Patents by Inventor Jean-Claude Gasc
Jean-Claude Gasc has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5064853Abstract: All possible isomeric forms and mixtures thereof of compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of indolyl, pyridyl, piperidinyl, quinolyl, thiazolyl and aryl of 6 to 14 carbon atoms and aralkyl of 7 to 18 carbon atoms with the latter two being unsubstituted or substituted with at least one member of the group consisting of halogen, alkyl and alkoxy of 1 to 8 carbon atoms, dialkylamino with alkyls of 1 to 8 carbon atoms, --CF.sub.3, --CN and --NO.sub.2, R.sub.2 is selected from the group consisting of ##STR2## Ar' are selected from the group consisting of pyridyl, indolyl, thiazolyl and aryl of 6 to 14 carbon atoms with the latter and the phenyl ring of b) being substituted or substrituted with at least one member of the group consisting of halogen, alkyl and alkoxy of 1 to 8 carbon atoms, dialkylamino with alkyls of 1 to 8 carbon atoms, --CF.sub.3, --CN and --NO.sub.2 and R.sub.3 is hydrogen or R.sub.2 and R.sub.Type: GrantFiled: February 12, 1990Date of Patent: November 12, 1991Assignee: Roussel UclafInventors: Jean-Claude Gasc, Daniel Humbert, Mario Vekens
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Patent number: 4988692Abstract: A compound in all possible isomeric forms and mixtures thereof of the formula ##STR1## wherein X and X' are individually selected from the group consisting of hydrogen, halogen, cyano, --NO.sub.2, --CF.sub.3 and alkyl and alkoxy of 1 to 8 carbon atoms, R is hydrogen or alkyl of 1 to 8 carbon atoms and Ar is selected from the group consisting of an unsubstituted or substituted aryl of 6 to 14 carbon atoms, an unsubstituted or substituted aromatic heterocyclic or a heterocyclic united with an unsubstituted or substituted aryl having cholecystokinine antagonistic activity.Type: GrantFiled: December 27, 1989Date of Patent: January 29, 1991Assignee: Roussel UclafInventors: Jean-Claude Gasc, Daniel Humbert
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Patent number: 4855302Abstract: A compound selected from the group consisting of azaspirodecane derivatives of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, fluorine, chlorine, bromine, alkoxy of 1 to 3 carbon atoms, --NO.sub.2, --NH.sub.2 and CH.sub.3 S-- in the 4,5 or 6 position of the ring, R' is oxo or hydrogen or --OH or alkyl of 1 to 3 carbon atoms and the dotted line indicates a carbon-carbon bond in the 2,3-position, n is 2,3,4 or 5 and the dotted line in the piperidyl ring is an optional carbon-carbon bond and their non-toxic, pharmaceutically acceptable acid addition salts having remarkable anxiolytic activity.Type: GrantFiled: December 10, 1987Date of Patent: August 8, 1989Assignee: Roussel UclafInventors: Jean-Claude Gasc, Lucien Nedelec, Daniel Humbert, Ana Maria Boaventura
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Patent number: 4839358Abstract: Novel .alpha.-mercaptomethyl-benzene propanamides of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and ##STR2## R.sub.1 ' is selected from the group consisting of alkyl of 1 to 5 carbon atoms and aryl optionally substituted with at least one member of the group consisting of --OH, --NO.sub.2, halogen and alkyl and alkoxy of 1 to 5 carbon atoms, X and X' are individually selected from the group consisting of hydrogen, alkyl and alkoxy of 1 to 5 carbon atoms, --OH, halogen and --CF.sub.3, R.sub.2 is selected from the group consisting of pyrrolidinyl, morpholinyl, piperidinyl, piperazinyl, tetrahydrothiazinyl and hexahydroazepinyl, all optionally substituted with at least one member of the group consisting of alkyl and alkoxy of 1 to 5 carbon atoms, --OH, --NO.sub.2, --CF.sub.Type: GrantFiled: February 23, 1988Date of Patent: June 13, 1989Assignee: Roussel UclafInventors: Jean-Paul Vevert, Francoise Delevallee, Jean-Claude Gasc, Francis Petit
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Patent number: 4736042Abstract: Novel racemic mixtures and optical isomers of 4-morpholinyl-1H-indoles of the formula: ##STR1## wherein R and R.sub.1 are individually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and R.sub.2 is selected from the group consisting of hydroxymethyl, alkylthiomethyl of 1 to 3 alkyl carbons, cyanomethyl and carboxy optionally esterified with an aliphatic alcohol of 1 to 5 carbon atoms or optionally amidified with an amine of the formula ##STR2## R.sub.3 is alkyl of 1 to 4 carbon atoms and R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having the ability to activate neurons and to protect the same against ischemic or anoxic aggressions.Type: GrantFiled: July 13, 1987Date of Patent: April 5, 1988Assignee: Roussel UclafInventors: Jean-Claude Gasc, Lucien Nedelec, Claude Rettien, Dinah W. Nanopoulos
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Patent number: 4699907Abstract: Novel racemic mixtures and optical isomers of 4-morpholinyl-1H-indoles of the formula: ##STR1## wherein R and R.sub.1 are individually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and R.sub.2 is selected from the group consisting of hydroxymethyl, alkylthiomethyl of 1 to 3 alkyl carbons, cyanomethyl and carboxy optionally esterified with an aliphatic alcohol of 1 to 5 carbon atoms or optionally amidified with an amine of the formula ##STR2## R.sub.3 is alkyl of 1 to 4 carbon atoms and R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having the ability to activate neurons and to protect the same against ischemic or anoxic aggressions.Type: GrantFiled: December 12, 1986Date of Patent: October 13, 1987Assignee: Roussel UclafInventors: Jean-Claude Gasc, Lucien Nedelec, Claude Rettien, Dinah W. Nanopoulos
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Patent number: 4591589Abstract: Novel pyrazolo[4,3-c]cinnolin-3-one derivatives of the formula ##STR1## wherein R may be in the 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl and alkoxy of 1 to 5 carbon atoms, --NO.sub.2 and --CF.sub.3 and R' is hydrogen or R and R' taken together form an alkylenedioxy of 1 to 4 carbon atoms at the 7- or 8-positions and R.sub.1 is selected from the group consisting of phenyl, pyridyl, thiazolyl, dihydrothiazolyl and thienyl, all optionally substituted with at least one member of the group consisting of alkyl and alkoxy of 1 to 5 carbon atoms, halogen, mono-, di- and tri- halomethyl and aralkoxy of 7 to 12 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having anxiolytic properties and novel intermediates therefore.Type: GrantFiled: January 16, 1985Date of Patent: May 27, 1986Assignee: Roussel UclafInventors: Jean-Claude Gasc, Daniel Humbert, Peter F. Hunt
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Patent number: 4588731Abstract: Novel isoxazoloquinolinones of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, fluorine, chlorine, bromine, alkyl and alkoxy of 1 to 5 carbon atoms, --NO.sub.2 and CF.sub.3 -- and R.sub.1 is phenyl optionally substituted by at least one member selected from the group consisting of halogen and alkyl and alkoxy of 1 to 5 carbon atoms having anxiolytic activity and their preparation and novel intermediates.Type: GrantFiled: June 21, 1985Date of Patent: May 13, 1986Assignee: Roussel UclafInventors: Daniel Humbert, Jean-Claude Gasc, Peter F. Hunt
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Patent number: 4503053Abstract: Novel C-homo-9-oxa-ergolines of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of hydrogen, chlorine and bromine or taken with b forms .dbd.0, a and b form a carbon-carbon bond or a is hydrogen when R.sub.1 and b form .dbd.0, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, aralkyl of 7 to 12 carbon atoms and cycloalkylalkyl of 4 to 7 carbon atoms, R.sub.3 is selected from the group consisting of hydroxymethyl, alkylthiomethyl of 1 to 5 alkyl carbon atoms, cyanomethyl, carboxy optionally esterified with an aliphatic alcohol of 1 to 5 carbon atoms and ##STR2## R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.5 is alkyl of 1 to 4 carbon atoms or R.sub.4 and R.sub.Type: GrantFiled: September 15, 1983Date of Patent: March 5, 1985Assignee: Roussel UclafInventors: Lucien Nedelec, Jean-Claude Gasc, Patrick Fauveau
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Patent number: 4412988Abstract: Novel hexapeptides of the formulaCys--X--Y--D--Lys--Z Iwherein X is a sequence selected from the group consisting of Ala--Ala and Glu--His, Y is selected from the group consisting of Cys and Phe and Z is Phe when Y is Cys or Z is Cys when Y is Phe, the two Cys groups in the molecule being joined by a disulfide bridge, and their functional derivatives such as their non-toxic, pharmaceutically acceptable acid addition salts, salts with bases, esters and amides and metallic complexes thereof having an influence on the memory process and their preparation.Type: GrantFiled: October 9, 1981Date of Patent: November 1, 1983Assignee: Roussel UclafInventors: Jean-Claude Gasc, Serge Geoffre, Michel Hospital, Jacques Laurent
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Patent number: 4349545Abstract: Novel erythromycin derivatives in the syn form or anti form or mixtures of the syn and anti forms of the formula ##STR1## wherein A is a linear or branched alkylene of 1 to 6 carbon atoms, R is selected from the group consisting of optionally substituted alkoxy of 1 to 6 carbon atoms, optionally substituted alkenyloxy and alkynyloxy of 2 to 6 carbon atoms, optionally substituted alkylthio of 1 to 6 carbon atoms, optionally substituted alkenylthio and alkynylthio of 2 to 6 carbon atoms with the thio group optionally oxidized to the sulfoxide or sulfone form, optionally substituted aryloxy and arylthio, optionally substituted aralkyloxy and arylalkylthio, the thio derivatives optionally oxidized to sulfoxide or sulfone, ##STR2## optionally substituted quaternary ammonium group, halogen, optionally substituted 1,2-epoxyethyl and the group resulting from opening of the epoxy with a nucleophilic reactant, ##STR3## a free or protected formyl, --COOR', thiocyanate, --CN, acyl and carbamoyl, R.sub.1 and R.sub.Type: GrantFiled: January 8, 1981Date of Patent: September 14, 1982Assignee: Roussel UclafInventors: Solange Gouin d'Ambrieres, Andre Lutz, Jean-Claude Gasc
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Patent number: 4242331Abstract: Novel aminoglycoside derivatives of desoxystreptamines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of hydrogen and hydroxyl with at least one of them being hydrogen and their non-toxic, pharmaceutically acceptable acid addition salts having antibiotic properties and their preparation.Type: GrantFiled: August 17, 1979Date of Patent: December 30, 1980Assignee: Roussel UclafInventors: Jean-Claude Gasc, Claude Rettien
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Patent number: 4146617Abstract: The present invention has as its objects a new derivative of the aminoglycoside family, namely N.sub.1 [L-(-)2-hydroxy-4-amino butyroyl]4-0[2',6'-diamino 2',6'-didesoxya, D glucopyranosyl]6-0[3"-methylamino 3",4",6"-tridesoxy .alpha., D-xylohexopyranosyl]2-desoxy streptamine, as well as its mineral or organic acid addition salts, its process of preparation and methods of treatment using the same.Type: GrantFiled: December 28, 1976Date of Patent: March 27, 1979Assignee: Roussel UclafInventors: Jean-Bernard Chazan, Jean-Claude Gasc
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Patent number: 4064339Abstract: There are disclosed pharmaceutically-active aminoglycosides comprising 4-O-(2',6'-diamino 2',6'-didesoxy .alpha.,D-glucopyrannosyl) 6-O-(3"-amino 3",4",6"-tridesoxy .alpha., D-xylohexopyrannosyl) 2-desoxy streptamine of the formula: ##STR1## and the addition salts thereof with mineral acids or organic acids. Also disclosed are methods for preparation of the novel products as well as certain novel intermediate products. There are also disclosed pharmaceutical compositions in which the novel products are the active agents as well as methods for use of compositions as antibiotic agents.Type: GrantFiled: March 11, 1975Date of Patent: December 20, 1977Assignee: Roussel UCLAFInventors: Daniel Coussediere, Jean-Claude Gasc
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Patent number: 4031210Abstract: There are disclosed pharmaceutically-active aminoglycosides comprising 4-O-[2',6'-diamino 2',3',6'-tridesoxy .alpha.,D-ribohexopyranosyl] 6-O-[3"-methylamino 3",4",6"-tridesoxy .alpha.,D-xylohexopyranosyl] 2-desoxystreptamine of the formula: ##STR1## and the addition salts thereof with mineral acids or organic acids. Also disclosed are methods for preparation of the novel products as well as certain novel intermediate products. There are also disclosed pharmaceutical compositions in which the novel products are the active agents and a method for the treatment of bacteria infections in humans and animals.Type: GrantFiled: November 11, 1975Date of Patent: June 21, 1977Assignee: Roussel-UCLAFInventors: Jean-Bernard Chazan, Jean-Claude Gasc
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Patent number: 3981861Abstract: There are disclosed pharmaceutically-active aminoglycosides comprising 4-0-(2',6'-diamino 2', 3', 4', 6'-tetradesoxy .alpha.,D-erythrohexopyrannosyl) 6-0-(3"-methylamino 3", 4", 6"-tridesoxy .alpha.,D-xylohexopyrannosyl) 2-desoxystreptamine of the formula: ##SPC1##And the addition salts thereof with mineral acids or organic acids. Also disclosed are methods for preparation of the novel products as well as certain novel intermediate products. There are also disclosed pharmaceutical compositions in which the novel products are the active agents as well as methods for use of compositions as antibiotic agents.Type: GrantFiled: March 7, 1975Date of Patent: September 21, 1976Assignee: Roussel-UCLAFInventors: Jean Bernard Chazan, Daniel Coussediere, Jean-Claude Gasc
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Patent number: 3959255Abstract: There are disclosed pharmaceutically-active aminoglycosides comprising 4-O-[2',6'-diamino-2',6'-didesoxy-.alpha.-D-glucopyranosyl] 6-O-[3"-methylamino-3",4",6"-tridesoxy-.alpha.-D-xylohexopyranosyl] 2-desoxy streptamine of the formula: ##SPC1##And the addition salts thereof with mineral acids or organic acids. Also disclosed are methods for preparation of the novel products as well as certain novel intermediate products. There are also disclosed pharmaceutical compositions in which the novel products are the active agents as well as methods for use of compositions as antibiotic agents.Type: GrantFiled: April 29, 1974Date of Patent: May 25, 1976Assignee: Roussel-UCLAFInventors: Jean-Bernard Chazan, Daniel Coussediere, Jean-Claude Gasc