Aromatic Alcohol Moiety Patents (Class 560/85)
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Patent number: 4612386Abstract: Carboxylic acid esters are produced by the reaction of a carboxylic acid halide with a carbonate ester in the presence of an initiator. The reaction of a dicarboxylic acid dihalide and a bis(alkyl carbonate) ester produces a polymeric polyester.Type: GrantFiled: December 17, 1981Date of Patent: September 16, 1986Assignee: The Dow Chemical CompanyInventor: James M. Renga
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Patent number: 4585889Abstract: The present invention provides a process for the preparation of monoesters of dicarboxylic acids by the carbonylation of carboxyphenyl-triarylphosphonium salts. The carboxyphenyl-triarylphosphonium salts are reacted with carbon monoxide and an alcohol in a base reaction medium having a pK.sub.b greater than about 8.Type: GrantFiled: January 28, 1985Date of Patent: April 29, 1986Assignee: Eastman Kodak CompanyInventors: Carl M. Lentz, James R. Overton, David D. Cornell
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Patent number: 4551264Abstract: New polyhalogenoaromatic compounds of Formula I ##STR1## wherein Y and Z are each independently alkyl, alkoxy or alkanoyl each of 1 to 12 C atoms, --COOR.sup.1, --O--CO--R.sup.1, CN, NO.sub.2, NH.sub.2 or OH;Q is one or two identical or different radicals selected from Ph, Cy, 1,4-bicyclo[2,2,2]octylene or 1,3-dioxane-2,5-diyl;X.sup.1 to X.sup.4 are each independently H, F, Cl or Br;R.sup.1 is alkyl of 1 to 4 C atoms, Ph--R.sup.2 or Cy--R.sup.2 ;R.sup.2 is alkyl or alkoxy each of 1-12 C atoms or CN;Ph is 1,4-phenylene; and Cy is 1,4-cyclohexylene,can be used as components of liquid-crystal dielectrics.Type: GrantFiled: March 14, 1983Date of Patent: November 5, 1985Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Rudolf Eidenschink, Michael Romer, Georg Weber
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Patent number: 4546155Abstract: A latent curing agent for epoxy resin, characterized in that the latent curing agent is an adduct obtained by reacting (a) a polyfunctional epoxy compound, (b) a compound having at least one OH, NH.sub.2, NH or SH group together with a tertiary amino group in the molecule and (c) a carboxylic acid anhydride is a good curing agent for epoxy resins. The present curing agent is useful in formulating storable, one-package, heat-curable epoxy resin-based compositions.Type: GrantFiled: September 26, 1984Date of Patent: October 8, 1985Assignee: Ajinomoto Co., Inc.Inventors: Takeshi Hirose, Nobuo Ito, Kiyomiki Hirai, Koji Takeuchi
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Patent number: 4482733Abstract: An improved process for preparing diaryl esters of dicarboxylic acids is disclosed, in which the esterification reaction is optimized by gradually increasing the temperature at which the reaction is being conducted according to a predetermined pattern. The temperature increase should be a function of the degree of esterification. The diaryl esters so prepared are useful in making linear polyesters.Type: GrantFiled: September 24, 1982Date of Patent: November 13, 1984Assignee: Occidental Chemical CorporationInventor: Gautam R. Ranade
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Patent number: 4482732Abstract: An improved process for preparing diaryl esters of dicarboxylic acids is disclosed, in which the esterification reaction is optimized by removing water and other by-products of the reaction according to a predetermined pattern. The removal of water and other by-products of the esterification reaction is most easily carried out by a distillation means, and the rate of removal is controlled by varying the reflux ratio in the distillation means during the course of the esterification reaction. The diaryl esters so prepared are useful in making linear polyesters.Type: GrantFiled: September 24, 1982Date of Patent: November 13, 1984Assignee: Occidental Chemical CorporationInventor: Gautam R. Ranade
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Patent number: 4480115Abstract: This invention provides an improved process for direct hydrogenation of a carboxylic acid to its corresponding alcohol with synthesis gas in the presence of a homogeneous catalyst comprising a ruthenium compound and a Lewis Acid metal halide.Type: GrantFiled: March 17, 1983Date of Patent: October 30, 1984Assignee: Celanese CorporationInventor: James L. McGinnis
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Patent number: 4451664Abstract: An improved process for preparing diaryl esters of a monohydroxy aromatic compound with dicarboxylic acids is disclosed, in which the esterification reaction is optimized by continuously removing water and/or other by-products of the reaction from the reactor, while supplying to the reactor a make-up amount of the monohydroxy aromatic compound containing no more than about 100 ppm of water. The make-up stream may be obtained by stripping the by-product stream of water and other by-products of the reaction.Type: GrantFiled: September 24, 1982Date of Patent: May 29, 1984Assignee: Occidental Chemical CorporationInventor: Gautam R. Ranade
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Patent number: 4442300Abstract: New bronchospasmolytically active compounds exhibiting long duration of action and reduced undesired side effects, of the structural formula ##STR1## and therapeutically acceptable salts thereof, in which formula R, R.sup.1 and R.sup.2 are as follows:R is selected from the group consisting of --C(CH.sub.3).sub.3, ##STR2## R.sup.1 is selected from the group consisting of H and R.sup.2 ; R.sup.2 is selected from the group consisting of ##STR3## in which formulas R.sup.3 is selected from the group consisting of (a) H; ##STR4## wherein R.sup.5 is a straight or branched alkyl group containing 1-4 carbon atoms;and ##STR5## and wherein R.sup.4 is selected from the group consisting of(a) H(b) an alkyl group containing 1-3 carbon atoms,process for the preparation thereof, chemical intermediates at their preparation, pharmaceutical compositions containing them and their medicinal use.Type: GrantFiled: July 1, 1981Date of Patent: April 10, 1984Assignee: Aktiebolaget DracoInventors: O. A. Torsten Olsson, Leif .ANG. Svensson, Kjell I. L. Wetterlin
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Patent number: 4440945Abstract: Novel heat-curable acetylene-terminated monomers are provided which exhibit an optically anisotropic melt phase at a temperature which enables it to undergo melt processing in the formation of molded articles, etc. The monomers are capable of being heat-cured at temperatures in excess of the melt processing temperatures to produce a thermoset self-reinforced composite.Type: GrantFiled: July 19, 1982Date of Patent: April 3, 1984Assignee: Celanese CorporationInventors: Anthony B. Conciatori, Eui W. Choe, Gerald Farrow
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Patent number: 4395568Abstract: Anionic surface active agents of the general formulae I and II ##STR1## where R.sup.1 is C.sub.1-12 alkyl;A is --(CH.sub.2).sub.n -- (wherein n is 0-6), --CH.dbd.CH--, phenylene, or alkylphenylene;x is an integer of 3 to 35;R.sup.2 is C.sub.8-12 alkyl or alkenyl;Z is --(CH.sub.2 CH.sub.2 O).sub.x H or ##STR2## where x is as defined above; and the salts thereof with inorganic or organic bases.These surfactants have excellent surface active properties and hard water tolerance, and may be prepared by conventional esterification techniques.Type: GrantFiled: October 21, 1980Date of Patent: July 26, 1983Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.Inventors: Attila Molnar, Gyorgy Csermely, Gyorgy Lanyi
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Patent number: 4386103Abstract: Dichloroamino acid derivatives other than .alpha.-dichloroamino acids are prepared from chlorination of corresponding amino acids, and are found to be potent germicidal and fungicidal agents.Type: GrantFiled: January 30, 1981Date of Patent: May 31, 1983Assignee: Merck & Co., Inc.Inventors: Stefano A. Pogany, Takeru Higuchi
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Patent number: 4342859Abstract: Bis(aminophenylthioalkyl)terephthalate having the formula ##STR1## wherein R represents a C.sub.1 -C.sub.3 alkyl group. The compounds are useful as hardeners for a polyurethane elastomer.Type: GrantFiled: May 27, 1980Date of Patent: August 3, 1982Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Takao Harada, Hideaki Ohashi, Wataro Koike, Chihiro Yazawa, Kazuko Nanjo
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Patent number: 4340749Abstract: An ester of a fluoroaliphatic radical- and aliphatic chlorine-containing alcohol and a mono or polycarboxylic acid useful in carpet treatment.Type: GrantFiled: December 8, 1980Date of Patent: July 20, 1982Assignee: Minnesota Mining and Manufacturing CompanyInventor: Kalyanji U. Patel
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Patent number: 4324904Abstract: The invention concerns the novel compounds dialkyl 2-(3-fluoro-4-nitrophenyl)-2-methylmalonate IIIa and dialkyl 2-(3-fluoro-4-aminophenyl)-2-methylmalonate IVa useful as intermediates in an improved process for making 2-(2-fluoro-4-biphenylyl)propionic acid, known as flurbiprofen, having the formula ##STR1## and ester thereof. It has anti-inflammatory activity which is about 240 times that of aspirin and analgesic activity which is about 180 times that of aspirin in standard laboratory tests. However, despite this high activity, the toxicity (LD.sub.50) is only 1.2 to 2.4 times greater than that of aspirin in standard laboratory tests.Also within the invention is a novel method of making the above intermediates and analogs thereof useful to prepare corresponding biaryl compounds which have pharmaceutical uses.Type: GrantFiled: December 19, 1979Date of Patent: April 13, 1982Assignee: The Upjohn CompanyInventors: Thomas A. Hylton, Jerry A. Walker
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Patent number: 4313956Abstract: Novel, transient prodrug forms of the phenolic dihydroxy sympathomimetic amines have (i) the structural formula (I): ##STR1## wherein X is O, S or NR.sup.5 ; n is 1 or 2; R.sup.1 is the monodehydroxylated residue of a phenolic, nuclear dihydroxy natural sympathetic or sympathomimetic amine when n is 1, and the didehydroxylated residue of a phenolic, nuclear dihydroxy natural sympathetic or sympathomimetic amine when n is 2; R.sup.Type: GrantFiled: December 28, 1979Date of Patent: February 2, 1982Assignee: INTERx Research Corp.Inventors: Nicholas S. Bodor, Kenneth B. Sloan, Stefano A. Pogany
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Patent number: 4311706Abstract: Novel, transient prodrug forms of dopa and dopamine have (i) the structural formula (I): ##STR1## wherein each R is independently selected from the group consisting of hydrogen, R.sup.3 -CO- and ##STR2## wherein X is O, S or NR.sup.6 ; R.sup.1 is hydrogen or --COOR.sup.8 ; R.sup.2 is hydrogen or OR; R.sup.Type: GrantFiled: January 22, 1980Date of Patent: January 19, 1982Assignee: INTERx Research CorporationInventors: Nicholas S. Bodor, Kenneth B. Sloan, Stefano A. Pogany
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Patent number: 4304682Abstract: A polyol composition consisting essentially of a homogenous liquid admixture of propylene glycol and a diol obtained by alkoxylating a propylene glycol dispersion of 3,3',5,5'-tetrabromobisphenol A with ethylene oxide, propylene oxide or mixtures thereof. These polyol compositions are useful in preparing fire and chemical resistant thermosetting resinous compositions.Type: GrantFiled: February 7, 1979Date of Patent: December 8, 1981Assignee: Sherex Chemical Company, Inc.Inventors: Howard M. Hickman, Gary W. Earl
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Patent number: 4297513Abstract: Benzophenone thioethers of the general formula I or Ia ##STR1## in which X is hydrogen, alkyl, alkoxy or --COO-alkyl and X.sub.1 is hydrogen, Cl, Br or --SR, R is an unbranched or branched alkyl radical having 1-20 C atoms, which is unsubstituted or substituted by --OH, --OR.sup.1, --O--C(O)--R.sup.2, --COOR.sup.3, --C(O)-phenyl. --CN, --SR.sup.1, --NH.sub.2, --NHR.sup.4, --NR.sup.4 R.sup.5 or phenyl, in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are monovalent hydrocarbon radicals, R.sub.a is an alkylene radical having 2-10 C atoms, which is unsubstituted or substituted by --OH. --OR.sup.1 or --O--C(O)--R.sup.2 and/or is interrupted by --O--, --NR.sup.4, --O--C(O)--R.sup.6 --C(O)--O--, --C(O)--O--R.sup.7 --O--C(O)-- or phenylene and R.sup.6 and R.sup.7 are divalent hydrocarbon radicals, can be prepared by reacting a mono- or di-halogenobenzophenone of the general formula II ##STR2## in which X.sub.2 is Cl or Br and X.sub.Type: GrantFiled: May 28, 1980Date of Patent: October 27, 1981Assignee: Ciba-Geigy CorporationInventors: Louis Felder, Rudolf Kirchmayr
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Patent number: 4289896Abstract: Phosphonic acids are suitable catalysts for the transesterification of alkyl esters of carboxylic acids with aliphatic or cycloaliphatic diols containing more than 3 carbon atoms.Type: GrantFiled: September 17, 1979Date of Patent: September 15, 1981Assignee: Ciba-Geigy CorporationInventor: Lothar Buxbaum
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Patent number: 4284790Abstract: 3-Hydroxylbenzyl compounds of formula, ##STR1## in which each of R.sub.1, R.sub.2 and R.sub.3 is a hydrocarbon group, e.g. alkyl, R.sub.4 is hydrogen or alkyl, or forms with R.sub.1 --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --, and Z is either an oxygen- or sulphur-containing group featuring at least one ester or amide moiety, or a disubstituted amino group, Z being bound to the rest of the molecule via the oxygen or sulphur atom, or nitrogen atom, respectively, are useful as antioxidants. Organic materials which are susceptible to the degradative effects of oxygen are treated with one or more of such compounds, e.g. by incorporation into the body of the organic material, in order to be stabilized against such effects.Type: GrantFiled: January 23, 1979Date of Patent: August 18, 1981Assignee: Sandoz Ltd.Inventors: Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller
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Patent number: 4266074Abstract: Substituted acetate compounds represented by the formula ##STR1## which are useful as pesticides and pesticidal composition containing the substituted acetate compounds as active ingredients, as well as processes for preparing the compounds and the compositions are disclosed.Type: GrantFiled: July 16, 1975Date of Patent: May 5, 1981Assignee: Sumitomo Chemical Company LimitedInventors: Keimei Fujimoto, Nobuo Ohno, Yoshitoshi Okuno, Toshio Mizutani, Isao Ohno, Masachika Hirano, Nobushige Itaya, Takashi Matsuo
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Patent number: 4266046Abstract: Cyclic carbonate esters are reacted with polycarboxylic acids to produce bis(hydroxyalkyl) esters from aromatic polycarboxylic acids in the presence of selected catalysts comprising at least one of phosphines, phosphonium halides, sulfonium halides, sulfoxonium halides, and ammonium and alkyl ammonium halides. In the preferred embodiment, ethylene carbonate is reacted with terephthalic acid to produce bis(2-hydroxyethyl) terephthalate and/or polymers thereof.Type: GrantFiled: September 17, 1976Date of Patent: May 5, 1981Assignee: Phillips Petroleum CompanyInventor: Yulin Wu
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Patent number: 4261912Abstract: This invention describes novel antioxidant compounds which are esters of .omega.,.omega.-bis(dialkylhydroxyphenyl) alkanols having the formula: ##STR1## wherein R.sub.1 is a tertiary alkyl group having 4-8 carbon atoms;R.sub.2 is alkyl having 1-4 carbon atoms;R.sub.3 is a straight chain or branched alkylene group having 1-4 carbon atoms;x is 1-4,n is 1 or 2, and,Y is a group of the formulas ##STR2## when n is 1, where R.sub.4 is alkyl having from 12 to 24 carbon atoms, phenyl, or phenyl substituted with hydroxy of alkyl having 1 to 4 carbon atoms, or combinations thereof, or ##STR3## when n is 2, where R.sub.5 is a direct bond, a straight chain or branched alkylene having 1 to 8 carbon atoms, or a phenylene group, and m is 0 to 4.Type: GrantFiled: August 1, 1979Date of Patent: April 14, 1981Assignee: GAF CorporationInventor: David J. Tracy
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Patent number: 4247476Abstract: Disclosed are novel polymeric quaternary ammonium salts containing specific di-tertiary amino substituted cationic recurring units. Said salts are useful as dyeing and finishing agents, especially for dyeing textile materials, such as polyacrylonitrile fiber materials, as dispersing agents and emulsifiers, as antistatic, antimicrobial and flocculating agents and as precipitants.Type: GrantFiled: June 1, 1978Date of Patent: January 27, 1981Assignee: Ciba-Geigy CorporationInventors: Jaroslav Haase, Ulrich Horn, Hans-Ulrich Berendt
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Patent number: 4237312Abstract: In the oxidation of acyclic conjugated dienes, recovery and recycle of the oxidation catalyst is accomplished by distilling off the oxidation solvent, extraction of the oxidation product with a suitable solvent, and removal of the extraction solvent residue from the catalyst, and recycle of the catalyst to the oxidation step.Type: GrantFiled: April 2, 1979Date of Patent: December 2, 1980Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4229207Abstract: Esters of 1,2-diphenyl-cyclohex-1-ene-4-carboxylic-acid are effective plant growth regulating agents. They are useful for controlling wild oats in cereal cultures and for growth inhibition in different cultures, e.g. for the inhibition of suckers in tobacco plants.Type: GrantFiled: June 22, 1978Date of Patent: October 21, 1980Assignee: Ciba-Geigy CorporationInventors: Verena Laanio, Werner Fory, Rolf Schurter
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Patent number: 4229368Abstract: Esters and thiolesters of .alpha.-substituted unsaturated acids, intermediates therefor, synthesis thereof, and the use of said esters and thiolesters and compositions thereof for the control of pests.Type: GrantFiled: June 4, 1979Date of Patent: October 21, 1980Assignee: Zoecon CorporationInventors: Richard J. Anderson, Clive A. Henrick
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Patent number: 4214068Abstract: Phenolic curing agents, especially suitable for use in powder coatings, are prepared by reacting a dihydric phenol (diphenylol propane), a diepoxide (liquid diglycidyl ether of diphenylol propane), and a dicarboxylic acid (adipic acid) with the phenolic functionality in excess over the difference between the epoxy functionality and the acid functionality.Type: GrantFiled: May 10, 1979Date of Patent: July 22, 1980Assignee: Shell Oil CompanyInventors: Gerardus C. M. Schreurs, Werner Th. Raudenbusch, Theodorus N. Visser
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Patent number: 4198520Abstract: Compounds containing a lipophilic radical, a polyethyleneoxy group and an ethylenically unsaturated radical are disclosed. The compounds are useful as nonionic monomeric emulsion stabilizers.Type: GrantFiled: October 21, 1977Date of Patent: April 15, 1980Assignee: The Kendall CompanyInventors: Carlos M. Samour, Mildred C. Richards
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Patent number: 4181807Abstract: The esters are soluble in an aqueous solution of a base before exposure to actinic radiation but, on exposure to actinic radiation, polymerize and become insoluble in such an aqueous solution. Development of photopolymerized images does not therefore require the use of toxic or flammable organic solvents. They contain free carboxyl groups and at least one unit of the formulae I-IV ##STR1## where R.sup.1 is a carbon atom chain containing specified groupings, such as one of formula --CH.dbd.CH--CO--CH.dbd.CH--, --CH.dbd.CHCO--, --COCH.dbd.CHC.sub.6 H.sub.4 CH.dbd.CHCO--, or ##STR2## and Y is oxygen or sulfur. They are obtained by the reaction of an at least dianhydride of a polycarboxylic acid with alcoholic hydroxyl groups of an alcohol containing at least one unit of formula I-IV.Type: GrantFiled: December 27, 1977Date of Patent: January 1, 1980Assignee: Ciba-Geigy CorporationInventor: George E. Green
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Patent number: 4179577Abstract: The esters are soluble in an aqueous solution of a base before exposure to actinic radiation but, on exposure to actinic radiation, polymerize and become insoluble in such an aqueous solution. Development of photopolymerized images does not therefore require the use of toxic or flammable organic solvents. They contain free carboxyl groups and at least one unit of the formulae I-IV ##STR1## where R.sup.1 is a carbon atom chain containing specified groupings, such as one of formula --CH.dbd.CH--CO--CH.dbd.CH--, --CH.dbd.CHCO--, --COCH.dbd.CHC.sub.6 H.sub.4 CH.dbd.CHCO--, or ##STR2## and Y is oxygen or sulfur. They are obtained by the reaction of an at least dianhydride of a polycarboxylic acid with alcoholic hydroxyl groups of an alcohol containing at least one unit of formula I-IV.Type: GrantFiled: December 27, 1977Date of Patent: December 18, 1979Assignee: Ciba-Geigy CorporationInventor: George E. Green
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Patent number: 4176232Abstract: A sulfonic acid salt of an acyloxyalkylamine is prepared by reaction of an organic acid or amino-acid with a sulfonic acid salt of an alkanolamine. Isocyanates are prepared therefrom by reaction with phosgene.Type: GrantFiled: June 27, 1968Date of Patent: November 27, 1979Assignee: Rohm and Haas CompanyInventors: Sheldon N. Lewis, Jerome F. Levy
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Patent number: 4170711Abstract: Monomeric and polymeric halogenated organic compounds derived from 2,2',6,6'-tetrabromo-3,3',5,5' -tetraalkyl-4,4'-biphenols are described. The derivatives are useful in their monomeric and polymeric form as flame retardant additives and/or concentrates for normally flammable resinous materials. The thermal stability at elevated temperatures of the brominated biphenol derivatives advantageously benefits polymeric compositions containing the brominated biphenol derivatives especially when the polymeric compositions are molded into three dimensional articles, or formed into films, sheeting or shaped into fibers, laminates or reinforced plastics by conventional techniques.Type: GrantFiled: September 27, 1976Date of Patent: October 9, 1979Assignee: General Electric CompanyInventors: Charles M. Orlando, Francois A. Lavallee
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Patent number: 4167489Abstract: Liquid crystalline compounds of the formula: ##STR1## wherein X is an electron-repelling radical and Z is an electron-attracting radical, and rings A, B and C are each unsubstituted or additionally substituted with 1 to 4 identical or different monovalent organic radicals.Type: GrantFiled: March 2, 1978Date of Patent: September 11, 1979Assignee: BBC Brown Boveri & Company, LimitedInventor: Maged A. Osman
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Patent number: 4165432Abstract: Compounds containing peroxy linkages connecting similar polyol ester constituents are described. These peroxy di-ester polyols are prepared by the direct esterification of peroxy diacids with polyols, in the presence of a strong mineral acid catalyst. The peroxy di-ester polyol products function as free radical initiators and grafting bases in the graft copolymerization of unsaturated monomers with polyols. These graft copolymers are useful in the formulation of polyurethanes.Type: GrantFiled: October 18, 1977Date of Patent: August 21, 1979Assignee: Olin CorporationInventors: Frank J. Preston, Theodore C. Kraus, Kiran B. Chandalia
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Patent number: 4164615Abstract: A catalyst comprising a titanium compound, an alkali metal ion, and a halide, is effective for the conversion of conjugated diolefins to diacyloxy olefins.Type: GrantFiled: August 25, 1977Date of Patent: August 14, 1979Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4162363Abstract: Conjugated dienes or monoolefins are converted to diesters in a process utilizing a catalyst system comprising an alkali metal compound and a sulfur source comprising elemental sulfur or a sulfur halide, optionally with a halide source, in carboxylic acid media.Type: GrantFiled: August 25, 1977Date of Patent: July 24, 1979Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4132702Abstract: Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another denote alkyl, cycloalkyl or aralkyl, R.sub.3 denotes hydrogen or, conjointly with R.sub.1, denotes tetramethylene, R.sub.4 denotes hydrogen or lower alkyl or, conjointly with R.sub.2, denotes tetramethylene, R.sub.5 denotes hydrogen, alkyl, aralkyl, acyloxyalkyl, oxaalkyl or phenyl, R.sub.6 denotes hydrogen, alkhyl, phenyl or the group or, conjointly with R.sub.5, denotes alkylene, R.sub.7 denotes hydrogen, alkyl, phenyl, benzyl or alkylphenyl or, conjointly with R.sub.5 or R.sub.6, denotes alkylene or, conjointly with R.sub.5 and R.sub.6, denotes alkanetriyl, R.sub.5, R.sub.6 and R.sub.7 together containing at least one carbon atom, Y denotes --O-- or --NH--, P denotes 1, 2, 3 or 4 and A denotes hydrogen or a group which is derived from an organic or inorganic oxygen acid A-(OH).sub.p, are suitable for stabilizing organic material against thermo-oxidative degradation.Type: GrantFiled: July 27, 1976Date of Patent: January 2, 1979Assignee: Ciba-Geigy CorporationInventors: Andreas Schmidt, Kurt Schwarzenbach
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Patent number: 4128532Abstract: The instant invention is broadly directed to novel polyether esters and the use thereof in manufacturing polyurethane resins. The novel products are produced by esterifying an alkoxylated, halogenated bisphenol, a polycarboxylic acid and a dihydric alcohol.Type: GrantFiled: November 21, 1977Date of Patent: December 5, 1978Assignee: Bayer AktiengesellschaftInventors: Erich Eimers, Rolf Dhein, Rolf Wiedermann
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Patent number: 4107441Abstract: This disclosure describes certain hydroxy substituted 15-deoxy-5-cis-prostenoic acids and esters useful as hypotensive agents, anti-ulcer agents, bronchodilators, anti-microbial agents, anticonvulsants, or as intermediates.Type: GrantFiled: August 26, 1975Date of Patent: August 15, 1978Assignee: American Cyanamid CompanyInventors: Middleton Brawner Floyd, Jr., Martin Joseph Weiss, William James McGahren, Robert Eugene Schaub
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Patent number: 4101274Abstract: Process for the even dyeing of synthetic fiber materials and mixtures thereof with natural fibers with water-insoluble disperse dyes according to the exhaustion method, which comprises adding to the dyebath as levelling agents linear water-soluble, or dispersible polyesters containing sulfo groups.Type: GrantFiled: February 24, 1976Date of Patent: July 18, 1978Assignee: Hoechst AktiengesellschaftInventors: Helmut Beutler, Friedrich Engelhardt, Karl Hintermeier, Joachim Ribka
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Patent number: 4098970Abstract: Carboxylated styrene allyl alcohol copolymers are prepared by reaction of trimellitic anhydride and a hydroxy copolymer under controlled conditions to minimize polyester formation. The hydroxy copolymer is a copolymer of styrene or a substituted styrene and allyl alcohol or methallyl alcohol containing from 1.8 to 10 weight percent hydroxyl. At least one hydroxy group per molecule and preferably 20-80 percent of the hydroxyls of the hydroxy copolymer are reacted with trimellitic anhydride. The carboxylated styrene allyl alcohol copolymers can be used in aqueous or organic solvent solution in adhesive and surface coating applications.Type: GrantFiled: November 8, 1976Date of Patent: July 4, 1978Assignee: Monsanto CompanyInventor: Frank J. Hahn
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Patent number: 4096341Abstract: Thermally stable, rigid dibasic acids of the formula ##STR1## wherein R.sup.1 is arylene or substituted arylene, are used to prepare thermally stable, rigid polyesters of the formula ##STR2## WHERE R.sup.2 is arylene or substituted arylene, and n is at least 10.Type: GrantFiled: August 26, 1977Date of Patent: June 20, 1978Assignee: E. I. Du Pont de Nemours and CompanyInventor: August Henry Frazer
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Patent number: 4095029Abstract: 2-Hydroxy-3-alkylsulfoxypropyl-1 esters of arene polycarboxylic acids.Type: GrantFiled: January 17, 1977Date of Patent: June 13, 1978Assignee: Standard Oil Company (Indiana)Inventor: Ellis K. Fields
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Patent number: 4079183Abstract: The esters are soluble in an aqueous solution of a base before exposure to actinic radiation but, on exposure to actinic radiation, polymerize and become insoluble in such an aqueous solution. Development of photopolymerized images does not therefore require the use of toxic or flammable organic solvents. They contain free carboxyl groups and at least one unit of the formula 1-IV ##STR1## where R.sup.1 is a carbon atom chain containing specified groupings, such as one of formula --CH.dbd.CH--CO--CH.dbd.CH--, --CH.dbd.CHCO--, --COCH.dbd.CHC.sub.6 H.sub.4 CH.dbd.CHCO--, or ##STR2## and Y is oxygen or sulfur. They are obtained by the reaction of an at least dianhydride of a polycarboxylic acid with alcoholic hydroxyl groups of an alcohol containing at least one unit of formula I-IV.Type: GrantFiled: November 20, 1975Date of Patent: March 14, 1978Assignee: Ciba-Geigy CorporationInventor: George Edward Green
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Patent number: 4068082Abstract: Esters are prepared by reaction of acyl halides and alcohols or hydroxyalkyl esters and acid halides in the presence of a tertiary amine and polar aprotonic solvents. Bis(2-methacrylatoethyl) phthalate is prepared by the reaction of phthaloyl chloride with 2-hydroxyethyl methacrylate in pyridine and acetone. Bis-phenol-A-bis(2-methacrylatoethyl)ether is prepared from 2,2-bis[4-(2-hydroxyethoxy)phenyl]-propane and methacryl chloride in acetone.Type: GrantFiled: September 19, 1973Date of Patent: January 10, 1978Assignee: Lee PharmaceuticalsInventors: Donald G. Stoffey, Jan Alexander Orlowski
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Patent number: 4065630Abstract: Novel polyoxyalkylene fluoroalkyltrimellitate compounds are disclosed that are useful for improving the soil release properties of textiles. These compounds may be conveniently prepared by reacting a fluorinated alkyl thiol or amine with trimellitic anhydride monoacid chloride to form a fluorinated trimellitic anhydride intermediate product which is then reacted with a polyoxyalkylene derivative.Type: GrantFiled: September 10, 1976Date of Patent: December 27, 1977Assignee: Pennwalt CorporationInventor: Stanley Robert Sandler