NIPPONKAYAKU KABUSHIKIKAISHA Patent applications |
Patent application number | Title | Published |
20140316160 | Catalyst For Methacrylic Acid Production And Process For Producing Methacrylic Acid - There is provided a hetero polyacid-based catalyst for methacrylic acid production, which is more excellent in performance, life and moisture absorption during storage, the catalyst being a catalyst for methacrylic acid production, wherein a proton is replaced so as to satisfy conditions of α=A+(B×C) and 0.5≦α≦1.4 when the atomic ratio of the alkali metal atom relative to | 10-23-2014 |
20130310604 | Process For Producing Unsaturated Aldehyde And/or Unsaturated Carboxylic Acid - There is provided a process for producing aerolein, acrylic acid, methacrolein, methacrylic acid in a safe and steady manner and in high yields, which avoids a phenomenon of occurrence of an abnormal reaction attributable to the fact that the temperature at a raw material gas outlet side becomes considerably higher than the temperature at a raw material gas inlet side, with regard to the temperature of a catalyst packed in a reaction tube at vapor-phase catalytic oxidation of propylene, isobutylene, or the like. | 11-21-2013 |
20130305952 | IGNITION POWDER COMPOSITION FOR IGNITER - An ignition powder composition for igniter of which friction sensitivity can be lowered with the required firing current sensitivity being achieved is provided as ignition powder for an igniter that is activated by an electrical signal. The ignition powder composition for igniter contains metal hydride (A); metal powder (B) that is one or more selected from the group consisting of tungsten powder, molybdenum powder, aluminum powder, titanium powder, and magnesium powder; and perchlorate (C). | 11-21-2013 |
20130217915 | Catalyst and Method for Producing Acrylic Acid - The present invention relates to a method for producing acrylic acid through vapor-phase contact oxidation of acrolein, wherein a reactor tube is divided into at least two catalyst layers, and catalysts having a higher activity are charged in the reactor tube sequentially toward an outlet port side from a material source gas inlet port side for a reaction therein to give acrylic acid, and wherein a catalyst activity-controlling method is a method comprising: a step of mixing a molybdenum-containing compound, a vanadium-containing compound, a copper-containing compound and an antimony-containing compound with water, then drying and calcining a resulting mixture, in which a catalytically-active element composition is kept constant but material source compounds are made to vary in type to give composite metal oxides having a different activity. | 08-22-2013 |
20120308944 | METHOD OF MANUFACTURING PERFORATED PIPE FOR GAS GENERATOR, AS WELL AS GAS GENERATOR - A method of manufacturing a perforated pipe for a gas generator, including a pipe-like member forming step of forming a closed-bottom pipe-like member from a plate-like member by press-forming using a rod-like member and a mold; and a hole punching step of inserting a die into the pipe-like member in place of the rod-like member, the die including one or more through holes in a direction intersecting an axial direction thereof, and punching through the pipe-like member formed in the pipe-like member forming step with a punching member aligned with a position of each through hole to form one or more pairs of opposed punch holes; wherein a distance between the paired punch holes is any value selected from 3 mm to 10 mm. | 12-06-2012 |
20120296011 | PHENOLIC COMPOUND, EPOXY RESIN, EPOXY RESIN COMPOSITION, PREPREG, AND CURED PRODUCT THEREOF - A phenolic compound which can be obtained by reacting the compound of the formula (1): | 11-22-2012 |
20120282427 | Ultraviolet-Curable Resin Composition For Optical Disc And Cured Product Thereof - The present invention relates to a multilayer optical disc having, as an intermediate layer, a cured product layer of an ultraviolet-curable resin composition containing an urethane (meth)acrylate (A) having one or two (meth)acrylate groups in one molecule obtained by reacting a monofunctional or bifunctional organic isocyanate (a) having a molecular weight of 350 or less with a mono(meth)acrylate (b) having a hydroxy group, a (meth)acrylate monomer (B) and a photopolymerization initiator (C), where the content of the (A) component is 5 to less than 40% by weight based on the total amount of the (A) component and the (B) component and the rest is (B), and to a resin composition for said cured product layer. Said resin composition has characteristics that it has a smaller variation in warp before and after curing the above-described resin composition when it is formed into the above-described intermediate layer, it is suitable for shaping a substrate by a 2P method because it allows good detachability of a stamper after curing, it is excellent in mass production of multilayer optical discs, and that the obtained optical disc therefrom has a smaller variation in warp before and after durability test under high temperature and high humidity. | 11-08-2012 |
20120180692 | GAS GENERATING AGENT COMPOSITION AND MOLDED PRODUCT THEROF AND GAS GENERATOR USING THE SAME - The present invention relates to a gas generating agent composition containing pentaerythritol, perchlorate and a water-soluble polymeric binder agent. The gas generating agent composition may provide a gas generating agent excellent in heat resistance and anti-hygroscopicity. A gas generator which is loaded with the gas generating agent composition is preferably applicable as a gas generator for activating vehicle safety devices installed on the exterior of the vehicle. This may improve the reliability of vehicle safety devices. | 07-19-2012 |
20120065427 | Process For Producing Catalyst For Methacrylic Acid Production And Process For Producing Methacrylic Acid - An object of the present invention is to provide a process for stably producing a catalyst for methacrylic acid production exhibiting high activity and high performance. The process for producing a catalyst for methacrylic acid production of the invention is characterized in that the water content of the catalyst ingredient powder for use in molding, temperature and humidity of a molding step, humidity and temperature of a baking step are individually controlled in the case where molding is performed by a coating method using an Mo—V—P—Cu-based hetero polyacid as an active ingredient and water or an alcohol and/or an aqueous solution of an alcohol as a binder. | 03-15-2012 |
20120031294 | GAS GENERATOR - Provided is a gas generator which is reduced in weight and size while maintaining a sufficient strength as a pressure vessel. A gas generator ( | 02-09-2012 |
20120000583 | Gas generant composition and molded article thereof, and gas generator using the molded article - The present invention relates to a gas generant composition that has a high ignitability and combustibility and is capable of quickly responding to an electrical signal for starting combustion, and particularly to a gas generant composition comprising a nitrogen-containing organic compound as a fuel component (A), a metal nitrate and/or a basic metal nitrate (B-1) and a perchlorate (B-2) having a 50 percent particle diameter from 1 to 50 μm as an oxidant component (B), the content of the perchlorate (B-2) in the total mass of the oxidant component (B) is 5 mass percent or more and less than 35 mass percent. | 01-05-2012 |
20110210535 | IGNITION SYSTEM, GAS GENERATING DEVICE FOR AIRBAG, AND GAS GENERATING DEVICE FOR SEATBELT PRETENSIONER - There is provided an ignition system which is capable of surely operating by electric energy stored in a capacitor for ignition while separating an igniter from electric circuits for communication and ignition without producing improper operation through static electricity and noise and is compact and excellent in the productivity. | 09-01-2011 |
20110052855 | Ultraviolet-Curable Resin Composition For Optical Disk, Cured Product And Optical Disk - The present invention relates to an ultraviolet-curable resin composition for an optical disk containing a sulfur-containing compound (A) represented by the following formula (1): | 03-03-2011 |
20100181748 | Squib, Gas Generation for Inflating Air Bag and Gas Generator for Seat Belt Pretensioner - A squib comprising a cup body, a cup body cover, and a header for holding a plurality of electrode pins insulated from one another and closing the opening portion of the cup body, wherein the internal of the cup body has an ignition powder, and a heating element connected to the electrode pins for igniting the ignition powder by externally applying electric current arranged in contact with the ignition powder, wherein a metal cylindrical or ring restraining member is provided in the outer periphery of the cup body and covered around with the cup body cover. | 07-22-2010 |
20100179353 | Modified Liquid Epoxy Resin as Well as Epoxy Resin Composition Using the Same and Cured Product Thereof - This invention provides a modified liquid epoxy resin having a low viscosity and a high performance, which is obtained by reacting a mixture of a bisphenol and a phenol aralkyl resin with an epiholohydrin. The bisphenol is preferable to be bisphenol F and is further preferable to have a bifunctional form purity as detected by gel permeation chromatography at UV 254 nm of not less than 95% by area in view of the fluidity. Moreover, the mixture of bisphenol and the phenol aralkyl resin is preferable to have a ratio of the phenol aralkyl resin of 10-70% by mass. | 07-15-2010 |
20100121020 | 3.3'-Diamino-5,5'-Diphenyl-4,4'-Biphenyldiol and Raw Material Thereof as Well as Polybenzoxazole - The invention provides 3,3′-diamino-5,5′-diphenyl-4,4′-biphenyldiol which is useful as a monomer for a high-performance polymer, particularly a polymer satisfying performances highly required in the semiconductor field such as polybenzoxazole, polyimide or the like and 3,3′-dinitro-5,5′-diphenyl-4,4′-biphenyldiol as a raw material thereof. Also, the invention provides a polybenzoxazole having a repeating unit represented by the following formula (1): | 05-13-2010 |
20100096169 | Polyamide Resin as Well as Epoxy Resin Composition Using the Same and Use Thereof - The invention provides a phenolic hydroxyl group-containing rubber-modified polyamide resin capable of providing a cured product with excellent heat resistance, adhesion properties, electrically insulating property and flame retardance and having a sufficient flexibility when being shaped into a film, which is characterized by having in its molecule (a) a phenolic hydroxyl group-containing aromatic polyamide segment represented by the following formula (1): | 04-22-2010 |
20100072736 | Ignition Element Mounting Capacitor, Header Assembly, Squib and Gas Generator for Air Bag and Gas Generator for Seat Belt Pretensioner - An ignition element mounting capacitor having an ignition element mounted on a capacitor, includes therein a first capacitor section and a second capacitor section, and first external terminal electrodes electrically connected to the first capacitor section and second external terminal electrodes electrically connected to the second capacitor section. The first capacitor section has a capacity for igniting ignition powder, and the second capacitor section has a function for removing noise which affects external circuits. Further, provided on the surface of the capacitor are third external terminal electrodes electrically connected to the ignition element. In this manner, the invention provides a squib enabling its size to be miniaturized and its quality to be improved, while keeping a high productivity, and hence provides a header assembly and a ignition element mounting capacitor as components of the squib and further provides a gas generator having such a squib installed therein for an air bag and a gas generator having the squib for a seat belt pretensioner. | 03-25-2010 |
20100066067 | Header Assembly, Squib and Gas Generator for Air Bag and Gas Generator for Seat Belt Pretensioner - A header assembly includes a header holding a plurality of electrode pins to be insulated from one another, an ignition element mounting capacitor having at the center of its outer circumferential surfaces external terminal electrodes for electrically connecting to an ignition element mounted on the capacitor, an IC having first, second, and third electrode pads to be electrically connected to end electrodes of the ignition element mounting capacitor and the external terminal electrodes and further having connection electrodes to be electrically connected to the electrode pins of the header for communication with the external. The IC is located on the header, and the ignition element mounting capacitor is located on the IC and electrically connected to the electrode pins through the connection electrodes provided on the IC. The invention provides a squib enabling a size to be minimal and quality to be improved, while maintaining high productivity, and hence provides the header assembly and the ignition element mounting capacitor as components of the squib, and further a gas generator with the squib installed therein for an air bag, and a gas generator having the squib installed therein for a seat belt pretensioner. | 03-18-2010 |
20100018431 | Squib, Gas Generator for Air Bag and Gas Generator for Seat Belt Pretensioner - A squib includes a cup body and a closure plug for holding a plurality of electrode pins insulated from one another and closing the opening of the cup body, and further includes, in the cup body, ignition powder and an ASIC component formed by molding a resin around electric circuits including an ASIC and a capacitor, a heating element connected to the ASIC and located at the top of the resin molding of the ASIC component, and connection electrodes located at the bottom of the resin molding for connecting the ASIC to the electrode pins. The squib includes a cylindrical metal fixture having at the center of its top an opening of a size sufficient to expose the heating element and being fixed to the closure plug in a state covering the top circumferential periphery and side surface of the ASIC component and pushing the connection electrode of the ASIC component against the electrode pins. With the squib thus constructed, electric current can be reliably supplied to the electric circuits incorporated in the squib, and upon operation of the squib the resin molding and its broken pieces are effectively prevented from flying in all directions. | 01-28-2010 |
20100013202 | Squib, Gas Generator for Air Bag and Gas Generator for Seat Belt Pretensioner - A squib includes an SCB chip connected to electrode pins so as to ignite by externally applied electric current, and a capacitor electrically connected to the electrode pins in parallel with a thin film resistor on the SCB chip. The capacitor is arranged above the header, and the SCB chip is directly mounted on the capacitor so that the thin film resistor on the SCB chip and the capacitor are electrically connected through electrodes provided on a substrate of the SCB chip, while the size of the SCB chip is smaller than that of the capacitor. In this way, the invention provides the squib which effectively eliminates surface unevenness when the capacitor is located, and enables the connection of the SCB chip and the capacitor to the electrode pins only by one reflow process, and further makes it possible to use an even smaller chip than those used in the prior art. | 01-21-2010 |
20090266265 | Ignition Device, Gas Generator for Air Bag and Gas Generator for Seat Belt Pretensioner - The invention provides an ignition device having a high shielding-performance from electro-magnetic wave noise and the like, while being compact in size and enabling electric current securely to flow through electric circuits built in the ignition device. The ignition device includes a metal cup and a metal header for holding a plurality of electrode pins respectively insulated and closing the opening of the cup to integrate the header in the cup, and further includes, in the cup, ignition charge, an ASIC, a capacitor, and a heating element. The ASIC is electrically connected to the electrode pins, the capacitor and the heating element, respectively, and the heating element abuts against the ignition charge. The header is provided on its outer periphery with a metal flange for fixing the header to an installation body of the ignition device. | 10-29-2009 |
20090200779 | Ignition Device, Method for Producing the Same, Gas Generator for Air Bag and Gas Generator for Seat Belt Pretensioner - The invention provides an ignition device which is produced without reducing its productivity, while being compact in size and enabling electric current securely to flow through electric circuits built in the ignition device. The ignition device includes a metal cup and a metal header for holding a plurality of electrode pins respectively insulated and closing the opening of the cup, and further includes, in the cup, ignition charge and an ASIC component. The ASIC component includes an ASIC and a capacitor both mounted on a substrate molded with a resin to form a resin mold, and the resin mold has at its top a heating element connected to the ASIC and further has at its bottom communication electrodes for connecting the ASIC to the electrode pins, so that the ASIC component thus constructed abuts against the header. The electrode pins and the communication electrodes are jointed to each other under pressure. | 08-13-2009 |
20090186760 | 1,1-BIS(4-HYDROXYPHENYL)-1-PHENYLETHANE AND THERMAL RECORDING MATERIAL FOR RECORDING THE SAME - This invention provides 1,1-bis(4-hydroxyphenyl)-1-phenylethane having a crystal form characterized by an X-ray diffraction pattern having one sharp and strong peak at 16.4° and three sharp peaks of intermediate intensity at each of 13°-16° and 17°-20.8° and at least three peaks of intermediate intensity at 22°-23° as a diffraction angle (2θ) in an X-ray diffractometry with Cu-K α-rays, and being capable of giving the storing stability of a colored image and a non-colored portion against heat, water or the like and the low-energy color-developing property suitable for high-speed color development. | 07-23-2009 |
20090159163 | Explosive Composition and Explosive Composition Shaped Body as Well as Method for Producing the Same - The invention provides an explosive composition obtained by milling a fuel component and an oxidizer component with an aqueous emulsion of a hydrophobic tackifier and drying them, which is high in the water resistance and good in the extrusion moldability and cleanability of a shaping machine and less in the production problem. Also, the explosive composition according to the invention is preferable to be applied as a shaped body to a gas generating agent, an autoignition agent, an enhancer agent or the like. Further, the explosive composition shaped body according to the invention is particularly preferable to be used for a gas generator actuating an automobile safety device. | 06-25-2009 |