With Phosphorus-containing Reactant Patents (Class 527/310)
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Patent number: 8609081Abstract: The present invention relates to novel compositions of therapeutic cyclodextrin containing polymeric compounds designed as a carrier for small molecule therapeutics delivery and pharmaceutical compositions thereof. These cyclodextrin-containing polymers improve drug stability and solubility, and reduce toxicity of the small molecule therapeutic when used in vivo. Furthermore, by selecting from a variety of linker groups and targeting ligands the polymers present methods for controlled delivery of the therapeutic agents. The invention also relates to methods of treating subjects with the therapeutic compositions described herein. The invention further relates to methods for conducting pharmaceutical business comprising manufacturing, licensing, or distributing kits containing or relating to the polymeric compounds described herein.Type: GrantFiled: January 11, 2013Date of Patent: December 17, 2013Assignee: Cerulean Pharma Inc.Inventors: Jianjun Cheng, Mark E. Davis, Kay T. Khin
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Patent number: 8574881Abstract: The present invention provides dyes, reactive dyes and labeled reagents that may be used in the detection or quantification of desirable target molecules, such as proteins and nucleic acids. Dyes are provided that may be used free in solution where the binding of the dye to the target molecule provides signal generation. Dyes are also provided that comprise reactive groups that may be used to attach the dyes to probes that will bind to desirable target molecules. The novel dyes of the present invention have been modified by the addition of charged and polar groups to provide beneficial properties.Type: GrantFiled: June 17, 2009Date of Patent: November 5, 2013Assignee: Enzo Life Sciences, Inc.Inventors: Praveen Pande, Yuejun Xiang, Elazar Rabbani
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Publication number: 20130261194Abstract: A polyphosphazene polymer which includes hydrophilic side groups and interacting side groups which are capable of bonding with a biological agent of interest. The bonding may be by non-covalent bonding.Type: ApplicationFiled: March 7, 2013Publication date: October 3, 2013Inventor: Alexander K. Andrianov
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Patent number: 8268953Abstract: A process for the preparation of a polycarbonate containing a plant-derived component excellent in hue by using a plant-derived anhydrosugar alcohol represented by the following formula (1) or a composition thereof as a raw material: wherein R1 to R4 each independently represent a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group and an aryl group.Type: GrantFiled: September 30, 2008Date of Patent: September 18, 2012Assignee: Teijin LimitedInventors: Akimichi Oda, Eiichi Kitazono, Ryuji Nonokawa, Takanori Miyoshi
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Publication number: 20120121533Abstract: The present invention is directed to nucleic acid ligands to LL37, methods for producing said nucleic acid ligands, and methods for utilizing said nucleic acid ligands. In one exemplary embodiment, for example, this invention relates to nucleic acid ligands exhibiting high specific binding affinity to LL37 peptides, precursors and/or portions thereof. Further, the nucleic acid ligands may bind competitively with native ligands of LL37 and may also inhibit and/or interfere with LL37 function, such as by binding to LL37.Type: ApplicationFiled: November 14, 2011Publication date: May 17, 2012Applicant: BIOTEX, INC.Inventor: George W. Jackson
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Publication number: 20120040430Abstract: The present invention provides dyes, reactive dyes and labeled reagents that may be used in the detection or quantification of desirable target molecules, such as proteins and nucleic acids. Dyes are provided that may be used free in solution where the binding of the dye to the target molecule provides signal generation. Dyes are also provided that comprise reactive groups that may be used to attach the dyes to probes that will bind to desirable target molecules. The novel dyes of the present invention have been modified by the addition of charged and polar groups to provide beneficial properties.Type: ApplicationFiled: June 17, 2009Publication date: February 16, 2012Applicant: ENZO LIFE SCIENCES, INC. C/O ENZO BIOCHEM, INC.Inventors: Yuejun Xiang, Praveen Pande, Rajesh Khazanchi, Elazar Rabbani, Dakai Liu, Wei Cheng
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Patent number: 8017722Abstract: A process for production of a plant-derived component-containing polycarbonate represented by the following formula (3): (wherein R1-R4 each independently represent a group selected from among hydrogen, alkyl, cycloalkyl and aryl, and n is the number of repeating units), by melt polycondensation using as the starting materials a specified diol, having a total content of Na, Fe and Ca of no greater than 2 ppm and a purity analysis value of at least 99.7% by gas chromatography, and a specified carbonic acid diester, having a total content of Na, Fe and Ca of no greater than 2 ppm and a purity analysis value of at least 99.7% by gas chromatography.Type: GrantFiled: May 14, 2008Date of Patent: September 13, 2011Assignee: Teijin LimitedInventors: Akimichi Oda, Eiichi Kitazono, Toshiyuki Miyake, Masami Kinoshita, Mizuho Saito
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Publication number: 20110137004Abstract: A method of grafting galactomannan-type polysaccharide polymers, preferably guar, to a functional group by irradiation with high energy electron beams in the presence of an unsaturated monomer-compressing the described functional group. The method may include the depolymerization of the grafted polymer to a pre-selected low molecular weight. The preferred galactomannans for treatment according to this method are guar gum, guar splits and hydroxypropyl guar. In a preferred embodiment the guar gum is also depolymerized, preferably to a molecular weight of below about 700,00 Daltons, and most preferably to a molecular weight of between about 100,00 Daltons to about 250,00 Daltons. The depolymerized guar most preferably has a polydispersity of less than about 3.0 and is useful in oil well fracturing to enhance oil production.Type: ApplicationFiled: November 22, 2010Publication date: June 9, 2011Applicant: RHODIA, INC.Inventors: Leo Zhaoqing LIU, Christian PRIOU
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Publication number: 20100298525Abstract: A polyphosphazene polymer which includes hydrophilic side groups and interacting side groups which are capable of bonding with a biological agent of interest. The bonding may be by non-covalent bonding.Type: ApplicationFiled: April 26, 2010Publication date: November 25, 2010Inventor: Alexander K. Andrianov
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Publication number: 20100216914Abstract: A process for the preparation of a polycarbonate containing a plant-derived component excellent in hue by using a plant-derived anhydrosugar alcohol represented by the following formula (1) or a composition thereof as a raw material: wherein R1 to R4 each independently represent a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group and an aryl group.Type: ApplicationFiled: September 30, 2008Publication date: August 26, 2010Applicant: Teijin LimitedInventors: Akimichi Oda, Eiichi Kitazono, Ryuji Nonokawa, Takanori Miyoshi
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Patent number: 7741424Abstract: The present invention is directed to a phosphoric ester of 2,3-dihydroxypropyl cellulose or 3-(2,3-dihydroxypropoxy)-2-hydroxypropyl cellulose, the cellulose having optionally undergone partial carbamidation, and to a metal absorbent employing the ester, and to a metal-absorbing apparatus employing the metal adsorbent. The cellulose derivative phosphoric ester serves as a metal adsorbent which exhibits high metal adsorption performance and metal adsorption rate per unit weight; has high mechanical strength; effectively soften water or a similar liquid; removes heavy metals from wastewater or a similar liquid at remarkably high efficiency; has excellent processability and can be formed into a variety of shapes and thus is applicable within a wide range; and can readily be reutilized.Type: GrantFiled: September 26, 2005Date of Patent: June 22, 2010Assignee: Kowa Co., Ltd.Inventors: Ming Lu, Katsumi Yabusaki
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Publication number: 20080139746Abstract: Copolymers are manufactured to include a zwitterionic monomer (e.g., methacryloyloxyethyl phosphorylcholine monomer), a dihydroxyphenyl derivatized monomer, and optionally one or more additional monomers. The dihydroxyphenyl derivatized monomer gives the copolymers excellent adhesion properties. Optional monomers include a cationic amino monomer, a hydrocarbon monomer, and/or a hydrophilic monomer. The copolymers are biocompatible and can be used with medical devices.Type: ApplicationFiled: November 19, 2007Publication date: June 12, 2008Applicant: ABBOTT LABORATORIESInventor: Stephen Pacetti
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Patent number: 6997960Abstract: A first fiber treatment comprising a functional protein prepared by treating proteins such as collagen with a cross-linking agent and a solvent-base resin; a second one comprising the above functional protein and a water-base resin; a third one comprising a water-soluble organic substance having an average molecular weight of 100 to 20000 and a reactive modifier; a fourth one comprising the above functional protein and a reactive modifier; and products such as fibers and textile goods treated with one of the treatments.Type: GrantFiled: April 18, 1997Date of Patent: February 14, 2006Assignee: Idemitsu Kosan Co., Ltd.Inventors: Masahiro Sano, Takaharu Yasue, Fumioki Fukatsu
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Patent number: 6316505Abstract: Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C11H23—CONHC2H4NHCO—C8F16—CONHC2H4NHCOO—(C2H4O)34—H.Type: GrantFiled: August 5, 1999Date of Patent: November 13, 2001Assignee: Supratek Pharma, Inc.Inventors: Alexander V. Kabanov, Serguei V. Vinogradov
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Patent number: 6255427Abstract: An amphoteric polymer dispersion obtained in the presence of at least one of starch or a starch derivative by a two-stage polymerization using anionic and cationic monomers is useful as a sizing agent for paper products, as a coating for various substrates, and as a binder in pigment-free coatings or pigment-containing coatings. The dispersion is exceptionally compatible with widely differing sizing agent systems and coating chemicals.Type: GrantFiled: January 13, 1999Date of Patent: July 3, 2001Assignee: Giulini Chemie GmbHInventors: Reiner Exner, Hasen Ulubay, Karl Hetterich
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Patent number: 5925722Abstract: A process for producing an amphoteric aqueous polymer dispersion by two-step radical copolymerization includes (a) decomposing a starch by treatment with an enzyme or acid hydrolysis to provide a starch solution composed of decomposed starch and/or derivatives thereof having an average molecular weight ranging from 500 to 2000 g/mole and with the starch solution having an internal viscosity<0.Type: GrantFiled: November 25, 1996Date of Patent: July 20, 1999Assignee: Giulini Chemie GmbHInventors: Reiner Exner, Hasan Ulubay, Karl Hetterich
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Patent number: 5840881Abstract: A composition is disclosed comprising a water-insoluble or slightly water-soluble compound and a branched cyclodextrin-carboxylic acid. The branched cyclodextrin-carboxylic acid significantly increases the water-solubility of the compound. Also disclosed is a method of enhancing water-solubility of the compound.Type: GrantFiled: May 8, 1995Date of Patent: November 24, 1998Assignee: Takeda Chemical Industries, Ltd.Inventors: Yoshiaki Uda, Takako Yamauchi, Yasushi Nakagawa, Toshihiro Ishiguro, Masahide Oka, Takamasa Yamaguchi, Ikuo Nogami
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Patent number: 5583193Abstract: A process for preparing a modified polysaccharide graft copolymer complex which comprises the steps of:i. subjecting polysaccharide to graft copolymerization with a vinyl monomer;ii. treating the polysaccharide graft copolymer with:a. polyethylene glycol to provide a polymer-PEG complex; orb. a silicate compound to provide a silica precipitated polymer; andiii. recovering the polymer-PEG complex or silica precipitated polymer.This modified polysaccharide graft copolymer may be used as a surface sizing agent in the preparation of paper.Type: GrantFiled: May 26, 1995Date of Patent: December 10, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: Perincheery Aravindakshan, Velayudhan N. G. Kumar
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Patent number: 5434233Abstract: Polymers of glucaric or xylaric acid with diprimary amines containing at least one heteroatom in the main chain form films when cast from aqueous solution and show adhesive properties. Unexpectedly, analogous polymers prepared using galactaric acid, an isomer of glucaric acid, do not form satisfactory films when cast from aqueous solution and exhibit poor or no adhesive properties. Copoly(aldaramides) comprising galactaric acid residues and either glucaric acid or xylaric acid residues, when prepared by reacting an equivalent weight of an activated galactarate with a product formed by reaction of two equivalents of a diprimary heterohydrocarbylenediamine with one equivalent of either an activated xylarate or glucarate also afford film-forming polymers which exhibit adhesive properties.Type: GrantFiled: May 24, 1994Date of Patent: July 18, 1995Inventors: Donald E. Kiely, Liang Chen, David W. Morton
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Patent number: 5367068Abstract: The present invention relates to a method for treating, and in particular for abrading surfaces, utilizing glass-like polysaccharide grits. The invention also extends to novel glass-like polysaccharide products, especially starches, and to processes for the production thereof. Additionally, there is disclosed cross-linked polysaccharide materials and glass-like starches having a substantially occluded water component. Combinations of these various polysaccharide grits and other abrasive grit materials are also disclosed.Type: GrantFiled: November 25, 1992Date of Patent: November 22, 1994Assignee: ADM Agri-Industries, Ltd.Inventors: Christopher C. Lane, Ruben P. Lenz, Costa Athanassoulias
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Patent number: 5360903Abstract: The present invention relates to a method for treating, and in particular for abrading surfaces, utilizing glass-like polysaccharide grits. The invention also extends to novel glass-like polysaccharide products, especially starches, and to processes for the production thereof. Additionally, there is disclosed cross-linked polysaccharide materials and glass-like starches having a substantially occluded water component. Combinations of these various polysaccharide grits and other abrasive grit materials are also disclosed.Type: GrantFiled: November 25, 1992Date of Patent: November 1, 1994Assignee: ADM Agri-Industries, Ltd.Inventors: Christopher C. Lane, Ruben P. Lenz, Costa Athanassoulias
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Patent number: 5304620Abstract: The present invention provides a method of treating of subterranean formation using a gel of a graft copolymer of a hydroxyalkyl cellulose, guar or hydroxypropyl guar prepared by a redox reaction with vinyl phosphonic acid. The gel is formed by hydrating the graft copolymer in an aqueous liquid containing at least a trace amount of at least one divalent cation. The gel is crosslinked by the addition of a Lewis base or Bronsted-Lowry base, which is substantially free of polyvalent metal ions, to the gel in an amount sufficient to effect crosslinking of the graft copolymer.Type: GrantFiled: June 16, 1993Date of Patent: April 19, 1994Assignee: Halliburton CompanyInventors: Marlin D. Holtmyer, Charles V. Hunt, Mary A. H. Laramay, Alireza B. Rahimi, Murray G. Clark
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Patent number: 5045593Abstract: Organophilic polymer adducts which are effective fluid loss control additives for oil base well-working fluids are prepared from an anionic or cationic water soluble polymer and one or more phosphatides. Preferred phosphatides are phosphoglycerides obtained from vegetable oils, most preferably commercial lecithin. Preferred polymers comprise polysaccharides or derivatives thereof and synthetic polymers.Type: GrantFiled: July 2, 1990Date of Patent: September 3, 1991Assignee: Venture Chemicals, Inc.Inventors: Jack C. Cowan, Roy F. House, Victor M. Granquist
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Patent number: 4535152Abstract: The invention relates to water soluble cyclodextrin polymers substituted by ionic groups, containing structural units of formula (I) ##STR1##Type: GrantFiled: February 14, 1984Date of Patent: August 13, 1985Assignee: Chinoin, Gyogyszer Es Vegyeszeti Termekek Gyara Rt.Inventors: Jozsef Szejtli, Eva Fenyvesi, Bela Zsadon, Maria Szilasi, Lajos Decsei