Patent application number | Description | Published |
20080221221 | Application of 2-bromide-isovanillin for the manufacture of a medicament for anti-cancer or/and radiation/chemotherapy sensitization - Use of 2-bromo-isovanillin in the preparation of an anticancer medicament and/or radio- and chemotherapy sensitizing medicament is disclosed. The medicament for the treatment of cancers and/or for radio- and chemotherapy sensitization comprising 2-bromo-isovanillin as active ingredient provided herein has the following features: (1) low toxicity, without evident adverse effects; (2) significant therapeutic effect, with remarkable proliferation inhibiting and pro-apoptotic effects in tumor cells; (3) a broad-spectrum anticancer activity; (4) suitable to be used in combination with antimetabolites, to enhance the effects and meanwhile lower the toxicity, and also to reduce multi-drug resistance; (5) convenient and safe administration, the main route being oral. | 09-11-2008 |
20080293642 | C-Glycosylisoflavones Having Alkylaminoalkoxyl Substituent, Preparation and Use of the Same - The present invention relates to C-Glycosylisoflavones having alkylaminoalkoxyl substituent and pharmaceutically acceptable salts thereof, a process for the preparation thereof, pharmaceutical compositions comprising an effective amount of a compound of the formula (I), and to the use of these compounds or compositions for the treatment or prevention of cardio- and cerebrovascular diseases, in particular for the treatment of various cardiocerebral hypoxic-ischemic diseases, for the treatment or prevention of diabetes mellitus and complications thereof, and for the treatment or prevention of chemical poisoning, in particular alcoholism. | 11-27-2008 |
20100266536 | NEW TYPE OF CONSENSUS INTERFERON AND PREPARATION METHOD THEREOF - The invention relates to variants of consensus interferon protein with improved properties, such as improved anti-viral activity, and use thereof. The variants are also easier to renature after denaturant treatment. The invention also relates to the preparation method of the variants consensus interferon. | 10-21-2010 |
20100314289 | CATALYTIC CRACKING PROCESS FOR REDUCING SULFUR CONTENT IN GASOLINE AND THE DEVICE THEREOF - The invention relates to a catalytic cracking process for reducing sulfur content in gasoline and the device thereof, which includes a fluidized bed reactor in addition of a heavy oil catalytic cracking riser, characterized in enhancing contact time of oil-gas with the catalyst, further desulfurizing and reducing olefin content and increasing octane number in gasoline; regenerating all recycling catalysts, quality of products being stable and easily operated, reducing sulfur of gasoline to a maximum limit; adding a cooling device so as to avoid coking when the catalyst contacts with oil-gas in high temperature and decrease of yield of light oil resulted by excessively high reaction temperature of gasoline upgrading, improving products distribution, being flexible to change catalyst-oil ratio and reaction temperature of catalytic cracking reaction. The invention also provides an easily operated process for FCC desulfurization with stronger desulfurizing ability, good selectivity of products and high light oil yield, which can realize 40-80% of FCC gasoline desulfurization. Furthermore, more than 80% of FCC gasoline desulfurization can be achieved if the process is applied in combination with some particular catalysts. | 12-16-2010 |
20100324067 | TETRACYCLIC DIPYRANO-COUMARIN COMPOUNDS WITH ANTI-HIV AND ANTI-MYCOBACTERIUM TUBERCULOSIS ACTIVITIES - The present invention relates to tetracyclodipyrano-coumarin compounds of general formula (I), wherein the substituents are defined herein. These compounds exihibit dual biological activities of anti human immunodeficiency virus type 1 (HIV-1) infection and anti- | 12-23-2010 |
20110098362 | Application of 2-bromide-isovanillin for the manufacture of a medicament for anti-cancer or/and radiation/chemotherapy sensitization - Use of 2-bromo-isovanillin in the preparation of an anticancer medicament and/or radio- and chemotherapy sensitizing medicament is disclosed. The medicament for the treatment of cancers and/or for radio- and chemotherapy sensitization comprising 2-bromo-isovanillin as active ingredient provided herein has the following features: (1) low toxicity, without evident adverse effects; (2) significant therapeutic effect, with remarkable proliferation inhibiting and pro-apoptotic effects in tumor cells; (3) a broad-spectrum anticancer activity; (4) suitable to be used in combination with antimetabolites, to enhance the effects and meanwhile lower the toxicity, and also to reduce multi-drug resistance; (5) convenient and safe administration, the main route being oral. | 04-28-2011 |
20120077718 | COPOLYMER AND PREPARATION METHOD AND APPLICATION THEREOF - A copolymer and preparation method and application thereof are disclosed. The copolymer is random copolymer obtained from monomers consisting of acrylamide, acrylic acid, alkenyl sulfonate, 2-acrylamido-dodecyl sulfonate, p-styrene sulfonate or isoprene sulfonate and so on. The copolymer of present invention can be used as fluid loss additive and has good fluid loss properties, which would not make the drilling fluid thicken at high temperature of 200° C. and high salt conditions of saturated brine. It has a medium-pressure fluid loss after aging and rolling for 16 h at high temperature of 200° C., as measured in accordance with the American Petroleum Institute Standard Test at room temperature, and has good properties of high temperature-resisting and salt-resisting. | 03-29-2012 |
20120288477 | TYPE OF CONSENSUS INTERFERON AND PREPARATION METHOD THEREOF - The invention relates to variants of consensus interferon protein with improved properties, such as improved anti-viral activity, and use thereof The variants are also easier to renature after denaturant treatment. The invention also relates to the preparation method of the variants consensus interferon. | 11-15-2012 |
20130079256 | Filtration Control Agent And A Drilling Fluid Containing The Same - The present invention provides a filtration control agent and a drilling fluid containing the same. The filtration control agent comprises the product obtained from the reaction of water, lignite, aldehyde and sulfonate polymer at 180-220° C. and the units containing sulfonate groups in the molecular chains of sulfonate polymer are at least 30 wt %. The filtration control agent provided by the present invention features a good filtration loss reduction effect and a low viscosity effect and can improve the rheological behavior of the drilling fluid, thereby meeting the requirements of the drilling of deep wells, ultra-deep wells and ultra high pressure formations. | 03-28-2013 |
20130079257 | DISPERSANT AND A DRILLING FLUID CONTAINING THE SAME - The present invention provides a dispersant and a drilling fluid containing the dispersant. The dispersant comprises the product obtained from the reaction of water, lignin, phenol, sulfonating agent, telogen and catalyst at 140-220° C., preferably at 160-180° C.; the catalyst is one or more selected from the group consisting of sulfamic acid, p-toluenesulfonic acid and benzenesulfonic acid. The dispersant provided by the present invention not only can significantly lower the viscosity of the drilling fluid but also plays a role in reducing filtration loss. | 03-28-2013 |
20130176181 | ELECTRONIC DEVICES - Disclosed are electronic devices. The electronic device includes a metal component configured as an antenna arm, wherein a current delivery path for delivering high-frequency current is formed on the metal component so that the high-frequency current is delivered in accordance with a predetermined path along the current delivery path on the metal component. In this way, the delivery path of the high-frequency current on the antenna can be adjusted to satisfy requirement on antenna performance. | 07-11-2013 |
20140169683 | IMAGE RETRIEVAL METHOD, REAL-TIME DRAWING PROMPTING METHOD, AND DEVICES THEREOF - An image retrieval method is provided. The method includes detecting an outline of an image and obtaining an outline feature of the image, generating an index list in an image database according to the outline feature, and obtaining a sketch input by a user and retrieving images containing the sketch from the index list. The various embodiments of the present disclosure also provide an image retrieval device and a real-time drawing prompting method and device. The various embodiments of the present disclosure can rapidly and precisely retrieve image information based on contents, and the user can rapidly retrieve desired images by inputting a sketch. The real-time drawing prompting method and device can provide the limner with real-time guidance based on the retrieval of a sketch map. | 06-19-2014 |