Aromatic Polycarboxylic Acid Esters Patents (Class 560/3)
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Patent number: 8920656Abstract: The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.Type: GrantFiled: January 31, 2013Date of Patent: December 30, 2014Assignee: Soane Energy, LLCInventors: Kristoffer K. Stokes, Michael C. Berg, David S. Soane, Kevin T. Petersen, John H. Dise, Atul C. Thakrar, Rosa Casado Portilla
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Patent number: 8809451Abstract: According to the present invention, a polymer is obtained by polycondensation of a fluorinated dicarboxylic acid derivative of the general formula (M-1) or an acid anhydride of the fluorinated dicarboxylic acid with a polyfunctional compound having two to four reactive groups corresponding in reactivity to carbonyl moieties of the fluorinated dicarboxylic acid derivative or acid anhydride. [Chem. 134] AOCF2C-Q-CF2COA???(M-1) In the above formula, Q represents a divalent organic group having a substituted or unsubstituted aromatic ring; and A and A? each independently represent an organic group. This polymer exhibits a sufficiently low dielectric constant for use as a semiconductor protection film and has the capability of forming a film at a relatively low temperature of 250° C. or lower.Type: GrantFiled: February 18, 2010Date of Patent: August 19, 2014Assignee: Central Glass Company, LimitedInventors: Yoshimi Isono, Satoru Narizuka, Hidehisa Nanai, Kazuhiro Yamanaka
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Patent number: 8574607Abstract: Compounds of the formula (I) useful as pesticides are disclosed, wherein the substituents are as defined in claim 1.Type: GrantFiled: May 21, 2010Date of Patent: November 5, 2013Assignee: Syngenta Crop Protection, Inc.Inventors: Jürgen Harry Schaetzer, Thomas Pitterna, Long Lu, Yaming Wu, Peter Renold, Francesca Perruccio, Jérome Yves Cassayre, Michel Mueglebach
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Patent number: 8513454Abstract: The composition of a (phosphonyl) aromatic compound represented by is provided. In this composition, R1(a) and R1(b) are each independently H, CnH2n+1, phenyl or benzyl; R2(a) and R2(b) are each independently H, CnH2n+1, phenyl or benzyl with the proviso that no more than one R2(a) and no more than one R2(b) can be phenyl or benzyl; R3(a) and R3(b) are each independently CnH2n+1, phenyl or benzyl; and, n is an integer of 1-10; and p is an integer of 1-10. The disclosed composition can find utility in improving flame retardancy of polyesters, aramids and nylons.Type: GrantFiled: December 8, 2011Date of Patent: August 20, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Neville Everton Drysdale, Fredrik Nederberg
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Patent number: 8389456Abstract: The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.Type: GrantFiled: December 10, 2009Date of Patent: March 5, 2013Assignee: Soane Energy, LLCInventors: Kristoffer K. Stokes, Michael C. Berg, David Soane, Kevin T. Petersen, John H. Dise, Atul C. Thakrar, Rosa Casado
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Patent number: 8227383Abstract: The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.Type: GrantFiled: June 9, 2009Date of Patent: July 24, 2012Assignee: Soane Energy, LLCInventors: Kristoffer K. Stokes, Michael C. Berg, David Soane, Kevin T. Petersen, John H. Dise, Atul C. Thakrar
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Patent number: 7893189Abstract: The invention is directed to novel poly(ether-ester)polyols, processes for their production from monocarboxylic or polycarboxylic acid esters with one or more bound polyether chain(s). This invention also relates to the production of polyurethane materials in which the isocyanate-reactive component comprises these poly(ether-ester)polyols.Type: GrantFiled: February 4, 2010Date of Patent: February 22, 2011Assignee: Bayer MaterialScience AGInventors: Klaus Lorenz, Jorg Hofmann, Hartmut Nefzger
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Patent number: 7195879Abstract: The present invention provides methods to manipulate differentiation of a neuroblastoma cell line (IMR-32) such that predominant Nav expression is either Nav1.3 in IMR-32 cells exposed to retinoic acid or Nav1.7 in cells grown under non-differentiating conditions. The cells of the present invention are useful for the discovery of new compounds that modulate the function of either Nav1.3 and/or Nav1.7.Type: GrantFiled: April 12, 2002Date of Patent: March 27, 2007Assignee: Ortho-McNeil Pharmaceutical, Inc.Inventors: Adrienne Dubin, Sandra Chaplan, Sean Brown, Edward Kaftan
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Patent number: 6992225Abstract: The invention concerns a heat stabilizer of organic peroxides characterized in that it is an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring. The invention also concerns a storage-stable and heat-stable organic peroxide composition containing an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring, the method for preparing the same and uses thereof for modifying polymers.Type: GrantFiled: April 30, 2002Date of Patent: January 31, 2006Assignee: ArkemaInventors: Sandra Grimaldi, Olivier Guerret, Jean-Luc Couturier, Fabien Debaud
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Patent number: 6828368Abstract: Bis(cis-3,3,5-trimethylcyclohexyl) phthalate includes stereoisomers represented by following Formulae (1), (2) and (3) and satisfies the following conditions: wherein a, b and c are mole percentages of the stereoisomers represented by Formulae (1), (2) and (3), respectively. The bis(cis-3,3,5-trimethylcyclohexyl) phthalate can be obtained by allowing cis-3,3,5-trimethylcyclohexanol to react with phthalic acid or its reactive derivative and purifying the resulting mixture of stereoisomers, for example, by crystallization. The bis(cis-3,3,5-trimethylcyclohexyl) phthalate is useful for the preparation of a heat-sensitive tacky adhesive having excellent adhesive strength and blocking resistance.Type: GrantFiled: March 1, 2002Date of Patent: December 7, 2004Assignee: Daicel Chemical Industries, Ltd.Inventors: Ikuo Takahashi, Tomohiro Hashizume, Kazuhiro Nakanishi
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Patent number: 6291719Abstract: The present invention relates to a method of catalyzing etherification, esterification, hydration, ether cleavage, isomerization alkylation, or other reactions which are catalyzable with an acid or molecular sieve catalyst. Said reactions are conducted using a novel, dual functional catalyst prepared with active components and a small amount of binder, wherein said dual functional catalyst comprises cylindrical pellets which are molded such that a cross-section or each pellet has a window lattice shape with external teeth, or a star shape with inner spokes.Type: GrantFiled: August 29, 2000Date of Patent: September 18, 2001Assignees: China Petro-Chemical Corporation, Qilu Petro-Chemical Corporation SinopecInventors: Buliang Gao, Jinyong Zhang, Jinshan Wang, Xingren Hao, Zaiqun Yu, Wei Wang
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Patent number: 5654479Abstract: 4,4'-disubstituted bis(2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.Type: GrantFiled: July 15, 1996Date of Patent: August 5, 1997Assignee: BASF AktiengesellschaftInventors: Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges, Johann Swoboda, Manfred Genz, Guenter Scholz, Joachim Streu
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Patent number: 5621138Abstract: 4,4'-disubstituted bis-(2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.Type: GrantFiled: January 30, 1996Date of Patent: April 15, 1997Assignee: BASF AktiengesellschaftInventors: Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges, Johann Swoboda, Manfred Genz, Guenter Scholz, Joachim Streu
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Patent number: 5614648Abstract: A method of producing an antioxidant containing derivatives of an organic compound, and in particular, an antioxidant glyceride derivative, comprises reacting a first compound with a second medium. By this reaction, a product is formed whereby an active component of the first compound, e.g., an antioxidant moiety, is covalently incorporated into the second medium.The second medium comprises glyceride derivatives, silicones, fluorocarbons and alkoxylates containing reactive groups such as hydroxy, amino, carboxyl, ester, or amides.Type: GrantFiled: January 10, 1995Date of Patent: March 25, 1997Inventors: George H. Greene, Robert Miller, James L. Williams, James C. Phillips, Jerry F. Stults, Jan P. E. Tellings
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Patent number: 5532414Abstract: 4,4'-disubstituted bis-2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.Type: GrantFiled: September 24, 1993Date of Patent: July 2, 1996Assignee: BASF AktiengesellschaftInventors: Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges, Johann Swoboda, Manfred Genz, Guenter Scholz, Joachim Streu
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Patent number: 5488131Abstract: A method for synthesizing enantiomerically enriched chemical intermediates with predetermined chirality is described. The method comprises formation of a pseudoephedrine amide, followed by stereoselective alkylation at the alpha carbon. The chiral auxiliary can then be cleaved off, affording chiral end products useful for further transformations. The enantiomeric enrichment of the chiral end products may exceed 98%, and the chiral auxiliary can be recovered. Novel amides of pseudoephedrine used in this method are also disclosed.Type: GrantFiled: March 23, 1994Date of Patent: January 30, 1996Assignee: California Institute of TechnologyInventor: Andrew G. Myers
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Patent number: 5155244Abstract: A method of solubilizing a first compound in a second medium where the first compound has a limited solubility in the second medium. In particular, the method comprises reacting the first compound with the second medium. By this reaction, a product is formed whereby an active component of the first compound is covalently incorporated into the second medium.The first compound and second medium each contain at least one reactive group which will react with a reactive group of the other. In addition, the first compound comprises at least one antioxidant which will be covalently bonded to and thus effectively solubilized in the second medium by the reaction.The second medium comprises glyceride derivatives, silicones, fluorocarbons and alkoxylates containing reactive groups such as hydroxy, amino, carboxyl, ester, or amides.Type: GrantFiled: February 28, 1990Date of Patent: October 13, 1992Assignee: Karlshamns ABInventors: George H. Greene, James C. Phillips, Jerry F. Stults, Jan P. E. Tellings
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Patent number: 5138025Abstract: A method for stabilizing molten diesters of naphthalenedicarboxylic acids and stabilized naphthalenedicarboxylic acid diester compositions are disclosed.Type: GrantFiled: August 30, 1990Date of Patent: August 11, 1992Assignee: Amoco CorporationInventor: Allen B. Mossman
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Patent number: 4692544Abstract: Certain substituted diaryl amines are used to inhibit the polymerization of ethylenically unsaturated monomers; for example, unsaturated carboxylic acids and derivatives thereof.Type: GrantFiled: August 23, 1985Date of Patent: September 8, 1987Assignee: Sandoz Ltd.Inventors: Richard N. Goerner, J. Michael Hipp, Ruth H. Hipp
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Patent number: 4590009Abstract: Hydrazine is utilized for preventing side reactions during the preparation and storage of polyisocyanates partially blocked with hydroxy amines which are utilized for the introduction of basic functional groups into organic coating compositions which are deposited cathodically in an electrodeposition process. The inhibiting compound is used in the form of hydrazine hydrate at a level of from about 50 to 5000 ppm calculated on the amine used in the reaction.Type: GrantFiled: April 29, 1985Date of Patent: May 20, 1986Assignee: Vianova Kunstharz, A.G.Inventors: Georg Pampouchidis, Herbert Deu
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Patent number: 4111959Abstract: This disclosure describes novel 15,16-dioxy prostenoic acids and esters useful as bronchodilators, anti-inflammatory agents, hypotensives and gastric acid secretion inhibitors.Type: GrantFiled: February 11, 1977Date of Patent: September 5, 1978Assignee: American Cyanamid CompanyInventor: Martin Joseph Weiss
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Patent number: 4103090Abstract: Disclosed is the stabilization of thermally unstable, fresh dimethyl terephthalate of at least 99.8 weight % purity, free of alkali metal compound material, and produced by the cooxidation-esterification process. Stabilization is effected by incorporating therein a stabilizing quantity of alkali metal acetate material having no significant concentration of either phosphonic acid moiety or phosphite moiety.Type: GrantFiled: March 2, 1976Date of Patent: July 25, 1978Assignee: HercofinaInventor: Horace Edward Hood
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Patent number: 4093591Abstract: Phenolic age resistors such as 4-(3,5-ditertiary butyl-4-hydroxyphenyl)-2-butyl 2-methyl-4-thia-6-octanoyloxy-hexanoate are used as antioxidants in diene rubbers, such as butadiene-styrene types and in polyolefins, such as polypropylene.Type: GrantFiled: November 8, 1976Date of Patent: June 6, 1978Assignee: The Goodyear Tire & Rubber CompanyInventor: Richard H. Kline
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Patent number: 4058663Abstract: Disclosed is the stabilization of thermally unstable, fresh dimethyl terephthalate of at least 99.8 weight % purity, free of alkali metal compound material, and produced by the cooxidation-esterification process. Stabilization is effected by incorporating therein a stabilizing quantity of alkali metal compound material having no significant concentration of either phosphonic acid moiety or phosphite moiety.Type: GrantFiled: March 2, 1976Date of Patent: November 15, 1977Assignee: Hercules IncorporatedInventor: Donald Kirkbright Black