Patents Represented by Attorney Frank S. Chow
  • Patent number: 4128555
    Abstract: 3-Phenoxypyridine monosulfate, a pharmacological agent possessing mood elevating and cardiotonic properties. This compound is produced by reacting 3-phenoxypyridine with an equivalent amount of sulfuric acid.
    Type: Grant
    Filed: May 27, 1977
    Date of Patent: December 5, 1978
    Assignee: Warner-Lambert Company
    Inventor: Donald E. Butler
  • Patent number: 4128720
    Abstract: Prostaglandins of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## X represents ethylene or cis-vinylene, Y represents ethylene or trans-vinylene, R represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, R.sup.1 represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 10 carbon atoms, R.sup.2 represents a straight- or branched-chain alkyl group containing from 1 to 4 carbon atoms, R.sup.3 represents a straight- or branched-chain alkyl group containing from 1 to 4 carbon atoms, a cycloalkyl group containing from 4 to 7 carbon atoms, or a grouping of the formula: ##STR3## wherein R.sup.4 and R.sup.5 each represents a hydrogen or halogen atom, a trifluoromethyl group or an alkyl group containing from 1 to 3 carbon atoms, or R.sup.2 and R.sup.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: December 5, 1978
    Assignee: Ono Pharmaceutical Company
    Inventors: Masaki Hayashi, Seiji Kori, Hajimu Miyake
  • Patent number: 4128540
    Abstract: A new decapeptide having the formula, pGlu-His-Trp-Ser-Tyr-Gly-Leu-NO.sub.2 Arg-Pro-Gly(NH.sub.2); salts thereof; production thereof by reacting pGlu-His-Trp-Ser-Tyr(N.sub.3) with Gly-Leu-NO.sub.2 Arg-Pro-Gly(NH.sub.2), by reacting pGlu-His-Trp-Ser-Tyr-Gly(N.sub.3) with Leu-NO.sub.2 Arg-Pro-Gly(NH.sub.2), or by reacting pGlu-His-Trp-Ser-Tyr-Gly-Leu(N.sub.3) with NO.sub.2 Arg-Pro-Gly(NH.sub.2); certain peptide intermediates and their salts used in the production thereof; and the use thereof in the preparation of luteinizing hormone releasing factor.
    Type: Grant
    Filed: May 25, 1972
    Date of Patent: December 5, 1978
    Assignee: Parke, Davis & Company
    Inventors: Mildred C. Rebstock, Ernest D. Nicolaides, Thomas F. Mick, Francis J. Tinney, Eugene L. Wittle
  • Patent number: 4127585
    Abstract: This invention relates to novel amides of 4-hydroxy-6H-thieno[2,3-b]thiopyran-5-carboxylic acid-7,7-dioxide having the Formula I: ##STR1## wherein R.sub.1 is hydrogen, halogen or lower alkyl; R.sub.2 is hydrogen, lower alkyl or aryl; Ar is aryl or heterocyclic; to the pharmaceutically acceptable salts thereof; and to processes for their preparation. The compounds of this invention exhibit antiinflammatory activity.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: November 28, 1978
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Stephen J. Kesten, Harold Zinnes
  • Patent number: 4127669
    Abstract: Compounds of formula I: ##STR1## wherein Y is hydrogen, lower alkyl, halogen or lower alkoxy; X is carboxy, alkoxycarbonyl, carboxamide, cyano or tetrazolo, and their non-toxic, pharmaceutically acceptable salts are disclosed. These compounds are useful in the prevention of allergic and asthmatic reactions.
    Type: Grant
    Filed: October 13, 1977
    Date of Patent: November 28, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Maximillian VON Strandtmann
  • Patent number: 4126637
    Abstract: A process is provided for the production of 2,2-dimethyl-5-(2,5-xylyloxy)valeric acid which comprises subjecting 2,2-dimethyl-5-(2,5-xylyloxy)valeraldehyde to oxidation with elemental oxygen in a three-phase reaction mixture comprising a water immiscible organic solvent for said valeraldehyde, an aqueous alkaline solution, and a noble metal catalyst.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: November 21, 1978
    Assignee: Warner-Lambert Company
    Inventors: Om P. Goel, William M. Pearlman
  • Patent number: 4125186
    Abstract: This invention relates to a single use container package especially adapted for use as a pharmaceutical delivery system. It is a two unit package comprising a liquid containing bottle and an open ended pharmaceutical capsule.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: November 14, 1978
    Assignee: Warner-Lambert Company
    Inventor: Eugene J. Meierhoefer
  • Patent number: 4124577
    Abstract: New nonapeptides having the formula R-Trp-Ser(benzyl)-Tyr(benzyl)-D-Phe-Leu-Arg(X)-Pro-Gly-Y wherein X is a protective group, R is pGlu, protected His(benzyl), protected Ser(benzyl) or protected Cys(benzyl), and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: November 7, 1978
    Assignee: Warner-Lambert
    Inventors: Francis J. Tinney, Elizabeth A. Lunney, Ernest D. Nicolaides
  • Patent number: 4123536
    Abstract: The present invention relates to dialkyl ({[3-(alkoxy-carbonyl)-1,4-dihydro-4-oxo-8-quinolinyl]amino}methylene)-pro panedioates having the following structural formula: ##STR1## wherein R.sub.1 is lower alkyl; and R.sub.2 is hydrogen, halogen, lower alkyl or nitro.These compounds exhibit antibacterial activity against gram positive and gram negative bacteria and are therefore useful in the treatment of bacterial infections caused by these organisms.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: October 31, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Maximilian Von Strandtmann
  • Patent number: 4123609
    Abstract: Process for the production of an ester product, 9-(.beta.-D-arabinofuranosyl)adenine, 5'-phosphate, in which the mixture resulting from reaction of 9-(.beta.-D-arabinofuranosyl)adenine with phosphorylating agent in trialkyl phosphate solvent is subjected to aqueous hydrolysis, the pH of the hydrolysis mixture is adjusted upward sufficiently to cause separation into aqueous and non-aqueous liquid phases, the trialkyl phosphate solvent is removed, and the product is precipitated from the residual aqueous mixture and isolated.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: October 31, 1978
    Assignee: Warner-Lambert Company
    Inventors: Walter E. Behnke, William R. Marsh, Theodore H. Haskell
  • Patent number: 4120964
    Abstract: The present invention is concerned with new and novel 4-hydroxyaporphine derivatives and with the preparation thereof.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: October 17, 1978
    Assignee: Warner-Lambert Company
    Inventors: Johannes Hartenstein, Gerhard Satzinger
  • Patent number: 4117229
    Abstract: 2-Amino-1-(5-amino-1H-imidazol-4-yl)ethanone, 6,7-dihydroimidazo[4,5-d][1,3]diazepin-8(3H)-one and acid-addition salts thereof are disclosed. 2-Amino-1-(5-amino-1H-imidazol-4-yl)ethanone and its acid-addition salts are prepared by catalytically reducing an acid-addition salt of 2-amino-1-[5-amino-1-(protected)-1H-imidazol-4-yl]ethanone. 6,7-Dihydroimidazo[4,5-d][1,3]-diazepin-8(3H)-one and its acid-addition salts are prepared by reacting an acid-addition salt of 2-amino-1-(5-amino-1H-imidazol-4-yl)ethanone with a compound able to contribute a formyl group. The later product may subsequently be converted into (R)-3-(2-deoxy-.beta.-D-erythro-pentofuranosyl)-3,6,7,8-tetrahydroimidazo[ 4,5-d][1,3]diazepin-8-ol. Furanose derivatives of 6,7-dihydroimidazo[4,5-d][1,3]diazepine are also disclosed and their methods of preparation. Lastly, a method for resolving an isomer mixture of 3-(2-deoxy-.beta.-D-erythro-pentafuranosyl)-3,6,7,8-tetrahydroimidazo[4 ,5-d][1,3]diazepin-8-ol compounds is related.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: David C. Baker, Sterling R. Putt
  • Patent number: 4116964
    Abstract: A novel process for preparing 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides is disclosed. The process involves the base catalyzed rearrangement of a saccharinacetamide of structure I to give II, ##STR1## wherein R.sup.1 is hydrogen or lower alkyl and R.sup.2 is lower alkyl, aryl or a heterocyclic ring selected from the group consisting of pyridyl, substituted-pyridyl, and thiazolyl. Compounds of the formula II have useful anti-inflammatory properties. In addition, they can be used as intermediates in the preparation of known anti-inflammatory agents.
    Type: Grant
    Filed: August 16, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo, John Shavel, Jr.
  • Patent number: 4116638
    Abstract: An assembly for use as a solid phase support for immunoassay procedures.
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventor: Michael B. Kenoff
  • Patent number: 4116966
    Abstract: The present invention is concerned with 11-oxo-1-benzoxepino[4,3-c]pyridines of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 may be hydrogen, lower alkyl, cyano, carboxamido, carboxy, ethoxycarbonyl or tetrazolyl and R.sub.3 may be hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy.These compounds are indicated in the management of allergic conditions such as bronchial asthma, hay fever and the like.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, Max VON Strandtmann
  • Patent number: 4117119
    Abstract: Prostaglandin analogues of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## X represents trans-vinylene or ethylene and Y represents cis-vinylene or ethylene, R represents hydrogen or alkyl of 1 through 12 carbon atoms, R.sup.1, R.sup.2 and R.sup.3 represent hydrogen, or alkyl of 1 through 12 carbon atoms or an aryl group, with the proviso that at least one of the symbols R.sup.1, R.sup.2 and R.sup.3 represents an alkyl or aryl group, are new compounds possessing useful pharmacological properties; they are especially useful for the treatment of gastric ulceration.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: September 26, 1978
    Assignee: Ono Pharmaceutical Company
    Inventors: Masayasu Kurono, Hisao Nakai, Takashi Muryobayashi
  • Patent number: 4116971
    Abstract: There is described 3-(1H-tetrazol-5-yl)chromones having the following structural formula: ##STR1## in which R is lower alkoxy having 1 to 3 carbon atoms, aryl such as phenyl, halogen or trihalo lower alkyl. These compounds exhibit anti-allergic properties and are indicated in the treatment of allergic conditions such as hay fever and asthma.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Max von Strandtmann, Marvin P. Cohen, Sylvester Klutchko, John Shavel, Jr.
  • Patent number: 4117129
    Abstract: This invention relates to substituted indolobenzoxazepines which act as central nervous system depressants and as such are useful as tranquillizers.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventor: Richard E. Brown
  • Patent number: 4117131
    Abstract: 2-(4-Pyrimidinyl)thioacetamides are disclosed that have been found useful in the treatment of gastric hyperacidity.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Charles F. Schwender, Russell E. Pike
  • Patent number: RE29836
    Abstract: Compounds having the following structural formula are disclosed: ##STR1## wherein R.sub.1 is hydrogen or methyl and R.sub.2, and R.sub.3 are hydrogen or alkyl. These compounds are useful as anti-inflammatory agents, antipyretics, analgesics.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: November 14, 1978
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Martin L. Schwartz, John Shavel, Jr.