Sulfur, Nitrogen, Halogen, Oxy, Or Aldehyde Or Ketone Group In Acid Moiety Patents (Class 560/145)
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Patent number: 4701282Abstract: This invention provides smoking compositions which contain a .beta.-hydroxy-.gamma.-ketoester compound as a flavorant-release additive.In one of its embodiments, this invention provides tobacco compositions which contain a flavorant-release additive such as dodecyl 3-hydroxy-2,2,3-trimethyl-4-oxopentanoate: ##STR1## Under cigarette smoking conditions the above illustrated .beta.-hydroxy-.gamma.-keto ester pyrolyzes into 2,3-butanedione and other products which enhance the flavor of the mainstream smoke and the aroma of sidestream smoke.Type: GrantFiled: August 30, 1985Date of Patent: October 20, 1987Assignee: Philip Morris IncorporatedInventors: W. Geoffrey Chan, Yoram Houminer
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Patent number: 4695657Abstract: A process for the preparation of compounds containing a difluoromethylene group in a position .alpha. to an oxygen atom. An alcohol or a phenol is brought into contact with trifluoroacetic acid or a halide or anhydride thereof in anhydrous liquid hydrofluoric acid, in the presence of boron trifluoride, in a quantity such that the absolute pressure of boron trifluoride is at least about one bar. The compounds obtained according to the invention are used as synthesis intermediates in the pharmaceutical, plant-protection, and dye industries, as anesthetics and as additives for lubricating oils.Type: GrantFiled: December 17, 1985Date of Patent: September 22, 1987Assignee: Rhone-Poulenc Specialites ChimiquesInventor: Michel Desbois
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Patent number: 4670577Abstract: A novel process for the preparation of pent-4-enoic acids of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, cyano and alkoxycarbonyl of 2 to 5 carbon atoms and Y is selected from the group consisting of hydrogen, cyano, alkoxycarbonyl 2 to 5 carbon atoms, acyl of an organic carboxylic acid of 2 to 7 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms and arylsulfonyl of 6 to 7 carbon atoms with the proviso that X and Y are not both hydrogen comprising reacting a compound of the formula ##STR2## wherein R is selected from the group consisting of acyloxy of an organic carboxylic acid of 1 to 7 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms and arylsulfonyl of 6 to 7 carbon atoms with an anion derivative of a compound of the formula ##STR3## wherein X.sub.1 and Y.sub.Type: GrantFiled: February 24, 1984Date of Patent: June 2, 1987Assignee: Roussel UclafInventors: Marc Julia, Therese Cuvigny
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Patent number: 4663469Abstract: A novel enantiomeric systhesis from ascorbic acid of (3S,4S)-3-amino-4-carbamoyloxymethyl-2-azetidinone-1-sulfate, an intermediate for an antibiotic compound.Type: GrantFiled: December 10, 1984Date of Patent: May 5, 1987Assignee: Hoffman-La Roche Inc.Inventors: Chung-Chen Wei, Manfred Weigele
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Patent number: 4657956Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R--S--B--S--R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl.sub.3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilizing agents are oligomeric analogues of such compounds.Type: GrantFiled: September 13, 1985Date of Patent: April 14, 1987Assignee: Monsanto Europe, S. A.Inventors: Albert F. L. G. Devaux, Philippe G. Moniotte
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Patent number: 4634551Abstract: This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar amide link in the hydrophobic chain when used in the bleaching composition. In a preferred embodiment, the bleaching compositions of the invention are also detergent compositions.Type: GrantFiled: June 3, 1985Date of Patent: January 6, 1987Assignee: Procter & Gamble CompanyInventors: Michael E. Burns, Frederick E. Hardy
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Patent number: 4613467Abstract: A novel fluorinated copolymer is prepared by copolymerization of a fluorinated olefin with a novel sulfur containing fluorinated vinylether of the formula: ##STR1## wherein k is 0 or 1 and l is an integer of 3 to 5, which is prepared from starting materials which are also novel. Said copolymer is useful for preparation of a fluorinated cation exchange membrane having carboxylic acid groups and/or sulfonic acid groups which can be used advantageously in electrolysis of an aqueous alkali metal halide solution with improved electrolysis performance.Type: GrantFiled: August 30, 1983Date of Patent: September 23, 1986Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Kyoji Kimoto, Hirotsugu Miyauchi, Jukichi Ohmura, Mikio Ebisawa, Toshioki Hane
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Patent number: 4605667Abstract: Pesticidal water-soluble aminoacid sulfenylated carbamates useful as broad spectrum insecticides and miticides, particularly useful as systemic insecticides.Type: GrantFiled: March 29, 1985Date of Patent: August 12, 1986Assignee: Union Carbide CorporationInventors: Chennupati K. Rao, Themistocles D. D'Silva
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Patent number: 4594446Abstract: The invention relates to new antimicrobially active 3-cephem compounds, processes for preparing such compounds, new intermediate compounds comprising alkoxyimino dioxy butyric acid derivatives useful in said processes, and processes for preparation of said intermediates.Type: GrantFiled: January 14, 1985Date of Patent: June 10, 1986Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Ikuo Ueda, Takao Takaya, Masakazu Kobayashi, Takashi Masugi, Hisashi Takasugi, Hiromu Kochi, Tadashi Kitaguchi
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Patent number: 4594098Abstract: Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 denote alkyl, CF.sub.3, benzyl cyclohexyl, cyanoethyl, phenyl or OH and A denotes, inter alia, the groups --CO--, CHOH or CH--NH.sub.2 and --COR.sub.3 denotes a carboxyl, carboxylic ester or carboxamido group, are active herbicides.Type: GrantFiled: July 16, 1985Date of Patent: June 10, 1986Assignee: Hoechst AktiengesellschaftInventors: Klaus Bauer, Hermann Bieringer, Helmut Burstell, Jean Kocur
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Patent number: 4588833Abstract: Substituted succinic acid amides, in particular substituted succinic acid amides containing differing derivative groups, are prepared by reacting unsaturated carboxamides with carbon monoxide and with a nucleophilic component containing at least one mobile hydrogen atom, in the presence of cobalt compounds and, if appropriate, in the presence of one or more tertiary nitrogen bases, under an elevated pressure and at an elevated temperature.Type: GrantFiled: October 26, 1984Date of Patent: May 13, 1986Assignee: Bayer AktiengesellschaftInventors: Jurgen Kadelka, Hans-Helmut Schwarz
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Patent number: 4584145Abstract: There is described a process for preparing carbonyl compounds of formula: ##STR1## by oxidation of compounds of formula: ##STR2## wherein X=--CN, --COOR, Y=--COOR.sub.1, --CN, and R, R.sub.1, like or unlike each other, are inert radicals, by employing oxygen or air as oxidants, at least a catalyst selected from the salts of organic or inorganic acids of Mn, Co, Cu and Fe, from 0 to 60 moles of an alkaline salt of an aliphatic carboxylic acid per gram-atom of catalyst metal, in a polar solvent, at temperatures ranging from 30.degree. C. to 200.degree. C. and maintaining the reaction medium anhydrous.The present invention relates to a process for preparing carbonyl compounds by catalytic oxidation of compounds containing an activated methylene group.Type: GrantFiled: June 19, 1985Date of Patent: April 22, 1986Assignee: Montedison S.p.A.Inventors: Roberto Santi, Giuseppe Cometti, Anselmo Pagani
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Patent number: 4584014Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, alkyl, cycloalkyl, phenylalkyl, alkoxyalkyl, alkoxyaryl, aryl or an agronomically acceptable cation; R.sup.2 and R.sup.3 are each independently hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted phenylalkyl, carboxy, alkoxycarbonyl or phenyl group; X is hydrogen, fluoro, bromo, chloro or iodo atom; Y is a hydrogen, fluoro, bromo, chloro, iodo, alkyl, cycloalkyl, carboxy, alkoxycarbonyl, phenylalkyl, alkenyl and alkynyl group, wherein the alkyl, cycloalkyl, phenylalkyl and phenyl group may have up to three optional substituents; and B is hydrogen, carboxy, alkoxycarbonyl, methylene (--CH.sub.2 R.sup.4) or CZZ.sup.1 Z.sup.2 group wherein R.sup.4 is an alkyl or alkenyl group and Z, Z.sup.1 and Z.sup.2 are each independently a hydrogen, fluoro, bromo, chloro or iodo atom, provided that Z, Z.sup.1, Z.sup.2, X and Y are not all hydrogens.Type: GrantFiled: July 2, 1984Date of Patent: April 22, 1986Assignee: Rohm and Haas CompanyInventor: Dennis R. Patterson
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Patent number: 4524031Abstract: A perfluorocarbonyl compound of the formula ##STR1## wherein R.sub.f is perfluoroalkyl having 1 to 10 carbon atoms,R'.sub.f is perfluoroalkylene having 1 to 10 carbon atoms,R is fluorine, chlorine, perfluoroalkyl having 1 to 10 carbon atoms, or is alkoxy having 1 to 10 carbon atoms, andn is 0 to 10.Type: GrantFiled: May 20, 1983Date of Patent: June 18, 1985Assignee: Hoechst AktiengesellschaftInventors: Hans Millauer, Gunter Siegemund, Werner Schwertfeger
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Patent number: 4492798Abstract: A process for the production of an arylalkylpyruvic acid of the general formula:(R).sub.n --A--(CH.sub.2).sub.m CH.sub.2 COCOOHwherein:A represents an aromatic hydrocarbon radical containing 1 or 2 condensed benzene rings,each R, which may be the same or different, represents hydrogen or a linear or branched alkyl radical with up to 4 carbon atoms which is unsubstituted or substituted by a nitro group or by an alkoxy group containing 1 to 4 carbon atoms, or an alkoxy group containing 1 to 4 carbon atoms, or a halogeno, nitrile, nitro or alkylcarbonyloxy group,n is 0 or an integer from 1-3 when A contains one benzene ring, and n is 0 or an integer from 1-5 when A contains two condensed benzene rings and m is 1-20, which comprises carbonylating an arylalkyl halide of the general formula:(R).sub.n --A--(CH.sub.2).sub.m CH.sub.Type: GrantFiled: January 13, 1983Date of Patent: January 8, 1985Assignee: Ethyl CorporationInventors: John Y. Lee, Joachim W. Wolfram
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Patent number: 4473508Abstract: A process for the production of .gamma.-chloroacetoacetic acid chloride by reaction of chlorine and diketene. The process has a throughput which is from 5 to 750 kg of product per liter reaction volume hour, which means the process achieves a large plant scale throughput of reactants. A solution of chlorine dissolved in an inert solvent and a solution of diketene dissolved in an inert solvent are introduced simultaneously in a continuous current into a tube reactor in such a way that the two solvents immediately mix homogeneously and a turbulent flow develops. The turbulent flow in the tube reactor has a Reynolds number of at least 2,500. None of the reactants or components are used in gaseous form in the reaction, and no gaseous phase forms during the reaction. The mole ratio of chlorine to diketene is between 0.9 to 1 and 1.2 to 1. The same inert solvent can be used in both the chlorine solution and the diketene solution. Preferably a chlorinated hydrocarbon is used as the inert solvent.Type: GrantFiled: May 11, 1983Date of Patent: September 25, 1984Assignee: Lonza Ltd.Inventor: Max Gross
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Patent number: 4467107Abstract: Disclosed is a process for the stereocontrolled total synthesis of thienamycin via intermediates II and IIa: ##STR1## wherein R is a readily removable carboxyl protecting group.Type: GrantFiled: June 7, 1982Date of Patent: August 21, 1984Assignee: Merck & Co., Inc.Inventors: Thomas M. H. Liu, David G. Melillo, Kenneth M. Ryan, Ichiro Shinkai, Meyer Sletzinger
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Patent number: 4457873Abstract: A process for preparing phosphonomethylated amino acids comprising phosphonomethylating a N-carboxymethyl-S-methylene bisdithiocarbamate with formaldehyde and a phosphorus source to obtain a phosphonomethylated bisdithiocarbamate which is then hydrolyzed to the phosphonomethylated amino acid salt. Acidification yields the corresponding phosphonomethylated amino acid, e.g. glyphosate, or acid derivative.Type: GrantFiled: March 24, 1983Date of Patent: July 3, 1984Assignee: Stauffer Chemical CompanyInventor: Sreeramulu Nagubandi
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Process for the preparation of N,O-disubstituted urethanes useful for the preparation of isocyanates
Patent number: 4430505Abstract: A process for the preparation of N,O-disubstituted urethanes. Urea or polyurets, primary amines and alcohols are reacted at 120.degree.-350.degree. C. in the presence of N-substituted urethanes and/or N-mono- or N,N'-disubstituted ureas or polyureas. In a preferred embodiment, the reactants further include catalysts known to be useful in esterification of carboxylic acids. The urethanes produced in accordance with this process are particularly useful as starting materials for preparation of isocyanates.Type: GrantFiled: October 15, 1980Date of Patent: February 7, 1984Assignee: Bayer AktiengesellschaftInventors: Peter Heitkamper, Klaus Konig, Kurt Findeisen, Rudolf Fauss, Rudolf Sundermann -
Patent number: 4370497Abstract: The present invention relates to the use of telluroxides as mild and selective oxidizing agents serving to oxidize certain functions, notably >C.dbd.S groups, in the presence of other relatively easily oxidized functions which remain unaffected; telluroxides of interest as oxidizing agents include, for example, compounds of the formula: ##STR1## wherein R and R.sup.1, which may be the same or different, each represent an optionally substituted aryl or heterocyclic group; or R and R.sup.1 together with the tellurium atom therebetween represent a heterocyclic ring, which may contain one or more further heteroatoms, and which may carry substituents and/or fused aromatic rings.Type: GrantFiled: August 7, 1980Date of Patent: January 25, 1983Inventors: Derek H. R. Barton, Steven V. Ley, Clive A. Meerholz
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Patent number: 4327036Abstract: Process for nuclear chlorination of non-phenolic aromatic compounds, said process comprising contacting and reacting a non-phenolic aromatic compound having a net Hammett .sigma. value of about -0.1 to about 2.0 with chlorine monoxide in the presence of at least one-half an equivalent amount, based on the chlorine monoxide, of an acid having a pK.sub.a no greater than that of trichloroacetic acid, provided, however, when the net Hammett .sigma. value is about 0.7 to about 2.0, the acid has a pK.sub.a no greater than that of trifluoroacetic acid.Type: GrantFiled: May 8, 1980Date of Patent: April 27, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Frank D. Marsh
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Patent number: 4327034Abstract: Sulfamic acid halides and processes for the preparation of sulfamic acid halides by reaction of monosubstituted sulfamic acid halides with halogen compounds in the presence of specific amounts of a basic compound and in the presence of an organic solvent, if desired with subsequent treatment with water at a pH of at most 7. The compounds obtainable by the process of the invention, some of which are new, are valuable starting materials for the preparation of crop protection agents, dyes and drugs.Type: GrantFiled: June 25, 1979Date of Patent: April 27, 1982Assignee: BASF AktiengesellschaftInventors: Gerhard Hamprecht, Adolf Parg, Karl-Heinz Koenig
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Patent number: 4326069Abstract: N-substituted aspartic acid monoesters of the formula I ##STR1## wherein for example R.sub.1 is an alkyl group having 1 to 12 C atoms, cyclohexyl, phenyl, tolyl or benzyl, x is 2 or 3, R.sub.2 and R.sub.3 are each a methyl or ethyl group, or together with the N atom they form an N-heterocyclic ring, are obtained by adding, by means of an addition reaction, to 1 mol of a maleic acid monoester of the formula II ##STR2## 1 mol of an amine of the formula III ##STR3## in the presence of a tertiary amine. The novel N-substituted aspartic acid monoesters are valuable curing accelerators for epoxide resin mixtures containing dicyandiamide or a polycarboxylic acid anhydride as curing agent. They are also suitable alone as catalytically acting curing agents for epoxide resins.Type: GrantFiled: April 28, 1980Date of Patent: April 20, 1982Assignee: Ciba-Geigy CorporationInventors: Friedrich Stockinger, Sameer H. Eldin, Friedrich Lohse
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Patent number: 4323695Abstract: The invention relates to a novel process for making phenyl fluoroacrylate monomer. The monomer is obtained by reaction of a fluoroacrylic salt with an halogenating agent, followed by condensation of the fluoroacryloyl halogenide with phenol and recovery of the phenyl fluoroacrylate. The obtained monomer is applicable to the manufacture of transparent polymers of high thermal stability.Type: GrantFiled: December 11, 1979Date of Patent: April 6, 1982Assignee: Office National d'Etudes et de RecherchesInventors: Bertrand Bloch, Chantal C. Meyer, Denis Charrier
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Patent number: 4321062Abstract: Hydrocarbyl-substituted phenylaspartates of N-primary-alkyl-alkylene diamines of the formulas: ##STR1## wherein R is a hydrocarbyl radical having from about 6 to 30 carbon atoms; R' is an alkyl or an alkenyl group having from 6 to 30 carbon atoms are provided together with a motor fuel composition containing at least one of the foregoing compounds.Type: GrantFiled: January 12, 1981Date of Patent: March 23, 1982Assignee: Texaco Inc.Inventors: Sheldon Herbstman, Peter Dorn
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Patent number: 4311850Abstract: Muconic acid monoesters of alkanediols of 2-6 carbons and of phenol are prepared by copper (II) oxidative cleavage of phenols, catechols or orthobenzoquinones. The products are useful as comonomers in polyamides and other polymers. The alkanediol or phenol is introduced into the copper (II) reactant or catalyst.Type: GrantFiled: November 19, 1979Date of Patent: January 19, 1982Assignee: Allied CorporationInventors: Timothy R. Demmin, Milorad M. Rogic
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Patent number: 4301296Abstract: Ester such as 3,6,9-trioxaundecane-1,11-bis(3-n-dodecylthiopropionate) when combined with conventional free amine antioxidants such as N,N'-diphenylparaphenylenediamine or with polymer bound antioxidants such as N-(4-anilinophenyl) methacrylamide produce improved antioxidant systems for SBR and NBR type polymers.Type: GrantFiled: September 29, 1980Date of Patent: November 17, 1981Assignee: The Goodyear Tire & Rubber CompanyInventor: Joseph A. Kuczkowski
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Patent number: 4301044Abstract: Zwitterionic surfactant compounds are made readily biodegradable in the environment by the inclusion of a biochemically and/or hydrolytically labile chemical linkage located between the cationic and anionic charge centers of the compounds and anywhere from the second to the tenth atom distant from the cationic charge center. The biodegradable linkage is preferably an ester or amide. The alkoxylated zwitterionic surfactants herein exhibit outstanding particulate soil removal performance and are also effective in removing oily soils from fabrics, in addition to being readily biodegradable. Also described are detergent compositions containing the zwitterionic surfactants, and, optionally containing cosurfactants and detergent builders.Type: GrantFiled: January 22, 1980Date of Patent: November 17, 1981Assignee: The Procter & Gamble CompanyInventors: George E. Wentler, Joseph McGrady, Eugene P. Gosselink, William A. Cilley
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Patent number: 4287123Abstract: Disclosed is a process for the stereocontrolled total synthesis of thienamycin, which synthesis proceeds via intermediate II: ##STR1## wherein R is a readily removable carboxyl protecting group; and ##STR2## is a readily removable acyl group.Type: GrantFiled: January 14, 1980Date of Patent: September 1, 1981Assignee: Merck & Co., Inc.Inventors: Thomas M. H. Liu, David G. Melillo, Kenneth M. Ryan, Ichiro Shinkai, Meyer Sletzinger
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Patent number: 4285971Abstract: Halogenated phenol esters of the formula ##STR1## wherein X represents chlorine or fluorine and R represents hydrogen, alkyl of 1 to 22 carbon atoms, alkenyl of 2 to 22 carbon atoms, benzyl which is unsubstituted or substituted by chlorine or bromine atoms, or phenyl which is unsubstituted or substituted by alkyl or alkoxy, each of 1 to 4 carbon atoms, carboxyl, chlorine and/or bromine. The invention also relates to a method of protecting organic and inorganic material from attack by microorganisms, in particular of providing textiles with an antimicrobial and rotproof finish, of protecting wood from rot, and of preventing the formation of slime in the manufacture of paper.Type: GrantFiled: July 30, 1979Date of Patent: August 25, 1981Assignee: Ciba-Geigy CorporationInventor: Rene Muntwyler
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Patent number: 4284572Abstract: Copolymerizable blocked isocyanate diols are prepared by reacting a blocking agent with an isocyanate group of an organic diisocyanate under controlled conditions, thereby forming a blocked isocyanate group, and reacting the second isocyanate group in a subsequent step with the amine portion of a selected amine diol under anhydrous conditions. The resultant products are used to prepare self-crosslinkable, linear polyurethanes of high molecular weight.Type: GrantFiled: December 15, 1978Date of Patent: August 18, 1981Assignee: National Starch and Chemical CorporationInventors: Henry Stanley, Dilip K. Ray-Chaudhuri
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Patent number: 4284755Abstract: N-Substituted aspartic acid monoesters of the formula ##STR1## wherein for example R.sub.1 is an alkyl group having 1 to 12 C atoms, a cyclohexyl, phenyl, tolyl or benzyl group, R.sub.2 is an alkyl group having 3 or 4 C atoms, or a cyclohexyl, phenyl, tolyl or methoxyphenyl group, and x is 2 or 3, are obtained by adding, by means of an addition reaction, to 1 mol of a maleic acid monoester of the formula ##STR2## 1 mol of an amine of the formulaH.sub.2 N--(CH.sub.2 ).sub.x NH--R.sub.2in the presence of a tertiary amine. The novel N-substituted aspartic acid monoesters are valuable curing agents for epoxide resins, and are particularly suitable for producing storage-stable B-stage resins.Type: GrantFiled: April 30, 1980Date of Patent: August 18, 1981Assignee: Ciba-Geigy CorporationInventors: Friedrich Lohse, Friedrich Stockinger, Sameer H. Eldin
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Patent number: 4282151Abstract: New reactive asymmetrical dicarboxylic acid ester compounds of the formula ##STR1## wherein R.sub.1 is an alkyl radical containing up to 3 carbon atoms or is a digoxin or digitoxin residue, R.sub.2 and R.sub.3, which may be the same or different, are alkoxy radicals containing up to 3 carbon atoms or together represent an oxygen atom, X is a cyanomethoxy, succinimide-N-oxy, N-methyl-pyridiniumoxy, 2,4-dinitrophenoxy, 2,4,5-trichlorophenoxy, pentachlorophenoxy, phenylthio, p-nitrophenoxy, n-nitrophenylthio, piperidyl-N-oxy, phthalimido-N-oxy or benztriazol-N-oxy radical and n is 2, 3, 4 or 5, are useful for the preparation of reagents for the investigation of cardiac glycosides (Digitalis glycosides).Type: GrantFiled: March 6, 1978Date of Patent: August 4, 1981Assignee: Boehringer Mannheim GmbHInventors: Hans-Georg Batz, Hans-Ralf Linke, Klaus Stellner, Gunter Wiemann
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Patent number: 4242265Abstract: New indolylalkyl esters of mercaptoalkanoic acids, and salts thereof, which have the general formula ##STR1## are useful as hypotensive agents.Type: GrantFiled: January 10, 1979Date of Patent: December 30, 1980Assignee: E. R. Squibb & Sons, Inc.Inventors: Peter C. Wade, Miguel A. Ondetti
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Patent number: 4241217Abstract: Ester such as 3,6,9-trioxaundecane-1,11-bis (3-n-dodecylthiopropionate) when combined with conventional free amine antioxidants such as N,N'-diphenylparaphenylenediamine or with polymer bound antioxidants such as N-(4-anilinophenyl) methacrylamide produce improved antioxidant systems for SBR and NBR type polymers.Type: GrantFiled: May 26, 1978Date of Patent: December 23, 1980Assignee: The Goodyear Tire & Rubber CompanyInventor: Joseph A. Kuczkowski
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Patent number: 4239803Abstract: A composition for enhancing and maintaining mechanical properties such as tensile strength of an ethylene polymer on heating at elevated temperature comprises (A) an initiator of cross-linking having a half-life measured at 110.degree. C. of 0.1 to 50 hours and (B) an alkylthioalkylenecarboxylic acid ester of a polycarbocyclic polyhydric phenol.Type: GrantFiled: June 14, 1977Date of Patent: December 16, 1980Assignee: Argus Chemical CorporationInventors: Toshio Ohzeki, Mitsuo Akutsu, Yutaka Nakahara, Tohru Haruna, Motonobu Minagawa, Masahiro Nonoyama
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Patent number: 4227015Abstract: Aryl substituted diketones and keto-esters, useful as antiviral agents and insecticides, are prepared by reacting an arylalkyl or arylalkenyl iodide with a metal salt of the appropriate diketone or keto-ester. The intermediate iodides are prepared by condensing a methyl cyclopropyl ketone with an aromatic aldehyde to give an arylvinyl cyclopropyl ketone, reducing the latter to an arylethyl cyclopropyl carbinol or arylvinyl cyclopropyl carbinol, treating the carbinol with phosphorus tribromide and then with zinc bromide to give an arylalkyl or arylalkenyl bromide, and then replacing the bromine atom by iodine.Type: GrantFiled: February 14, 1979Date of Patent: October 7, 1980Assignee: Sterling Drug Inc.Inventor: Joseph C. Collins
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Patent number: 4221916Abstract: Saturated vicinal esters produced by reacting olefins with carboxylic acid and anhydrides thereof in the presence of oxygen and a vanadium- or ruthenium-containing catalyst.Type: GrantFiled: August 25, 1978Date of Patent: September 9, 1980Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4221917Abstract: Monoolefins and diolefins are converted to corresponding esters in a process by contacting together at least one monoolefin, diolefin or mixture thereof, oxygen, at least one iodosoaryl dicarboxylate and at least one carboxylic acid, carboxylic acid anhydride or mixture thereof.Type: GrantFiled: March 3, 1978Date of Patent: September 9, 1980Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4215044Abstract: Process for preparing an organic compound of the formula R.sup.2 R.sup.2 CFC(O)R.sup.3, which process comprises contacting and reacting in a reaction mixture which includes an inert solvent, at a temperature of -40.degree. C. to -100.degree. C., ROF and ##STR1## R is polyfluoroperhaloalkyl of 1-6 carbon atoms or FOCF.sub.2 ; R.sup.1 is hydrocarbyl of 1-6 carbon atoms;each R.sup.2 is selected from H, alkyl of 1-17 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl and such alkyl, cycloalkyl, aryl and heteroaryl substituted by halogen or alkoxy of 1-6 carbon atoms;R.sup.3 is selected from H, alkyl and haloalkyl of 1-16 carbon atoms, cycloalkyl of 3-10 carbon atoms, aryl and haloaryl, OSi(R.sup.1).sub.3, OH, NH.sub.2, alkoxy of 1-6 carbon atoms, aryloxy, NHR.sup.1 and NR.sup.1.sub.2 wherein R.sup.1 is alkyl of 1-6 carbon atoms, N-arylamino and nitrogen or sulfur heterocyclic of 4-5 carbon atoms;R.sup.3 and one R.sup.2 taken together is a diradical which with the C.dbd.Type: GrantFiled: April 23, 1979Date of Patent: July 29, 1980Assignee: E. I. Du Pont de Nemours and CompanyInventor: William J. Middleton
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Patent number: 4214096Abstract: Novel isothiouronium salts are herein described which correspond to the formula ##STR1## wherein R and R' are each independently hydrocarbyl or inertly-substituted hydrocarbyl of at least 4 carbon atoms; R.sub.1 -R.sub.4 are each independently alkyl or hydroxyalkyl of 1 to 4 carbon atoms, or R.sub.1 and R.sub.3 are joined to form a 5- or 6-membered heterocyclic ring; n is 0 or 1; and A.sup..crclbar. is an inert neutralizing anion. The isothiouronium salts are surprisingly effective dispersing agents and are used in forming electrodepositable latexes.Type: GrantFiled: June 15, 1979Date of Patent: July 22, 1980Assignee: The Dow Chemical CompanyInventors: Thomas C. Klingler, Ritchie A. Wessling, Dale S. Gibbs
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Patent number: 4205180Abstract: Novel cephem compounds of the formula; ##STR1## wherein R.sup.1 represents amino or hydroxyl group which may be protected, R.sup.2 represents amino or hydroxyl group or a group convertible into these groups, R.sup.3 represents hydrogen or methoxy group or a group convertible into methoxy group, R.sup.4 represents hydrogen or a residue of a nucleophilic compound and R.sup.8 represents hydrogen or a halogen, or a pharmaceutically acceptable salt or ester thereof, have strong antibiotic properties against a wide variety of microorganisms including gram-positive bacteria as well as gram-negative ones, especially by oral administration and can be used as therapeutic agent for various bacterial infections of animals including human beings.Type: GrantFiled: January 18, 1978Date of Patent: May 27, 1980Assignee: Takeda Chemical Industries, Ltd.Inventors: Michihiko Ochiai, Taiiti Okada, Osami Aki, Akira Morimoto, Kenji Kawakita, Yoshihiro Matsushita
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Patent number: 4194050Abstract: Enamides are prepared by hydrogenating oximes having at least one hydrogen atom at the .alpha.-position in the presence of a carboxylic anhydride using a ruthenium catalyst. These enamides are important to obtain amino group-containing compounds by reduction or polymerization.Type: GrantFiled: July 13, 1978Date of Patent: March 18, 1980Assignee: Sumitomo Chemical Company, LimitedInventor: Motoo Hazama
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Patent number: 4180676Abstract: A catalyst comprising a uranium compound, an alkali metal ion, and a halide, is effective to convert conjugated dienes in carboxylic acid media to diacyloxy olefins.Type: GrantFiled: August 25, 1977Date of Patent: December 25, 1979Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4168387Abstract: This invention concerns a method for the preparation of polyphenolic esters for use as built-in antioxidants.Type: GrantFiled: August 6, 1975Date of Patent: September 18, 1979Assignee: The Goodyear Tire & Rubber CompanyInventor: Kirkwood S. Cottman
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Patent number: 4143064Abstract: A process for the manufacture of .beta.-haloacetals or .beta.-haloketals by reaction of substituted or unsubstituted phenols with vinyl ethers in the presence of chlorine-liberating compounds and an inert diluent or solvent at a temperature of from -70 to +40.degree. C.Type: GrantFiled: March 30, 1977Date of Patent: March 6, 1979Assignee: BASF AktiengesellschaftInventors: Hans-Peter Loeffler, Karl Kiehs
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Patent number: 4125515Abstract: Ester such as 3,6,9-trioxyundecane-1,11-bis (3-n-dodecylthiopropionate) when combined with conventional free amine antioxidants such as N,N'-diphenylparaphenylenediamine or with polymer bound antioxidants such as N-(4-anilinophenyl) methacrylamide produce improved antioxidant systems for SBR and NBR type polymers.Type: GrantFiled: March 19, 1976Date of Patent: November 14, 1978Assignee: The Goodyear Tire & Rubber CompanyInventor: Joseph A. Kuczkowski
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Patent number: 4107427Abstract: The present specification provides novel intermediates and novel processes for the synthesis of various side chain and skeletal analogs of Thromboxane B.sub.2 (11.beta.-homo-11a-oxa-PGF.sub.2.alpha.). These analogs are particularly and especially useful as reproductive cycle control agents.Type: GrantFiled: August 20, 1976Date of Patent: August 15, 1978Assignee: The Upjohn CompanyInventor: Robert C. Kelly
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Patent number: 4097670Abstract: Carboxyalkylureido cephalosporins of the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, diphenyl-lower alkyl, tri(lower alkyl)silyl, trihaloethyl, a salt forming ion, or the group ##STR2## R.sub.1 is hydrogen or methoxy; A is straight or branched chain alkylene of 1 to 6 carbons; R.sub.2 is hydrogen, lower alkyl, phenyl, phenyl-lower alkyl, diphenyl-lower alkyl, alkali metal ion or alkaline earth metal ion; R.sub.3 is hydrogen or lower alkyl; R.sub.4 is hydrogen, lower alkyl, cycloalkyl, cycloalkenyl, cycloalkadienyl, phenyl, phenyl-lower alkyl, substituted phenyl, substituted phenyl-lower alkyl, or certain heterocyclic groups; R.sub.5 is hydrogen or lower alkyl; R.sub.6 is lower alkyl; and X is hydrogen, lower alkanoyloxy, ##STR3## or certain heterothio groups; are disclosed. These compounds are useful as antibacterial agents.Type: GrantFiled: April 5, 1976Date of Patent: June 27, 1978Assignee: E. R. Squibb & Sons, Inc.Inventors: Hermann Breuer, Uwe D. Treuner
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Patent number: 4082807Abstract: Aromatic 1,3-diketones are produced by reacting aromatic compounds with acetoacetyl fluoride optionally substituted in the .gamma.-position by fluorine, chlorine and/or bromine, in hydrofluoric acid of at least 90% strength at a temperature of from about -40.degree. to +50.degree. C. The products obtained are important starting products and intermediates for the manufacture of dyestuffs, plastics and pharmaceuticals. Furthermore they can be used for the formation of metal complexes and as metal extracting agents, solution intermediaries and solvents.Type: GrantFiled: July 30, 1975Date of Patent: April 4, 1978Assignee: Hoechst AktiengesellschaftInventor: Kurt Eiglmeier