Patent application number | Description | Published |
20100254892 | HYDROCARBON-DECOMPOSING CATALYST, PROCESS FOR DECOMPOSING HYDROCARBONS AND PROCESS FOR PRODUCING HYDROGEN USING THE CATALYST, AND POWER GENERATION SYSTEM - The present invention relates to a catalyst for decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms, comprising magnesium, aluminum, nickel and cobalt as constitutional elements, and further comprising ruthenium and/or palladium, wherein the metallic ruthenium and/or metallic palladium in the form of fine particles have an average particle diameter of 0.5 to 20 nm, and a content of the metallic ruthenium and/or metallic palladium is 0.05 to 5.0% by weight based on the weight of the catalyst. The catalyst of the present invention is capable of efficiently decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms (C | 10-07-2010 |
20100298133 | POROUS MOLDED PRODUCT AND PROCESS FOR PRODUCING THE SAME, CARRIER FOR CATALYSTS, AND CATALYST - The present invention aims at providing a porous molded product comprising magnesium and aluminum which is satisfactory in both of a specific surface area and mechanical properties, can be suitably used as filters, drying agents, adsorbents, purifying agents, deodorants, carriers for catalysts, etc., includes a large amount of micropores, and has a large specific surface area and a high strength, as well as a process for producing the porous molded product. The porous molded product of the present invention comprises at least magnesium and aluminum, and having a magnesium content of 10 to 50% by weight in terms of a magnesium atom, an aluminum content of 5 to 35% by weight in terms of an aluminum atom, a pore volume of 0.01 to 0.5 cm | 11-25-2010 |
20110038775 | HYDROCARBON-DECOMPOSING POROUS CATALYST BODY AND PROCESS FOR PRODUCING THE SAME, PROCESS FOR PRODUCING HYDROGEN-CONTAINING MIXED REFORMED GAS FROM HYDROCARBONS, AND FUEL CELL SYSTEM - The present invention aims at providing a catalyst as a porous catalyst body for decomposing hydrocarbons which comprises at least magnesium, aluminum and nickel, wherein the catalyst has an excellent catalytic activity for decomposition and removal of hydrocarbons, an excellent anti-sulfur poisoning property, an excellent anti-coking property even under a low-steam condition, a sufficient strength capable of withstanding crushing and breakage even when coking occurs within the catalyst, and an excellent durability. The above aim of the present invention can be achieved by a porous catalyst body for decomposing hydrocarbons which comprises at least magnesium, aluminum and nickel in such a manner that the magnesium and aluminum are present in the form of a composite oxide of magnesium and aluminum, and the nickel is present in the form of metallic nickel; and which porous catalyst body has a magnesium element content of 10 to 50% by weight, an aluminum element content of 5 to 35% by weight and a nickel element content of 0.1 to 30% by weight, a pore volume of 0.01 to 0.5 cm | 02-17-2011 |
20120201733 | HYDROCARBON-DECOMPOSING POROUS CATALYST BODY AND PROCESS FOR PRODUCING THE SAME, PROCESS FOR PRODUCING HYDROGEN-CONTAINING MIXED REFORMED GAS FROM HYDROCARBONS, AND FUEL CELL SYSTEM - The present invention relates to a porous catalyst body for decomposing hydrocarbons, comprising a porous composite oxide comprising at least magnesium and/or calcium, and aluminum, and metallic nickel having a particle diameter of 1 to 25 nm, wherein the porous catalyst body has an average crushing strength of not less than 5 kgf and a displacement length of not less than 0.05 mm as measured by compressing the porous catalyst body under a load of 5 kgf. The porous catalyst body for decomposing hydrocarbons according to the present invention is less expensive, and has an excellent catalytic activity for decomposition and removal of hydrocarbons, an excellent anti-sulfur poisoning property, a high anti-coking property even under a low-steam condition, a crushing strength and a displacement length which are optimum for DSS operation, and an excellent durability. | 08-09-2012 |
Patent application number | Description | Published |
20090069822 | TISSUE FASTENING TOOL, STENT, APPLICATOR FOR PLACING THE SAME, AND TISSUE FASTENING METHOD THROUGH NATURAL ORIFICE - The tissue fastening apparatus includes: a tissue fastening tool provided with a first tissue fixing section which is hooked onto a first biological tissue and a second tissue fixing section which is hooked onto a second biological tissue adjacent to the first biological tissue; a stent provided with a dilating portion having a diameter which increases from a front end to a rear end of the dilating portion, an indwelled portion which is connected the dilating portion, and a through hole which passes through the dilating portion and the indwelled portion in a longitudinal direction of the stent; and an applicator provided with a tubular puncturing tool in which the tissue fastening tool is inserted, a fastening tool pusher inserted into the puncturing tool to dispenses the tissue fastening tool inserted into the puncturing tool from a distal end of the puncturing tool, and a sheath into which the puncturing tool is inserted to shift the stent which is detachably disposed at the distal end of the sheath relative to the puncturing tool. | 03-12-2009 |
20100010508 | TISSUE FASTENING TOOL AND APPLICATOR FOR INDWELLING THE SAME WITHIN BODY, AND TISSUE FASTENING METHOD THROUGH NATURAL ORIFICE - A tissue fastening apparatus related to the present invention includes; a tissue fastening tool formed of a wire wound into a coil shape provided with a first tissue fixing section which is hooked onto a first biological tissue and a second tissue fixing section which is hooked onto a second biological tissue; a tubular puncturing tool which extends a tissue fastening tool and accommodates the stretched tissue fastening tool inside of the puncturing tool; a fastening tool pusher in which the distal end thereof is inserted into the puncturing tool and dispenses the tissue fastening tool inserted into the puncturing tool from a distal end of the puncturing tool when the fastening tool pusher advances; and a rotating mechanism to rotate the puncturing tool when the fastening tool pusher advances. | 01-14-2010 |
20100010509 | TISSUE FASTENING APPARATUS - A tissue fastening apparatus includes a tissue fastening tool, with fastens a first biological tissue and a second biological tissue so as to bring the tissues into close contact and an applicator for indwelling the tissue fastening tool. The tissue fastening tool is made of an elastic wire rod and is wound in a coil shape. The applicator includes a needle tube accommodated in an inner cavity with the tissue fastening tool stretched, a stylet inserted into the inner cavity of the needle tube nearer to the proximal side than the tissue fastening tool, and a rotating mechanism that rotates the stylet around an axis when the stylet is moved toward a distal end of the needle tube. The tissue fastening tool and the stylet are disengageably engaged with each other and integrally and rotatably connected with each other. The rotating mechanism rotates the stylet in a direction opposite to the winding direction of the tissue fastening tool as seen from the proximal side. | 01-14-2010 |
20100010514 | TISSUE FASTENING TOOL - A tissue fastening instrument that fastens a first biological tissue and a second biological tissue that is adjacent to the first biological tissue so as to come into close contact, provided with a first tissue fixing portion that consists of an elastic wire that is wound into a coil shape and engaged on the first biological tissue; a second tissue fixing portion that consists of an elastic wire that is wound into a coil shape, is connected to a first end portion of the first tissue fixing portion and engaged on the second biological tissue; and a peripheral spring portion that is connected to a second end portion of the first tissue fixing portion and extends toward the second tissue fixing portion while forming a loop on the outside of the first tissue fixing portion and the second tissue fixing portion, in which the peripheral spring portion has a spring portion that is connected to the second end portion of the first tissue fixing portion and extends toward the second tissue fixing portion, and an end turn portion that is connected to the spring portion and forms, on the outside of the spring portion, a loop that is approximately parallel with a base loop that the first tissue fixing portion and the second tissue fixing portion form; and the base loop, the loop that the spring portion forms, and the loop that the end turn portion forms are disposed so as not to mutually overlap in the diameter direction of the base loop. | 01-14-2010 |
20100010520 | TISSUE FASTENER - This tissue fastening apparatus is a tissue fastener for clamping first biological tissue and second biological tissue so as to be in close contact with each other, including: a first tissue fixation portion, made of an elastic wire wound in a coil, that is locked on the first biological tissue; and a second tissue fixation portion, made of an elastic wire wound in a coil, that is locked on the second biological tissue, the second tissue fixation portion continuing into the first tissue fixation portion, in which when falling off first and second biological tissue necrotized by being clamped between the first tissue fixation portion and the second tissue fixation portion, the tissue fastener moves only from the second tissue fixation portion to the first tissue fixation portion side and falls off. | 01-14-2010 |
20100113873 | SUTURING DEVICE AND SUTURING SYSTEM - A suturing device for suturing tissues by using a suturing unit having an anchor mounted to an end portion of a suturing thread is provided, the suturing device including: a pair of first and second jaws which are opened or closed so as to grip the tissue; a hollow needle tube which receives the anchor in an inner cavity thereof; and a pusher which is inserted through the needle tube in a freely advancing and retracting manner and is capable of pushing the anchor received in the needle tube toward a distal end of the needle tube, in which the needle tube is disposed so as to intersect the first jaw and to allow the distal end thereof to face the second jaw, and in which, when the tissue is gripped by the first and second jaws, the needle tube is inserted into the tissue. | 05-06-2010 |
20100244292 | PROCESS AND APPARATUS FOR PRODUCING GAS HYDRATE PELLET - Provided is a process and an apparatus for producing at low cost gas hydrate pellets having an excellent storability. A gas hydrate generated from a raw-material gas and raw-material water is dewatered and simultaneously molded into pellets with compression-molding means under conditions suitable for generating the gas hydrate while the gas hydrate is generated from the raw-material gas and the raw-material water that exist among particles of the gas hydrate. | 09-30-2010 |
20120029278 | Implant placement device, coupling support, and endoscopic treatment tool - An implant placement device includes a sheath; a long-axis member having an opening on a distal end side, movable along an axis, and a lumen communicating with the opening; a stylet movable in the axis and provided within the lumen to be turnable around the axis; an operating part on a proximal end side of the stylet to turn the stylet around the axis; a guide part on the proximal end side of the sheath to guide the operating part in a predetermined direction, thereby moving the sheath in the axis with respect to the stylet and turning a distal end portion of the stylet around the axis; and a coupling portion formed at the distal end of the stylet, detachably coupled with an implant, and moving in the axis and turning around the axis along with the stylet and the implant according to an operation of the operating part. | 02-02-2012 |
20120037833 | VALVE FOR POWDER - A powder valve is propose which is simple in structure and small in size, which can prevent powder from getting stuck in the valve, and can withstand high feed pressure. The valve includes a valve casing | 02-16-2012 |
20120172896 | TISSUE FASTENING METHOD - A tissue fastening apparatus related to the present invention includes; a tissue fastening tool formed of a wire wound into a coil shape provided with a first tissue fixing section which is hooked onto a first biological tissue and a second tissue fixing section which is hooked onto a second biological tissue; a tubular puncturing tool which extends a tissue fastening tool and accommodates the stretched tissue fastening tool inside of the puncturing tool; a fastening tool pusher in which the distal end thereof is inserted into the puncturing tool and dispenses the tissue fastening tool inserted into the puncturing tool from a distal end of the puncturing tool when the fastening tool pusher advances; and a rotating mechanism to rotate the puncturing tool when the fastening tool pusher advances. | 07-05-2012 |
20120215236 | Tissue fastner production method and tissue fastener - A tissue fastener production method of clamping two living tissues together by bringing the two living tissues into close contact includes the following steps: fixing one end of a wire material made of a metal to a shaft body, and winding the wire material around an outer periphery of the shaft body while twisting the wire material round an axis of the wire material, thereby forming a coil on which a predetermined force is exerted in the winding direction; heat treating the wire material to impart superelasticity thereto; and deforming the wire material to which the superelasticity is imparted in a range in which the wire material is elastically deformable, and reversing the winding direction of the coil in a direction reverse to the winding direction of the coil wound in the step of forming the coil so as to obtain an initial tension corresponding to the predetermined force. | 08-23-2012 |
20120285083 | PROCESS AND APPARATUS FOR PRODUCING GAS HYDRATE PELLET - Provided is a process and an apparatus for producing at low cost gas hydrate pellets having an excellent storability. A gas hydrate generated from a raw-material gas and raw-material water is dewatered and simultaneously molded into pellets with compression-molding means under conditions suitable for generating the gas hydrate while the gas hydrate is generated from the raw-material gas and the raw-material water that exist among particles of the gas hydrate. | 11-15-2012 |
20130023904 | Suturing method - A suturing method includes inserting an endoscope having a pressing part attached to a distal end thereof into a body cavity, and moving the endoscope to a near side of tissue; inserting a suturing instrument having a suturing unit mounted thereon into a channel of the endoscope, and projecting a distal part from the distal end of the endoscope; moving the anchor holder having the plurality of anchors accommodated therein to a back side opposite to the near side of the tissue; and inserting the distal end of the anchor holder into the tissue from the back side opposite to the near side while the tissue is pressed by the pressing part from the near side, and ejecting at least one of the plurality of anchors from the anchor holder which is attached to ends of a suture thread in the suturing unit. | 01-24-2013 |
20130172913 | SUTURE THREAD PUSHING APPARATUS AND SUTURE THREAD PUSHING SYSTEM - This suture thread pushing apparatus moves a connection portion formed by one end portion and the other end portion of a suture thread used for suturing tissue within a body, which are guided to an outside of the body via a natural orifice, to a sutured portion of the tissue, and includes a flexible outer cylinder, and a flexible shaft member inserted into the outer cylinder so as to advance and retreat, wherein a pair of side holes facing each other is formed in a distal side of the outer cylinder such that the suture thread passes through the side holes, an engaging portion extending in an axial direction of the outer cylinder is formed in an inner surface on the distal side, and an engaged portion engaging with the engaging portion and sliding along the engaging portion is formed on an outer surface of the shaft member. | 07-04-2013 |
20140058419 | METHOD OF FORMING THROUGH HOLE - This tissue fastening apparatus is a tissue fastener for clamping first biological tissue and second biological tissue so as to be in close contact with each other, including: a first tissue fixation portion, made of an elastic wire wound in a coil, that is locked on the first biological tissue; and a second tissue fixation portion, made of an elastic wire wound in a coil, that is locked on the second biological tissue, the second tissue fixation portion continuing into the first tissue fixation portion, in which when falling off first and second biological tissue necrotized by being clamped between the first tissue fixation portion and the second tissue fixation portion, the tissue fastener moves only from the second tissue fixation portion to the first tissue fixation portion side and falls off. | 02-27-2014 |
20140081326 | THREAD-FIXING TOOL - A thread-fixing tool includes a first member in which a lumen opened at an end surface through which a suture thread is inserted, and a communication path having a first end opened at the end surface and a second end in communication with an intermediate portion of the lumen are formed, and a second member having a shaft portion inserted into the communication path of the first member, and a pressing portion which is formed at a distal portion of the shaft portion and which is capable of deforming outwardly in a radial direction of the shaft portion, wherein the pressing portion is guided to the intermediate portion of the lumen through the communication path, and deformed in a direction crossing an insertion direction of the suture thread to push the suture thread against an inner wall of the lumen. | 03-20-2014 |
20140350581 | TISSUE FASTNER PRODUCTION METHOD AND TISSUE FASTENER - A tissue fastener production method of clamping two living tissues together by bringing the two living tissues into close contact includes the following steps: fixing one end of a wire material made of a metal to a shaft body, and winding the wire material around an outer periphery of the shaft body while twisting the wire material round an axis of the wire material, thereby forming a coil on which a predetermined force is exerted in the winding direction; heat treating the wire material to impart superelasticity thereto; and deforming the wire material to which the superelasticity is imparted in a range in which the wire material is elastically deformable, and reversing the winding direction of the coil in a direction reverse to the winding direction of the coil wound in the step of forming the coil so as to obtain an initial tension corresponding to the predetermined force. | 11-27-2014 |
20150057704 | CLOSURE DEVICE - A closure device includes a protruding member that is detachably provided at a distal end of a longitudinal member; a pair of grasping members that are turnable with respect to the protruding member; first and second linear members that are connected to the pair of grasping members; and a holding portion that has an action portion for applying a force in a direction in which the pair of grasping members approach the protruding member and is detachably provided at a distal end of the longitudinal member. | 02-26-2015 |