Carbocyclic Ring Containing Patents (Class 546/191)
  • Patent number: 4751073
    Abstract: 2,2,6,6-tetraalkyl-4-piperidinyl derivatives and, more specifically, the N,N'-bis(2,2,6,6-tetraalkyl-4-piperidene)2,2'-diamino-2,2'-dihydrocarbyl divinyl ketones wherein the alkyl groups have independently from one to about eight carbon atoms and said hydrocarbyl moieties are selected from the group consisting of alkyls having between one and about eight carbon atoms, aryl, alkaryl, and aralkyl groups having between one and about twenty carbon atoms.These compounds are useful as UV light stabilizers in plastics and cosmetics (e.g. sunscreens).
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: June 14, 1988
    Assignee: Olin Corporation
    Inventor: Robert J. Raynor
  • Patent number: 4719218
    Abstract: A method of inhibiting the production of 5-lipoxygenase products in an animal in need thereof which comprises administering an effective, 5-lipoxygenase pathway inhibiting amount of a 2(3)-(pyridyl)-3-(2)-substituted phenyl)-6,7-dihydro-[5H]-pyrrolo-[1,2-a]imidazole, a 2(3)-(pyridyl)-3(2)-(substituted phenyl)-5,6,7,8-tetrahydro-imidazo[1,2,-a]pyridine, or a pharmaceutically acceptable salt thereof, to such animal.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: January 12, 1988
    Assignee: SmithKline Beckman Corporation
    Inventors: Paul E. Bender, Nabil Hanna
  • Patent number: 4716187
    Abstract: both R.sub.1 's and CH.sub.3 or together form --CH.sub.2).sub.5 ;both R.sub.2 's are CH.sub.3 or together form --CH.sub.2).sub.5 ;R.sub.3 has a significance of R, independently of R, except for oxygen;X is --O--, --NH-- or ##STR2## m is an integer from 1 to 4 inclusive; R.sub.4 is a saturated or unsaturated aliphatic group unsubstituted or substituted by one or two groups selected from --OH and C.sub.1-4 alkoxy and which can be interrupted by an oxygen or sulphur atom; or an aromatic group unsubstituted or substituted by one or two groups selected from --OH, C.sub.1-4 alkyl and C.sub.1-4 alkoxy are useful as U.V. light stabilizers in polymeric organic compounds.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: December 29, 1987
    Assignee: Sandoz Ltd.
    Inventor: Lajos Avar
  • Patent number: 4707305
    Abstract: This invention provides a novel class of naphthoquinodimethane compositions. Illustrative of the invention is 11,11-di(n-hexyldecylamino)-12,12-dicyano-2,6-naphthoquinodimethane: ##STR1## An invention naphthoquinodimethane compound has utility as a nonlinear optical component in an electrooptic light modulator device.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: November 17, 1987
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Alan Buckley, Anthony F. Garito
  • Patent number: 4695600
    Abstract: These compounds are useful as light stabilizers in polymeric systems. ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are organic radicals.
    Type: Grant
    Filed: June 17, 1986
    Date of Patent: September 22, 1987
    Assignee: Sandoz Ltd.
    Inventor: Lajos Avar
  • Patent number: 4670592
    Abstract: A bisbiguanide compound of the formula:R.sup.1 R.sup.2 N.C(:NR.sup.6)NH.C(:NH)NH.CH.sub.2 X-- --(CH.sub.2).sub.3 NH.C(:NH)NH.C(:NR.sup.7)NR.sup.3 R.sup.4 Vor a tautomer thereof, wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 which may be the same or different, are each hydrogen, a 1-16C alkyl radical, a 2-16C alkoxyalkyl radical, a 3-12C cycloalkyl radical, a (3-12C cycloalkyl)-(1-4C alkyl) radical, or an optionally substituted phenyl or phenyl(1-4C alkyl) radical, or R.sup.1 and R.sup.2 and the nitrogen atom to which they are attached, or R.sup.3 and R.sup.4 and the nitrogen atom to which they are attached, which may be the same or different, are each a 1-azetidinyl, 1-pyrrolidinyl, piperidino, hexamethyleneimino, heptamethyleneimino, morpholino or 4-(1-8C alkanoyl)-1-piperazinyl radical each of which may bear 1-3C alkyl substituents; each of R.sup.6 and R.sup.7, which may be the same or different, is hydrogen or a 1-8C alkyl radical; and X is a substituted ethylene or ethylidene radical of the formula:--CH.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: June 2, 1987
    Assignee: Imperial Chemical Industries PLC
    Inventors: Murdoch A. Eakin, Philip N. Edwards, Michael S. Large
  • Patent number: 4666905
    Abstract: Novel chemical compounds which are diphenylmethylene piperidine compounds are provided, as well as methods for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. The compounds have pharmacological properties especially anticholinergic properties, and are useful as antiemetic, antihistamine, pulmonary, antiallergy, and antispasmodic agents.
    Type: Grant
    Filed: September 9, 1986
    Date of Patent: May 19, 1987
    Assignee: Warner-Lambert Company
    Inventors: David A. Downs, Haile Tecle
  • Patent number: 4628094
    Abstract: Tris(disubstituted amino)sulfonium perfluoroalkoxides and tris(disubstituted amino)sulfonium perfluoroalkylmercaptides and process for their preparation.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: December 9, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William B. Farnham, William J. Middleton
  • Patent number: 4609698
    Abstract: Oligomeric esters of the formula I or II ##STR1## in which n has a value from 1 to 3, R.sup.1 and R.sup.2 are divalent organic radicals, at least one of which contains a polyalkylpiperidine radical of the formula III ##STR2## in which R is hydrogen or C.sub.1 -C.sub.4 -alkyl and E and E' are end groups, are prepared by polycondensing a dicarboxylic acid ester with a diol, one of the two components being used in a molar excess of 33 to 100%. The end groups of these oligoesters can be modified by reaction with a monofunctional component. If two different dicarboxylic acid esters or diols are used, the corresponding co-oligoesters are obtained. All these oligoesters are valuable light stabilisers for light-sensitive organic material, especially for polymer.
    Type: Grant
    Filed: April 26, 1985
    Date of Patent: September 2, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Friedrich Karrer, Jean Rody
  • Patent number: 4607104
    Abstract: 2,2,6,6-tetraalkyl-4-piperidylamines are produced by reacting an amine with a 2,2,6,6-tetraalkyl-4-piperidone in the presence of a catalyst selected from the group consisting of platinum, nickel and cobalt, employing a reaction medium comprising (a) between about 10 and 100 weight percent water and (b) between 0 and about 90 weight percent of a polar organic compound selected from the group consisting of C.sub.1 -C.sub.10 aliphatic alcohols and C.sub.2 -C.sub.6 aliphatic glycols.
    Type: Grant
    Filed: July 11, 1985
    Date of Patent: August 19, 1986
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Russell E. Malz, Jr., Harold Greenfield
  • Patent number: 4607030
    Abstract: The invention relates to 2-aminomethylphenols of the formula I ##STR1## in which R.sup.1 and R.sup.2 represent hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or benzyl which is optionally substituted by alkyl, alkoxy or halogen, R.sup.3 and R.sup.5 denote hydrogen, halogen, alkyl or alkoxy, R.sup.4 denotes halogen, alkyl or cycloalkyl and R.sup.6 and R.sup.7 represents hydrogen or alkyl, it being possible for the radicals R.sup.1 and R.sup.2, R.sup.6 and R.sup.7 and/or two of the radicals R.sup.3, R.sup.4 and R.sup.5 to form an alkylene chain which is optionally substituted by methyl groups and which, in the case of the radicals R.sup.1, R.sup.2, R.sup.6 and R.sup.7, can also be interrupted by oxygen atoms, sulfur atoms and/or imino groups, and to physiologically acceptable salts thereof, a process for their preparation, and their use and to pharmaceutical formulations based on these compounds.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: August 19, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich C. Englert, Dieter Mania, Roman Muschaweck, Max Hropot
  • Patent number: 4605743
    Abstract: 2,2,6,6-tetraalkyl-4-piperidylamines are produced by reacting an amine with a 2,2,6,6-tetraalkyl-4-piperidone in the presence of a palladium catalyst.
    Type: Grant
    Filed: April 16, 1985
    Date of Patent: August 12, 1986
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Russell E. Malz, Jr., Harold Greenfield
  • Patent number: 4602087
    Abstract: The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C.sub.1-3 -alkylene-CON(R.sub.4)--CON(R.sub.4)--, --O--C.sub.1-3 alkylene-COO--, OCO or --COO--, with the proviso that if n+n'=O, X and X' may not be --CON(R.sub.4)-- or O--C.sub.1-3 -alkylene-CON(R.sub.4)--, and if n+n'=2 and X and X' are --CON(R.sub.4)-- or --COO--, A.sup..crclbar. may not be a phosphite or phosphonate anion, and Y and Y' independently of one another are C.sub.1-20 -alkyene, R.sub.1 and R.sub.1 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, R.sub.1 together with R.sub.2, or R.sub.1 ' together with R.sub.2 ', is a heterocyclic ring, R.sub.2 and R.sub.2 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.2 together with R.sub.1, or R.sub.2 ' together with R.sub.1 ', is a heterocyclic ring, or R.sub.1 and R.sub.2, or R.sub.1 ' and R.sub.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: July 22, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian Luthi, Hans R. Meyer, Kurt Weber
  • Patent number: 4587296
    Abstract: Additives for rubber compositions, giving vulcanisates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO.sub.2 R linked by an organic bridging group, or polymers containing two or more groups of the formula --S--SO.sub.2 R attached to an organic polymer chain, where R represents (a) a radical OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent in derived by the addition of a proton to a nitrogenous base, or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogenous base, or (b) an organic radical selected from aliphatic, cycloaliphatic, aromatic and heterocyclic radicals, and radicals which are combinations of any two or more such radicals.
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: May 6, 1986
    Assignee: Monsanto Europe, S.A.
    Inventor: Philippe G. Moniotte
  • Patent number: 4567257
    Abstract: Disclosed is a novel class of amidinium salts having the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 when taken individually are independently selected from lower-alkyl, aralkyl and cycloalkyl, and, when taken together with the respective nitrogen atoms to which they are attached, R.sub.1 together with R.sub.2, and R.sub.3 together with R.sub.4 independently represent heterocyclic groups having 5 to 7 ring atoms, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are independently selected from hydrogen, lower-alkyl, aryl, aralkyl, and cycloalkyl.The amidinium salts are very active catalysts for converting organic isocyanates to products containing isocyanurate and carbodiimide linkages.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: January 28, 1986
    Assignee: The Upjohn Company
    Inventor: Dale F. Regelman
  • Patent number: 4556649
    Abstract: Insecticidally active novel substituted malonic acid diamide insecticides of the formula ##STR1## wherein R.sup.1 represents aryl or heteroaryl, each of which can optionally be substituted,R.sup.2 represents hydrogen or trialkylsilyl, and represents alkyl, cycloalkyl, alkenyl, alkinyl, aralkyl, alkylcarbonyl, arylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, alkylsulphenyl, arylsulphenyl, alkylsulphonyl, arylsulphonyl, alkylaminosulphonyl, dialkylaminosulphonyl, arylaminosulphonyl or arylalkylaminosulphonyl, each of which can optionally be substituted, and represents radicals of the formula--CO--NR.sup.5 R.sup.6whereinR.sup.5 and R.sup.6 independently of one another represent hydrogen, alkyl, cycloalkyl, aryl, alkylaminocarbonyl, arylaminocarbonyl, alkylcarbonyl, arylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, alkylsulphonyl or arylsulphonyl, it being possible for these radicals to be optionally substituted,R.sup.3 represents hydrogen or the radical R.sup.4,R.sup.7 and R.sup.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: December 3, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Salzburg, Rudolf Fauss, Kurt Findeisen, Bernhard Homeyer
  • Patent number: 4546148
    Abstract: Novel polycondensed compounds containing piperidine groups of polycarbamate structure, of the general formula: ##STR1##
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: October 8, 1985
    Assignee: Ciba-Geigy S.p.A.
    Inventor: Giuseppe Cantatore
  • Patent number: 4540780
    Abstract: Novel chemical compounds which are diphenylmethylene piperidine compounds are provided, as well as methods for their production, pharmaceutical compositions comprising the compounds, and methods of treatment using the compounds in dosage form. The compounds have both anticholinergic and antidopaminergic properties, and are useful as antiemetic, antihistamine, pulmonary, antiallergy, and antispasmodic agents.
    Type: Grant
    Filed: June 2, 1983
    Date of Patent: September 10, 1985
    Assignee: Warner-Lambert Company
    Inventors: David A. Downs, Haile Tecle
  • Patent number: 4535184
    Abstract: Tris(disubstituted amino)sulfonium perfluorocarbanion salts and process for their preparation.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: August 13, 1985
    Assignee: E. I. Du Pont De Nemours and Company
    Inventor: William J. Middleton
  • Patent number: 4530925
    Abstract: Compounds are described of the formulae (1a) and (1b) ##STR1## in which: --COR.sup.1 is an ester group,n is 1 or 2,W is C.sub.1-7 alkylene,X is cis or trans --CH.dbd.CH or --CH.sub.2 CH.sub.2 --,Y is a saturated heterocyclic amino group,R.sup.2 is substituted or unsubstituted phenylalkyl, thienylalkyl or naphthylalkyl or cinnamyl, andR.sup.3 is --H or C.sub.1-5 alkanoyl, including their salts.These compounds inhibit blood platelet aggregation and bronchoconstriction and may be formulated for use as antithrombotic or antiasthmatic agents.
    Type: Grant
    Filed: March 14, 1984
    Date of Patent: July 23, 1985
    Assignee: Glaxo Group Limited
    Inventors: Eric W. Collington, Peter Hallett, Christopher J. Wallis, John Bradshaw
  • Patent number: 4528374
    Abstract: Novel oligomer or polymer polyamine-1,3,5-triazines containing at least one polyalkylpiperidine radical, for example that of the formula ##STR1## processes for their production, their use for stabilizing organic material, and the organic material protected therewith against oxidative and light-induced degradation.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: July 9, 1985
    Assignee: Ciba-Geigy Corporation
    Inventor: Erwin Nikles
  • Patent number: 4526971
    Abstract: A process for producing polyalkylpiperidylamines of the formula (I): ##STR1## wherein R.sub.1 is hydrogen or a C.sub.1 -C.sub.12 alkylradical; R.sub.2 and R.sub.3 are each C.sub.1 -C.sub.5 alkylradicals or R.sub.2 and R.sub.3, taken together, are --(CH)--.sub.a or --CH.sub.2 --NR.sub.1 --C(R.sub.5,R.sub.6)--CH.sub.2 --; R.sub.4 is a C.sub.2 -C.sub.18 alkylene radical, which is unsubstituted or substituted by C.sub.1 -C.sub.3 alkyl; a C.sub.5 -C.sub.12 cycloalkylene radical, which is unsubstituted or is methyl-substituted; a cycloalkylene radical of the formula ##STR2## where the cyclohexyl rings are unsubstituted or are methyl-substituted; or groups of the formula --(CH.sub.2).sub.k --X--[CH.sub.2).sub.m --X]--.sub.n (CH.sub.2).sub.p --, where X is --O--, --NH--, --NR.sub.5 and R.sub.5 and R.sub.6 are each a C.sub.1 -C.sub.
    Type: Grant
    Filed: March 30, 1984
    Date of Patent: July 2, 1985
    Assignee: Chemische Werke Huls Aktiengesellschaft
    Inventors: Josef Disteldorf, Manfred zur Hausen, Werner Hubel, Gunter Kriebel
  • Patent number: 4526972
    Abstract: This invention relates to ultraviolet light stabilizing hindered polyoxyalkylene polyamines. The products of the present invention can be utilized as ultraviolet light stabilizers for a wide variety of commercial products such as water base paints, oil base paints, polyethylenes, polypropylenes, polyurethanes, etc. The products have the formula: ##STR1## wherein: R represents an alkylene, alkyl, aralkyl, alkaryl or aryl group containing 1 to 24 carbon atoms,R' represents hydrogen, methyl or ethyl,n represents a number having an average value of 1 to 70, andx represents an integer having a value of 1 to 3.In a modified form of the invention, the products are useful also to inhibit oxidation of such products.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: July 2, 1985
    Assignee: Texaco Inc.
    Inventors: George P. Speranza, Robert A. Grigsby, Jr.
  • Patent number: 4486428
    Abstract: Bicyclic fused benzenoid compounds of the formula ##STR1## and pharmaceutically acceptable cationic and acid addition salts thereof, where M is O, CH.sub.2 or NR.sub.6 ; R.sub.6 is hydrogen, formyl, carbobenzyloxy or certain carboalkoxyalkyl, alkanoyl, alkyl, aralkyl or aralkylcarbonyl groups;A' is:(1) A where one of A and B is hydrogen such that when A is hydrogen, B is C(R.sub.2 R.sub.3)(CH.sub.2).sub.f Q and f is 1 or 2; when B is hydrogen, A is C(R.sub.2 R.sub.3)(CH.sub.2).sub.f Q and f is 0 or 1, when taken together A and OR.sub.1 form a lactone or certain derivatives thereof;(2) A' is ##STR2## (3) A' is Q.sub.3 ; Q is CO.sub.2 R.sub.7, COR.sub.8, C(OH)R.sub.8 R.sub.9, CN, CONR.sub.12 R.sub.13, CH.sub.2 NR.sub.12 R.sub.13, CH.sub.2 NHCOR.sub.14, CH.sub.2 NHSO.sub.2 R.sub.17 or 5-tetrazoyl;Q.sub.3 is ##STR3## 5-tetrazolyl, CH.sub.2 CONHCOR.sub.7, COOH or certain ester, amide, carboximido or sulfonimido derivatives thereof, CONHOH, CONHCONH.sub.2, or COCH.sub.2 Q.sub.4 where Q.sub.
    Type: Grant
    Filed: January 13, 1983
    Date of Patent: December 4, 1984
    Assignee: Pfizer Inc.
    Inventors: James F. Eggler, Michael R. Johnson, Lawrence S. Melvin, Jr.
  • Patent number: 4482549
    Abstract: Compounds are described of the formula ##STR1## in which --COR.sup.1 is a complex ester or thioester group,W is alkylene,X is cis or trans --CH.dbd.CH or --CH.sub.2 CH.sub.2 --,n is 1 or 2,Y is a saturated heterocyclic amino group having 5-8 ring members, andR.sup.2 is unsubstituted or substituted phenylalkyl, thienzlalkyl, naphthylalkyl or cinnamyl, and their salts and solvates.These compounds inhibit blood platelet aggregation and bronchoconstriction and may be formulated for use as antithrombotic and antiasthmatic agents.
    Type: Grant
    Filed: February 8, 1984
    Date of Patent: November 13, 1984
    Assignee: Glaxo Group Limited
    Inventors: Eric W. Collington, Peter Hallett, Christopher J. Wallis, Norman F. Hayes, John Bradshaw, Malcolm Carter, Alan Wadsworth
  • Patent number: 4481148
    Abstract: Hydroxyl-containing liquid polymers having an aliphatic polymeric backbone and sulfide linkages near the terminal portions of the polymer molecule are prepared by polymerizing (1) at least one of selected vinylidene monomers having at least one terminal CH.sub.2 .dbd.C< group per monomer molecule, together with (2) at least one hydroxyl-containing disulfide in the presence of (3) ultraviolet radiation.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: November 6, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: Changkiu K. Riew
  • Patent number: 4477616
    Abstract: Tetra-2,2,6,6-tetramethyl-4-piperidinyl)-3-methyl-5-(1',2'-biscarboxylate)- ethyl-cyclohexane or 3-cyclohexene-1,2-dicarboxylates are provided having the formula (I) or (II): ##STR1## wherein: R.sub.1 is selected from the group consisting of hydrogen, --O, alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms, acyl having from one to about eighteen carbon atoms, cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms;R.sub.2 is lower alkyl having from one to about six carbon atoms; andX is selected from the group consisting of: ##STR2## as well as stabilized synthetic resin compositions comprising such piperidinyl compounds.
    Type: Grant
    Filed: March 3, 1983
    Date of Patent: October 16, 1984
    Assignee: Adeka Argus Chemical Co., Ltd.
    Inventors: Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata
  • Patent number: 4468352
    Abstract: The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C.sub.1-3 -alkylene-CON(R.sub.4)----CON(R.sub.4)--, --O--C.sub.1-3 -alkylene-COO--, OCO or --COO--, with the proviso that if n+n'=O, X and Y' may not be --CON(R.sub.4)-- or O--C.sub.1-3 -alkylene-CON(R.sub.4)--, and if n+n'=2 and X and X' are --CON(R.sub.4)-- or --COO--, A.sup..crclbar. may not be a phosphite or phosphonate anion, and Y and Y' independently of one another are C.sub.1-20 -alkylene, R.sub.1 and R.sub.1 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.1 together with R.sub.2, or R.sub.1 ' together with R.sub.2 ', is a heterocyclic ring, R.sub.2 and R.sub.2 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.2 together with R.sub.1, or R.sub.2 ' together with R.sub.1 ', is a heterocyclic ring, or R.sub.1 and R.sub.2, or R.sub.1 ' and R.sub.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: August 28, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian Luthi, Hans R. Meyer, Kurt Weber
  • Patent number: 4468243
    Abstract: Formamidine sulphides and disulphides endowed with herbicide activity are disclosed.The processes for their preparation, their use as herbicides and herbicidal compositions thereof are disclosed too.
    Type: Grant
    Filed: March 9, 1982
    Date of Patent: August 28, 1984
    Assignee: Montedison S.p.A.
    Inventors: Roberto Colle, Franco Gozzo, Ciro Preziuso
  • Patent number: 4463001
    Abstract: The present invention relates to new 6-substituted 6H-dibenzo [b,d]pyran derivatives, to a process for their preparation and pharmaceutical and veterinary compositions containing them.
    Type: Grant
    Filed: October 1, 1981
    Date of Patent: July 31, 1984
    Assignee: Farmitalia Carlo Erba S.p.A.
    Inventors: Piero Melloni, Paolo Salvadori, Pier P. Lovisolo
  • Patent number: 4460725
    Abstract: Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester or ether groups are provided, comprising polymeric units having the structure ##STR1## wherein X is selected from the group consisting of: ##STR2## R.sub.1 is selected from the group consisting of hydrogen, --O, alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms, acyl having from one to about eighteen carbon atoms, cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms;R.sub.2 is hydrogen or hydroxy;n.sub.1 is 0 or 1;R.sub.3 is lower alkyl having from one to about six carbon atoms; andn is the average number of such units in the polymer; as well as stabilized synthetic resin compositions comprising such polyethers.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: July 17, 1984
    Inventors: William E. Leistner, Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata, Ryozo Arata
  • Patent number: 4444928
    Abstract: Polymers or oligometic compounds of the general formula ##STR1## in which X, X.sup.a and X.sup.b are an ester, amide or cyano group, Y, Y.sup.a and Y.sup.b are --O-- or --NR.sup.10 --, R.sup.1, R.sup.1a and R.sup.1b are a group which contains a polyalkylpiperidine radical, and R.sup.1a can also be alkyl, and R.sup.3, R.sup.3a and R.sup.3b are alkylene, alkenylene, arylene-dialkylene, cycloalkylene-dialkylene or monooxa-alkylene or polyoxa-alkylene, can be prepared by the polycondensation of malonic acid esters or amides or cyanoacetic acid esters or amides with difunctional compounds, preferably dihalogen compounds, in the presence of bases. The products obtained have a molecular weight of 800 to 20,000 and are outstanding light stabilizers for organic polymers.
    Type: Grant
    Filed: August 4, 1982
    Date of Patent: April 24, 1984
    Assignee: Ciba-Geigy Corporation
    Inventor: Friedrich Karrer
  • Patent number: 4434295
    Abstract: The present specification provides novel analogs of khellin. These analogs are all useful as antiatherosclerotic agents. Particularly, the present specification provides 4-methoxy, 9-methoxy, or 4,9-dimethoxy-6,7-dihydro-7,7-disubstituted-5H-furo[3,2-g][1]benzopyran-5- ones.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: February 28, 1984
    Assignee: The Upjohn Company
    Inventor: Ronald B. Gammill
  • Patent number: 4419354
    Abstract: This disclosure describes certain substituted 9,10-bis(2-aminoethoxy)anthracenes which are useful as modulators of the immune response system in warm-blooded animals and for inducing the regression of tumors in such animals.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: December 6, 1983
    Assignee: American Cyanamid Company
    Inventors: Ralph G. Child, Stanley A. Lang, Jr.
  • Patent number: 4414018
    Abstract: Formamidine sulphides and disulphides endowed with herbicide activity are disclosed.The processes for their preparation, their use as herbicides and herbicidal compositions thereof are disclosed too.
    Type: Grant
    Filed: March 9, 1982
    Date of Patent: November 8, 1983
    Assignee: Montedison S.p.A.
    Inventors: Roberto Colle, Franco Gozzo, Ciro Preziuso
  • Patent number: 4414220
    Abstract: A series of organic diamine base compounds derived from either an aromatic, alicyclic or heterocyclic ring and possessing, for the most part, an intervening methylene group between the ring and the aforesaid basic moiety have been prepared, including their pharmaceutically acceptable acid addition salts as well as oral pharmaceutical compositions containing same. These particular compounds are found to be useful in therapy as oral hypoglycemic agents. Preferred member compounds include 1,1'-[1,2-phenylenebis(methylene)]bispiperidine, 2,3-dihydro-2-[2-(1-piperidinomethyl)phenylmethyl]-1H-isoindole and 2,3-dihydro-2-[2-(4-morpholinomethyl)phenylmethyl]-1H-isoindole. Alternate methods of preparation are provided and the two principal synthetic routes leading to these compounds are described in some detail.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: November 8, 1983
    Assignee: Pfizer Inc.
    Inventor: John L. Belletire
  • Patent number: 4410521
    Abstract: Compounds are described of the formula ##STR1## in which --COR.sup.1 is a complex ester or thioester group,W is alkylene,X is cis or trans --CH.dbd.CH or --CH.sub.2 CH.sub.2 --,n is 1 or 2,Y is a saturated heterocyclic amino group having 5-8 ring members, andR.sup.2 is unsubstituted or substituted phenylalkyl, thienylalkyl, naphthylalkyl or cinnamyl,and their salts and solvates.These compounds inhibit blood platelet aggregation and bronchoconstruction and may be formulated for use as antithrombotic and antiasthmatic agents.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: October 18, 1983
    Assignee: Glaxo Group Limited
    Inventors: Eric W. Collington, Peter Hallett, Christopher J. Wallis, Norman F. Hayes, John Bradshaw, Malcolm Carter
  • Patent number: 4405737
    Abstract: N-2-Hydroxypropyl piperidines are provided, as well as a process for preparing these compounds, having the formula: ##STR1## wherein X is selected from the group consisting of , ##STR2## wherein R.sub.1 is selected from the group consisting of hydrogen; alkyl; alkenyl; cycloalkyl; alkaryl; hydroxyalkyl; oxyalkyl; acyl and aroyl having from one to about eighteen carbon atoms;R.sub.2 and R.sub.3 are each selected from the group consisting of alkyl, alkenyl, cycloalkyl, alkaryl, hydroxyalkyl, oxyalkyl and haloalkyl having from one to about eighteen carbon atoms;R.sub.4, R.sub.5 and R.sub.6 each are selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, alkaryl, hydroxyalkyl, oxyalkyl and haloalkyl having from one to about eighteen carbon atoms; and --CH.sub.2 --O--R.sub.1 ;n is 1 or 2; andY, when n is 1, is hydroxy or ##STR3## and when n is 2, is oxyoxygen.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: September 20, 1983
    Assignee: Adeka Argus Chemical Co., Ltd.
    Inventors: Bunji Hirai, Naohiro Kubota, Kazuo Sugibuchi
  • Patent number: 4377690
    Abstract: Novel ligands of the general formula wherein r is 1 or 2, and L is a piperidine which is substituted by at least one enolate group in the 1-position or 4-position and wherein the ring nitrogen is sterically hindered by alkyl substituents in the adjacent positions. These ligands are useful in preparing light stabilizers.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: March 22, 1983
    Assignee: Ciba-Geigy Corporation
    Inventor: Paul Moser
  • Patent number: 4374271
    Abstract: N-Amino substituted aniline and 1,3-phenylenediamine compounds having 1 or 2 nitro groups on the aromatic ring. The compounds are useful as herbicides and as intermediates for preparing herbicides.
    Type: Grant
    Filed: April 4, 1979
    Date of Patent: February 15, 1983
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre
  • Patent number: 4370430
    Abstract: Oligomers of the formula ##STR1## which contain at least one piperidyl radical per repeating unit are useful as light stabilizers for polymers.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: January 25, 1983
    Assignee: American Cyanamid Company
    Inventor: Joseph A. Hoffman
  • Patent number: 4358450
    Abstract: Compounds of general formula ##STR1## wherein R.sup.1 represents a member selected from the group consisting of (a) an unsubstituted at most binuclear aryl group having from 6 to 10 carbon atoms, such groups substituted by from 1 to 3 equal or different radicals selected from the group consisting of alkyl, halogenoalkyl, alkoxy, dialkylamino each having up to 4 carbon atoms in the alkyl moiety, halogen phenyl, carboxyl, cyano, nitro and hydroxy groups,(b) a 5- to 6-membered heteroaromatic ring wherein the heteroatom is selected from nitrogen, oxygen and sulfur atoms and such rings anellated to a benzene nucleus;R.sup.2 represents a member selected from the group consisting of hydrogen, alkyl having up to 3 carbon atoms, phenyl, cycloalkyl having up to 6 carbon atoms in the ring and cycloalkyl bearing a hydrocarbon bridging radical having up to 2 carbon atoms;R.sup.3 represents hydrogen, hydroxy or acyloxy;R.sup.4 and R.sup.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: November 9, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ulrich Gebert, Ernold Granzer, Heinz-Gunter Greve, Werner Thorwart
  • Patent number: 4348330
    Abstract: A process for the production of a sulphinate of formula ##STR1## which comprises reacting a compound of formula ##STR2## or a mixture of the compounds of formulae (2a) and (2b) with a compound of formulaY--SO.sub.2 --M (3)in an organic solvent in the presence of a mineral acid or organic acid and, optionally, also of water, wherein Ar.sub.1 and Ar.sub.2 are the same or different and each represents an unsubstituted or substituted aromatic carbocyclic radical.R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another represent hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.8 -alkoxyalkyl, cycloalkyl, aralkyl, aryl, or substituted alkyl, cycloalkyl, aralkyl or aryl, or each of the pairs of substituents (R.sub.1 and R.sub.2) and (R.sub.3 and R.sub.4), together with the nitrogen atom to which said pair is attached, independently, represents a heterocyclic ring, or one of several of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 with the nitrogen and an adajcent carbon atom of the residue Ar.
    Type: Grant
    Filed: February 6, 1981
    Date of Patent: September 7, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Malcolm C. Clark, John B. Henshall
  • Patent number: 4341904
    Abstract: Novel amino derivatives of 2-hydroxy-6,9-methano-11-amino-5,6,7,8,9,10-hexahydro-benzocyclooctenes, methods for their preparation, and their use as effective analgesic agents is described.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: July 27, 1982
    Assignee: Merck & Co., Inc.
    Inventors: Patrice C. Belanger, Robert N. Young
  • Patent number: 4339576
    Abstract: 1-[(3- or 4-Benzoylphenyl)-lower-alkyl]-[(CH.sub.2).sub.n --N.dbd.B]-substituted-piperidines, useful as anti-asthmatic, anti-allergic, anti-cholinergic, bronchodilator and anti-inflammatory agents, are prepared by alkylation of an appropriate substituted piperidine with a (3- or 4-benzoylphenyl)-lower-alkyl halide or tosylate; by reaction of a 1-[2-(3- or 4-lithiophenyl)-lower-alkyl]-[(CH.sub.2).sub.n --N.dbd.B]-substituted-piperidine with benzonitrile and hydrolysis of the resulting benzimidoyl compound; or by reduction of a 1-[.alpha.-(3- or 4-benzoylphenyl)-lower-alkanoyl]-[(CH.sub.2).sub.n --N.dbd.B]-substituted-piperidine. The analogous carbinols are prepared by reduction, with an alkali metal borohydride, of the ketone.
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: July 13, 1982
    Assignee: Sterling Drug Inc.
    Inventor: Bernard L. Zenitz
  • Patent number: 4332941
    Abstract: Cyclohexanones and -hexenones ##STR1## R.sup.1 is hydrogen or--CO--O--C.sub.n H.sub.2n+1-m (--NR.sup.4 R.sup.5) (1c)R.sup.2 is a group 1c, R.sup.3 is C.sub.1 - to C.sub.10 -alkyl, phenyl or phenyl substituted by lower alkyl, lower alkoxy, trifluoromethyl, nitro, cyano, chloro, carbamoyl, lower-alkyl-carbamoyl, sulfamoyl or lower-alkyl-sulfamoyl, R.sup.4 and R.sup.5 are lower alkyl or --NR.sup.4 R.sup.5 is pyrrolidinyl, piperidyl or morpholyl, m is 1 or 2 and n is 2 to 6, are obtained by reacting 2 mols of an esterCH.sub.3 --CO--CH.sub.2 --CO--O--C.sub.n H.sub.2n+1-m (--NR.sup.4 R.sup.5).sub.m (2)with an aldehyde R.sup.3 --CHO (3). The compounds (1) easily saponify and decarboxylate without an added catalyst to form a cyclohexenones ##STR2## while setting free the alcoholHO--C.sub.n H.sub.2n+1-m (--NR.sup.4 R.sup.5).sub.m (5)which reacts without a catalyst with diketene to form the ester (2).
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: June 1, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rudiger Berthold, Werner H. Muller
  • Patent number: 4326063
    Abstract: Process for the selective reductive alkylation of a cyclic diamine by catalytic condensation of the cyclic diamine with a hetercyclic ketone. In the process described herein, the reaction conditions and catalyst which are selected are directive for the synthesis of the N,N' substituted cyclic diamine. The compounds produced according to this procedure are readily isolated and are effective as UV stabilizers.
    Type: Grant
    Filed: July 24, 1980
    Date of Patent: April 20, 1982
    Assignee: The B. F. Goodrich Company
    Inventor: Pyong-Nae Son
  • Patent number: 4317819
    Abstract: The invention provides compounds of general formula ##STR1## and physiologically acceptable salts, hydrates and bioprecursors thereof, in whichY and Z, which may be the same or different, each represent oxygen, sulphur, .dbd.CHNO.sub.2 or .dbd.NR.sub.3 where R.sub.3 is hydrogen, nitro, cyano, lower alkyl, aryl, alkylsulphonyl or arylsulphonyl;p has a value from 2 to 12;R.sub.1 represents ##STR2## in which R.sub.4 and R.sub.5 which may be the same or different, each represent hydrogen, lower alkyl, cycloalkyl, lower alkenyl, aralkyl or lower alkyl interrupted by an oxygen atom or a group >N-R.sub.6 in which R.sub.6 represents hydrogen or lower alkyl, or R.sub.4 and R.sub.5 together with the nitrogen atom to which they are attached form a 5 to 7-membered saturated heterocyclic ring which may contain an additional oxygen atom or the group >NR.sub.
    Type: Grant
    Filed: December 5, 1980
    Date of Patent: March 2, 1982
    Assignee: Glaxo Group Limited
    Inventors: John W. Clitherow, Barry J. Price, John Bradshaw, Michael Martin-Smith
  • Patent number: 4265803
    Abstract: The invention entitled "Polymers containing polyalkylpiperidines and use thereof as stabilizers" provides a class of polymers in which groups containing sterically hindered polyalkylpiperidines are linked in the main chain of the polymers via bridging members containing 2-hydroxy-1,3-trimethylene groups.The polymers show superior stabilizing effects for various synthetic polymers such as polyolefins against degradation thereof induced by light and/or heat. The polymers have advantages, as compared with known stabilizer compounds, that they hardly volatile upon processing with heating or during storage of articles containing thereof, and that they are resistant to extraction with solvents from articles containing thereof.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: May 5, 1981
    Assignee: Sankyo Company Limited
    Inventors: Nobuo Soma, Syoji Morimura, Takao Yoshioka, Tomoyuki Kurumada
  • Patent number: 4260749
    Abstract: 2,5-diamino-1,4-benzoquinones are used in the production of hair dye compositions and can be prepared by condensing a corresponding 3-amino-4-methoxy phenol derivative on one of a corresponding hydroxy aniline or phenylenediamine derivative, a corresponding benzoquinone imine derivative or a corresponding nitroso derivative.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: April 7, 1981
    Assignee: L'Oreal
    Inventors: Andree Bugaut, Monique Laudon