Cyano Is Attached Directly Or Indirectly By Nonionic Bonding To Carbon That Is Multiple Bonded To Another Carbon Patents (Class 558/449)
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Patent number: 6037487Abstract: A method of using compounds of formula I ##STR1## in which the C.dbd.C double bond is present in E and/or Z configuration and the variables R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings defined in the specification disclosure, as UV filters, particularly UV-A filters, in cosmetic and pharmaceutical formulations for the protection of the human skin or human hair from solar radiation, alone or together with compounds known per se in cosmetic and pharmaceutical formulations and capable of absorbing radiation in the UV range.Type: GrantFiled: March 12, 1999Date of Patent: March 14, 2000Assignee: BASF AktiengesellschaftInventors: Thorsten Habeck, Alexander Aumuller, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch
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Patent number: 5959058Abstract: Use of fluorinated polymers based on fluoropolyethers for the preparation of crosslinkable high dry formulations comprising a fluorinated part R.sub.F and optionally an hydrogenated part R.sub.H, not containing groups capable of linking by means of hydrogen bonds to basic acceptors, an hydrogenated part Rh.sub.1 and Rh.sub.2, wherein Rh.sub.1 is equal to or different from Rh.sub.2, and Rh.sub.1 and/or Rh.sub.2 being linking bonds containing at least a functional group capable of linking by means of hydrogen bonds with basic acceptors, the bonds joining the fluorinated part to the hydrogenated part being of ether C--O simple type, the terminals T'.sub.a and T" being such as to render the structure mono-, bi- or polyfunctional, and subsequent crosslinking of the fluorinated polymer, the monofunctional products being always in admixture with a resin having even a higher functionality than the described type; the preferred fluorinated products have the formula:T"--(Rh.sub.2).sub.y (R.sub.H).sub.x --R.sub.F --(R.Type: GrantFiled: March 11, 1996Date of Patent: September 28, 1999Assignee: Ausimont S.p.A.Inventors: Claudio Tonelli, Massimo Scicchitano, Stefano Turri
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Patent number: 5717037Abstract: A perfluoro unsaturated nitrile compound represented by the following general formula:CF.sub.2 .dbd.CFO(CF.sub.2)nOCF(CF.sub.3)CNis produced by reaction of chlorine or bromine to a perfluoro unsaturated carboxylic acid ester represented by the following general formula:CF.sub.2 .dbd.CFO(CF.sub.2)nOCF(CF.sub.3)COORfollowed by reaction with ammonia, thereby converting the ester group to an acid amide group, and then conducting a dehydration reaction and a dehalogenation reaction of the resulting perfluoro unsaturated carboxylic acid amide represented by the following general formula:CF.sub.2 .dbd.CFO(CF.sub.2)nOCF(CF.sub.3)CONH.sub.2in any desired sequence, and is effectively applied as a cross-linking site monomer for fluorine-containing elastomers.Type: GrantFiled: October 18, 1996Date of Patent: February 10, 1998Assignees: Nippon Mektron Limited, The Central Synthetic Rubbers Research InstituteInventors: Satoru Saito, Riichi Iwa, Haruyoshi Tatsu, Rondarev Dmitrii Stefanovich, Sokolov Sergey Vasilyevich, Berenblit Vsevolod Vulfovich
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Patent number: 5621145Abstract: When a novel bisamidoxime compound represented by the following general formula: ##STR1## where R is an alkylidene group having 1 to 6 carbon atoms, or a perfluoroalkylidene group having 1 to 10 carbon atoms, is used as a vulcanizing agent for fluorine-containing elastomers having cyano groups as cross-linkable groups, the resulting vulcanizates having a satisfactory compression set are obtained without any problem of processability such as roll kneadability, etc.Type: GrantFiled: January 5, 1996Date of Patent: April 15, 1997Assignee: Nippon Mektron, LimitedInventors: Satoru Saito, Haruyoshi Tatsu, Lev Solomonovich, deceased, Ziefman Y. Vilovich, Postovoi S. Anatol'evich, Sterlin S. Rafailovich
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Patent number: 5393917Abstract: A process for isolating and purifying oxadimethacrylics of the general formula ICH.sub.2 .dbd.C(A)CH.sub.2 --O--CH.sub.2 C(B).dbd.CH.sub.2 Iwhere A and B are selected from the group consisting of --COOR.sup.1, --COR.sup.1, --CONR.sup.2 R.sup.3 and --CN and R.sup.1, R.sup.2 and R.sup.3 are each defined as follows:R.sup.1 is hydrogen, alkyl, substituted or unsubstituted cycloalkyl or cycloalkylalkyl, hydroxyalkyl, aminoalkyl, N-alkylaminoalkyl, N,N-dialkylaminoalkyl, substituted or unsubstituted aryl or arylalkyl,R.sup.2 and R.sup.3 are each hydrogen, alkyl, substituted or substituted cycloalkyl or cycloalkylalkyl, substituted or unsubstituted aryl or arylalkyl,comprises precipitating or crystallizing them from their solutions that contain at least one liquid hydrocarbon compound.Type: GrantFiled: December 16, 1993Date of Patent: February 28, 1995Assignee: BASF AktiengesellschaftInventors: Siegmund Besecke, Andreas Deckers, Harald Lauke
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Patent number: 5304661Abstract: Acyclic terpene compounds useful as intermediates for producing sarcophytol A which have an anti-carcinogenic promotor activity and anti-tumor activity, which compounds are shown by the general formula (I): ##STR1##Type: GrantFiled: April 9, 1993Date of Patent: April 19, 1994Assignee: Mitsubishi Kasei CorporationInventors: Hisao Takayanagi, Yasunori Kitano, Yasuhiro Morinaka
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Patent number: 5294602Abstract: The 3-(hexenyloxy)-propane-nitriles of general formula A, in which R.sup.1 and R.sup.2 are optionally a hydrogen atom or a methyl group and R.sup.3 is an unbranched hexenyl group, are new and are useful as odour materials such as ingredients for perfume compositions. Their production is carried out through the base catalysed addition of acrylonitrile or methyl substituted acrylonitrile to the unbranched hexenol, in which the reaction temperature is between 0.degree. and 50.degree. C. (for acrylonitrile especially between 0.degree. and 10.degree. C., for crotonitrile especially between 15.degree. and 25.degree. C. and for methacrylonitrile, especially between 30.degree. and 40.degree. C.), and the aforesaid base is benzyl trimethylammonium hydroxide (Triton B).Type: GrantFiled: November 20, 1991Date of Patent: March 15, 1994Inventors: Ernst-Joachim Brunke, Karl-Georg Fahlbusch
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Patent number: 5268511Abstract: A two step process, each of the steps being novel, for the production of trifluorovinyl ethers by reaction of a siloxane with selected acyl fluorides or carboxylic anhydrides, is disclosed. Also disclosed is a novel silyl ester intermediate.Type: GrantFiled: March 27, 1992Date of Patent: December 7, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: William B. Farnham
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Patent number: 5229107Abstract: The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbing chromophore. The chromophore moieties are covalently bonded together such that the electron systems of these moieties are not directly coupled.The present invention further relates to sunscreen compositions containing the hereinbefore described type of sunscreen agents. Furthermore, the present invention relates to methods for protecting the skin of humans or lower animals from the effects of UVA and UVB wavelength radiation. This method comprises topically applying to the skin an effective coating of a sunscreen composition of the present invention.Type: GrantFiled: August 5, 1992Date of Patent: July 20, 1993Assignee: The Procter & Gamble CompanyInventors: Anthony D. Sabatelli, Josephine A. Spirnak
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Patent number: 5077426Abstract: A process for preparing .alpha.-formylamino nitriles of the formula Ia ##STR1## and Ib ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and each is hydrogen or unsubstituted or substituted, with substituents which are inert under the reaction conditions, aliphatic or heteroaliphatic radicals with 1 to 10, cycloaliphatic or heterocycloaliphatic radicals with 3 to 6, araliphatic radicals with 7 to 12, heteroaraliphatic radicals with 4 to 12, aromatic radicals with 6 to 10 or heteroarometic radicals with 3 to 10 carbon atoms, with the priviso that at least one of R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 is hydrogen, comprises reacting an iminodiacetonitrile of the formula II ##STR3## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the abovementioned meanings, with formamide of the formula III ##STR4## in the presence of formic acid or with a compound which provides formic acid, in the presence of acids.Type: GrantFiled: December 13, 1990Date of Patent: December 31, 1991Assignee: BASF AktiengesellschaftInventors: Rolf Fikentscher, Michael Kroener
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Patent number: 5077427Abstract: A process for preparing .alpha.-formylamino nitriles of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or unsubstituted or substituted, with substituents which are inert under the reaction conditions, aliphatic or heteroaliphatic radicals with 1 to 10, cycloaliphatic or heterocycloaliphatic radicals with 3 to 6, araliphatic radicals with 7 to 12, heteroaraliphatic radicals with 4 to 12, aromatic radicals with 6 to 10 or heteroaromatic radicals with 3 to 10 carbon atoms, by reacting cyanohydrins of the formula II ##STR2## with the formamide III ##STR3## in the presence of acids, entails adding at least one ammonium salt to the reaction mixture.Type: GrantFiled: December 13, 1990Date of Patent: December 31, 1991Assignee: BASF AktiengesellschaftInventors: Rolf Fikentscher, Michael Kroener
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Patent number: 5030748Abstract: New composition of monomers and polymers and their methods of use are disclosed. The polymers are water soluble and are composed of repeat units formed from an ethylenically unsaturated compound, and repeat units formed from substituted allyloxy alkylenes.Type: GrantFiled: October 27, 1989Date of Patent: July 9, 1991Assignee: Betz Laboratories, Inc.Inventors: Fu Chen, William Carey
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Patent number: 5023362Abstract: Ketoester of the formula ##STR1## .alpha.-carboxylate-.omega.-acyl fluoride of the formula ##STR2## vinyl ether of the formula ##STR3## divinyl ether of the formula ##STR4## allyl ether of the formula ##STR5## and film-forming copolymers, useful as molding resins, of the vinyl ether and/or the divinyl ether or the allyl ether and a fluorinated vinyl monomer, for example, tetrafluoroethylene, wherein, in the above formulas, n is 0 to 6, p is 0 to 7, X is CO.sub.2 M, CO.sub.2 R, CO.sub.2 H, CONH.sub.2, COF, COCl or Cn, M is alkali metal, ammonium or quaternary ammonium and R is C.sub.1-8 alkyl, selected copolymers, after hydrolysis, being water-wettable and dyeable, exhibiting ion-exchange properties and being useful in curable fluoroelastomer compositions and, in film form, as the membrane in a chloroalkali electrolysis cell.Type: GrantFiled: June 19, 1987Date of Patent: June 11, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventor: Carl G. Krespan
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Patent number: 4879310Abstract: The invention relates to new cyanonhydrin iodopropargyl ethers of the formula ##STR1## in which R denotes C.sub.1 -C.sub.10 -alkyl, C.sub.2 -C.sub.10 -alkenyl, C.sub.5-C.sub.8 -cycloalkyl or -cycloalkenyl, which can be optionally substituted by C.sub.1 -C.sub.4 -alkyl or halogen, a process for their preparation and their use as microbicides for the preservation of industrial materials.Type: GrantFiled: May 3, 1988Date of Patent: November 7, 1989Assignee: Bayer AktiengesellschaftInventors: Gerold Schade, Wilfried Paulus, Hans-Georg Schmitt
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Patent number: 4851161Abstract: .beta.-substituted polyfluoropropionate salts, derivatives and copolymers and processes for the preparation thereof.Type: GrantFiled: December 16, 1986Date of Patent: July 25, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventor: Carl G. Krespan
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Patent number: 4797492Abstract: A novel compound useful as an intermediate for synthesizing pesticides and medicines of the formula: ##STR1## in which: R is alkyl having plural florines; R.sup.1 is hydrogen, alkyl, halogen or optionally substituted phenyl; and R.sup.2 is hydrogen or alkyl, or a salt thereof.Type: GrantFiled: October 22, 1986Date of Patent: January 10, 1989Assignee: Shionogi & Co., Ltd.Inventors: Shinzaburo Sumimoto, Ichiro Ishizuka, Hiroyuki Kai, Shiro Ueda, Akira Takase
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Patent number: 4686236Abstract: 3-(3-iodopropargyloxy)-propionitrile of the formulaIC.tbd.C--CH.sub.2 --O--CH.sub.2 --CH.sub.2 --CNis prepared by iodination of propargyloxypropionitrile. The 3-(3-iodopropargyloxy)-propionitrile is used as an active compound in microbicidal agents.Type: GrantFiled: July 3, 1986Date of Patent: August 11, 1987Assignee: Bayer AktiengesellschaftInventors: Gerold Schade, Wilfried Paulus, Hans-Georg Schmitt
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Patent number: 4667051Abstract: Compounds of the formula I ##STR1## where R is alkyl of 1 to 10, preferably 1 to 4, carbon atoms, X is O or S, Y is hydrogen or nitrophenyl which is unsubstituted or substituted by chlorine, bromine, methoxy or methyl, when n is 1, and is C.sub.2 -C.sub.6 -alkylene when n is 2, and Z is cyano or 2-benzimidazolyl, are prepared by a process in which an iminoether of the formula II ##STR2## is reacted with a compound of the formula III ##STR3## where A.sup..crclbar. is an anion. The compounds prepared according to the invention are useful intermediates, for example for the preparation of diazo components.Type: GrantFiled: May 27, 1986Date of Patent: May 19, 1987Assignee: BASF AktiengesellschaftInventor: Ernst Schefczik
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Patent number: 4578512Abstract: Novel vinyl ethers are prepared in decarboxylation reactions of novel acid fluoride compounds according to the following reaction: ##STR1## wherein a is 0 or an integer greater than 0;b is 0 or an integer greater than 0;n=1 or an integer greater than 1;R.sub.f and R.sub.f ' are independently selected from the group consisting of F, Cl, perfluoroalkyl or fluorochloroalkyl;X=F, Cl, Br or mixtures thereof when n>1X'=Cl or Br;Y is an acid group or an acid derivative easily convertible to an acid group;Z=F, Cl, Br, OH, NRR' or OA;R and R' are independently selected from the group consisting of hydrogen, an alkyl having one or more than one carbon atoms, and aryl; andA=alkali metal, quaternary nitrogen, or R.These vinyl ethers may be homopolymerized with themselves or copolymerized with other vinyl ethers.Type: GrantFiled: February 4, 1982Date of Patent: March 25, 1986Assignee: The Dow Chemical CompanyInventors: Bobby R. Ezzell, William P. Carl, William A. Mod
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Patent number: 4576759Abstract: The polysubstituted dienes according to the invention correspond to the general formula: ##STR1## in which: X denotes a group chosen from the groups SH, SR.sup.3, OR.sup.3, SeR.sup.3, NHR.sup.3 and N.dbd.R.sup.3 in which R.sup.3 denotes an aliphatic or cyclic, saturated or unsaturated group containing from 1 to 20 carbon atoms,Y denotes a group chosen from the groups C.tbd.N and ##STR2## where R.sup.4 denotes hydrogen or an aliphatic or cyclic, saturated or unsaturated group containing from 1 to 20 carbon atoms, provided that, when X denotes the group SCH.sub.3, Y does not denote the group ##STR3## and, when X denotes an OR.sup.3 group where R.sup.3 is an alkyl group containing at least three carbon atoms, Y does not denote the group C.tbd.N,R.sup.1 denotes hydrogen, halogen or an aliphatic, substituted or unsubstituted group containing from 2 to 8 carbon atoms,R.sup.Type: GrantFiled: June 20, 1984Date of Patent: March 18, 1986Assignee: SOLVAY & Cie (Societe Anonyme)Inventors: Heinz Viehe, Nadine S. Mesmaeker, Robert Merenyi