Patents Represented by Attorney Ellen J. Buckles
  • Patent number: 4602005
    Abstract: 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: Grant
    Filed: April 20, 1984
    Date of Patent: July 22, 1986
    Assignee: Medical Research Foundation of Oregon
    Inventor: M. Rene Malinow
  • Patent number: 4581169
    Abstract: Synthetic nona-peptide and deca-peptide LHRH antagonist analogs have a novel guanido-substituted, amidine, tertiary or quaternary aminoacyl residue at position 6.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: April 8, 1986
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Brian H. Vickery
  • Patent number: 4571333
    Abstract: 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: Grant
    Filed: June 14, 1983
    Date of Patent: February 18, 1986
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Charles H. Hsiao, John S. Kent
  • Patent number: 4560699
    Abstract: 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: Grant
    Filed: January 17, 1983
    Date of Patent: December 24, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Stefan H. Unger
  • Patent number: 4558066
    Abstract: 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: Grant
    Filed: May 17, 1984
    Date of Patent: December 10, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: L. David Waterbury
  • Patent number: 4548949
    Abstract: 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: Grant
    Filed: August 29, 1983
    Date of Patent: October 22, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse, Jack Ackrell, Tsung-Tee Li, Jurg R. Pfister
  • Patent number: 4543361
    Abstract: 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: Grant
    Filed: August 29, 1983
    Date of Patent: September 24, 1985
    Inventors: Joseph M. Muchowski, Robert Greenhouse, Jack Ackrell, Tsung-Tee Li, Jurg R. Pfister
  • Patent number: 4536503
    Abstract: 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: Grant
    Filed: January 9, 1984
    Date of Patent: August 20, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Peter H. Nelson, Howard J. Ringold, Stefan H. Unger, Thomas R. Thieme
  • Patent number: 4532138
    Abstract: 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: Grant
    Filed: November 2, 1983
    Date of Patent: July 30, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Angel Guzman
  • Patent number: 4512990
    Abstract: 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: Grant
    Filed: February 18, 1982
    Date of Patent: April 23, 1985
    Assignee: Syntex (U.S.A.), Inc.
    Inventors: Peter H. Nelson, Howard J. Ringold, Stefan H. Unger, Thomas R. Thieme
  • Patent number: 4505927
    Abstract: 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: Grant
    Filed: January 15, 1982
    Date of Patent: March 19, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4458081
    Abstract: 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: Grant
    Filed: June 11, 1982
    Date of Patent: July 3, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4456759
    Abstract: 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: Grant
    Filed: June 11, 1982
    Date of Patent: June 26, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4454326
    Abstract: 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: Grant
    Filed: June 11, 1982
    Date of Patent: June 12, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4452775
    Abstract: 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: Grant
    Filed: December 3, 1982
    Date of Patent: June 5, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: John S. Kent
  • Patent number: 4444761
    Abstract: Methods of controlling fecal output and of appetite control, and compositions therefor, employing a fiber-containing mixture of cellulose with CMC, are described.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: April 24, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: Gene A. Spiller
  • Patent number: 4410526
    Abstract: 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: Grant
    Filed: November 20, 1981
    Date of Patent: October 18, 1983
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Angel Guzman