Patents Represented by Attorney Ellen J. Buckles
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Patent number: 4602005Abstract: This invention discloses novel glycosides which are potent inhibitors of cholesterol absorption and therefore useful in treating hypercholesterolemia and atherosclerosis. Particularly useful in this respect is glycoside tigogenin cellobioside. The method of use for treatment of hypercholesterolemia and atherosclerosis, and the suitable pharmaceutical compositions are also disclosed.Type: GrantFiled: April 20, 1984Date of Patent: July 22, 1986Assignee: Medical Research Foundation of OregonInventor: M. Rene Malinow
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Patent number: 4581169Abstract: Synthetic nona-peptide and deca-peptide LHRH antagonist analogs have a novel guanido-substituted, amidine, tertiary or quaternary aminoacyl residue at position 6.Type: GrantFiled: March 7, 1983Date of Patent: April 8, 1986Assignee: Syntex (U.S.A.) Inc.Inventors: John J. Nestor, Brian H. Vickery
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Patent number: 4571333Abstract: A controlled release tablet for once-daily oral administration of about 500-1200 mg of naproxen or naproxen sodium, said tablet being a homogeneous matrix comprising about 4-9 weight percent of hydroxypropylmethylcellulose having a number average molecular weight in the range of from about 80,000 to about 130,000, about 81-96 weight percent naproxen or naproxen sodium, 0.1 to about 2 weight percent of a pharmacetucailly acceptable lubricating agent, and 0 to about 8 weight percent of other pharmaceutically acceptable excipients.Type: GrantFiled: June 14, 1983Date of Patent: February 18, 1986Assignee: Syntex (U.S.A.) Inc.Inventors: Charles H. Hsiao, John S. Kent
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Patent number: 4560699Abstract: Novel 5-(4-vinyl- or 4-ethynylbenzoyl)-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids represented by the formula ##STR1## and the pharmaceutically acceptable, non-toxic alkyl esters and salts thereof, wherein R is vinyl or ethynyl, and Y is hydrogen, a lower alkyl group having from 1 to 6 carbon atoms, chloro or bromo.Type: GrantFiled: January 17, 1983Date of Patent: December 24, 1985Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Stefan H. Unger
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Patent number: 4558066Abstract: This invention relates to a method of treatment of ocular hypertension and to a topical ophthalmic pharmaceutical composition useful for management of ocular hypertension.When administered topically to an eye with increased intraocular pressure, .+-.2-[(3,4-methylenedioxy)phenethyl]-5-[(3-carboxamido-4-hydroxy)-.alpha. -hydroxybenzyl]pyrrolidines effectively decrease intraocular pressure, inhibit the deterioration of the eye due to intraocular hypertension or glaucoma and relieve the symptoms of already existing glaucoma or other ophthalmic disease.Type: GrantFiled: May 17, 1984Date of Patent: December 10, 1985Assignee: Syntex (U.S.A.) Inc.Inventor: L. David Waterbury
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Patent number: 4548949Abstract: A compound of the formula ##STR1## and the pharmaceutically acceptable acid addition salts thereof are potent antihypertensive agents and are therefore useful as cardiovascular system regulators. These compounds are also useful as bronchodilators.Type: GrantFiled: August 29, 1983Date of Patent: October 22, 1985Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Robert Greenhouse, Jack Ackrell, Tsung-Tee Li, Jurg R. Pfister
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Patent number: 4543361Abstract: A compound of the formula ##STR1## and the pharmaceutically acceptable acid addition salts thereof are potent antihypertensive agents and are therefore useful as cardiovascular system regulators.Type: GrantFiled: August 29, 1983Date of Patent: September 24, 1985Inventors: Joseph M. Muchowski, Robert Greenhouse, Jack Ackrell, Tsung-Tee Li, Jurg R. Pfister
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Patent number: 4536503Abstract: Compounds of the formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein; Y is halo, alkoxy, alkyl, or dialkylamino;a is 0, 1 or 2;b is an integer from 2-12 with the proviso that if b is 2 or 3 a cannot be 0; andX is selected from the group consisting of: --OH, OR.sup.1, --NH.sub.2, --NHR.sup.1, NR.sub.2.sup.1, ##STR2## and --NHCONHR.sup.2 in which each R.sup.1 is independently alkyl or cycloalkyl or in --NR.sub.2.sup.1, both R.sup.1 together are alkylene or form a piperazine ring optionally substituted at the ring N by alkyl or --CH.sub.2 CH.sub.2 OH; andR.sup.2 is alkyl, cycloalkyl, or optionally substituted phenyl;have antiinflammatory properties and are useful in the treatment of conditions characterized by inflammation and swelling.Type: GrantFiled: January 9, 1984Date of Patent: August 20, 1985Assignee: Syntex (U.S.A.) Inc.Inventors: Peter H. Nelson, Howard J. Ringold, Stefan H. Unger, Thomas R. Thieme
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Patent number: 4532138Abstract: Compounds of the formula: ##STR1## and the pharmaceutically acceptable, non-toxic salts and esters (alkyl, 1-6C) thereof, wherein:X is O or S;R.sup.1 is selected from the group consisting of:(a) alkyl or cycloalkyl of 3-8 carbons,(b) ##STR2## in which Z is O, S or --CH.sub.2, and Y is lower alkyl (1-4C), lower alkoxy (1-4C), halo, or --CF.sub.3, and(c) ##STR3## in which Z and X are as herein defined; and R.sup.2 is hydrogen or methyl;exhibit prostaglandin-like activity and are, thus, useful as platelet aggregation inhibitors.Type: GrantFiled: November 2, 1983Date of Patent: July 30, 1985Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Angel Guzman
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Patent number: 4512990Abstract: Compounds of the formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein: Z is S;Y is halo, alkoxy, alkyl, or dialkylamino;a is 0, 1 or 2;b is an integer from 2-12 with the proviso that if b is 2 or 3, a cannot be 0, and with the further proviso that if X is OH, b cannot be 2-5 and with the further proviso that if X is --NH.sub.2, b cannot be 2-5; andX is selected from the group consisting of: --OH, OR.sup.1, --NH.sub.2, --NHR.sup.1, NR1/2, ##STR2## and --NHCONHR.sup.2 in which each R.sup.1 is independently alkyl or cycloalkyl or, in --NR1/2, both R.sup.1 s together are alkylene or form a piperazine ring optionally substituted at the ring N by alkyl or --CH.sub.2 CH.sub.2 OH; andR.sup.2 is alkyl, cycloalkyl, or optionally substituted phenyl;have antiinflammatory properties and are useful in the treatment of conditions characterized by inflammation and swelling.Type: GrantFiled: February 18, 1982Date of Patent: April 23, 1985Assignee: Syntex (U.S.A.), Inc.Inventors: Peter H. Nelson, Howard J. Ringold, Stefan H. Unger, Thomas R. Thieme
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Patent number: 4505927Abstract: 5-benzoyl-7-halo-1,2-dihydro-3H-pyrrolo[1,2-a]-pyrrole-1-carboxylic acids, represented by the formula ##STR1## and the pharmaceutically acceptable non-toxic esters and salts thereof, wherein:R is hydrogen or lower alkyl;X is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, carboxyl, lower alkylcarbonyl, sulfonic acid, sulfonic acid alkyl ester, fluoro, chloro, or bromo; and Y is chloro or bromo, which are novel, and 5-benzoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids which are represented by the formula ##STR2## wherein X and R are as above defined except that X cannot be chloro or bromo, are prepared by decarboxylation of the corresponding 1,1 dicarboxylates. Intermediates in said preparation are also disclosed.Type: GrantFiled: January 15, 1982Date of Patent: March 19, 1985Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Robert Greenhouse
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Patent number: 4458081Abstract: 5-Substituted-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids of the formula ##STR1## wherein: X is hydrogen or lower alkyl; Ar is a moiety selected from the group consisting of ##STR2## in which: Y is oxygen or sulfur;R is hydrogen, methyl, chloro, or bromo, the R substitution being at the 3, 4 or 5 position of the ring;R.sup.1 is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, lower alkylcarbonyl, fluoro, chloro or bromo, the R.sup.1 substitution being at any available position in the ring;R.sup.2 is hydrogen or lower alkyl;are prepared by .beta.-decarboxylation of the corresponding dialkyl-1,1-dicarboxylates. Certain substituted pyrroles are useful as intermediates for preparing the compounds of formula I.Type: GrantFiled: June 11, 1982Date of Patent: July 3, 1984Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Robert Greenhouse
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Patent number: 4456759Abstract: 5-benzoyl-7-halo-1,2-dihydro-3H-pyrrolo[1,2-a]-pyrrole-1-carboxylic acids, represented by the formula ##STR1## and the pharmaceutically acceptable non-toxic esters and salts thereof, wherein:R is hydrogen or lower alkyl;X is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, carboxyl, lower alkylcarbonyl, sulfonic acid, sulfonic acid alkyl ester, fluoro, chloro, or bromo; and Y is chloro or bromo, which are novel, and 5-benzoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids which are represented by the formula ##STR2## wherein X and R are as above defined except that X cannot be chloro or bromo, are prepared by decarboxylation of the corresponding 1,1 dicarboxylates. Intermediates in said preparation are also disclosed.Type: GrantFiled: June 11, 1982Date of Patent: June 26, 1984Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Robert Greenhouse
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Patent number: 4454326Abstract: 5-Substituted-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids of the formula ##STR1## wherein: X is hydrogen, lower alkyl, chloro or bromo; Ar is a moiety selected from the group consisting of ##STR2## in which: Y is oxygen or sulfur;R is hydrogen, methyl, chloro, or bromo, the R substitution being at the 3, 4 or 5 position of the ring;R.sup.1 is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, lower alkylcarbonyl, fluoro, chloro or bromo, the R.sup.1 substitution being at any available position in the ring;R.sup.2 is hydrogen or lower alkyl;are prepared by .beta.-decarboxylation of the corresponding dialkyl-1,1-dicarboxylates. Certain substituted pyrroles are useful as intermediates for preparing the compounds of formula I.Type: GrantFiled: June 11, 1982Date of Patent: June 12, 1984Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Robert Greenhouse
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Patent number: 4452775Abstract: Delivery systems for releasing macromolecular active agents to a body site at a controlled rate for a prolonged period of time, comprising a cholesteric matrix permeable to passage of the macromolecular active agent by diffusion, are disclosed. The cholesteric matrix comprises cholesterol powder and cholesterol prills optionally in combination with a binding agent and a lubricating agent. The macromolecular active agent is dispersed throughout the matrix; macromolecules suitable for release from this delivery system have molecular weights of about 1300 to about 75,000 and are at least very slightly soluble in water.Type: GrantFiled: December 3, 1982Date of Patent: June 5, 1984Assignee: Syntex (U.S.A.) Inc.Inventor: John S. Kent
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Patent number: 4444761Abstract: Methods of controlling fecal output and of appetite control, and compositions therefor, employing a fiber-containing mixture of cellulose with CMC, are described.Type: GrantFiled: May 4, 1981Date of Patent: April 24, 1984Assignee: Syntex (U.S.A.) Inc.Inventor: Gene A. Spiller
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Patent number: 4410526Abstract: Compounds of the formula: ##STR1## and the pharmaceutically acceptable, non-toxic salts and esters (alkyl, 1-6C) thereof, wherein:X is O or S;R.sup.1 is selected from the group consisting of:(a) alkyl or cycloalkyl of 3-8 carbons, ##STR2## R.sup.2 is hydrogen or methyl; exhibit prostaglandin-like activity and are, thus, useful as platelet aggregation inhibitors.Type: GrantFiled: November 20, 1981Date of Patent: October 18, 1983Assignee: Syntex (U.S.A.) Inc.Inventors: Joseph M. Muchowski, Angel Guzman