Patents Represented by Attorney Frank S. Chow
  • Patent number: 4098794
    Abstract: This invention relates to 5,6-dihydro-4-oxo-4H-thieno[2,3-b]thiopyran-5-carboxamides of the Formula I: ##STR1## wherein R.sub.1 is hydrogen, halogen or lower alkyl; R.sub.2 is hydrogen, lower alkyl or aryl; and Ar is aryl or heterocyclic; their pharmaceutically acceptable salts and to processes for their preparation. The compounds of this invention exhibit antibacterial, antifungal and antiallergy activity.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: July 4, 1978
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Stephen J. Kesten, Harold Zinnes
  • Patent number: 4097441
    Abstract: This invention relates to 5,6-dihydro-4-oxo-4H-thieno?2,3-b!thiopyran-5-carboxamides of the Formula I: ##STR1## wherein R.sub.1 is hydrogen, halogen or lower alkyl; R.sub.2 is hydrogen, lower alkyl or aryl; and Ar is aryl or heterocyclic; their pharmaceutically acceptable salts and to processes for their preparation. The compounds of this invention exhibit antibacterial, antifungal and antiallergy activity.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: June 27, 1978
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Stephen J. Kesten, Harold Zinnes
  • Patent number: 4093611
    Abstract: New octapeptides having the formula X-R-Pro-His(benzyl)-His(benzyl)-R.sup.1 -Trp-D-Ala-Y wherein X is a protective group, R is Pro or Gln; R.sup.1 is Tyr(benzyl)-Ser(benzyl) or Ser(benzyl)-Pro and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino.
    Type: Grant
    Filed: April 7, 1977
    Date of Patent: June 6, 1978
    Assignee: Parke, David & Company
    Inventor: Francis John Tinney
  • Patent number: 4092325
    Abstract: This invention relates to 5,6-dihydro-4-oxo-4H-thieno[2,3-b]thiopyran-5-carboxamides of the Formula I: ##STR1## wherein R.sub.1 is hydrogen, halogen or lower alkyl; R.sub.2 is hydrogen, lower alkyl or aryl; and Ar is aryl or heterocyclic; their pharmaceutically acceptable salts and to processes for their preparation. The compounds of this invention exhibit antibacterial, antifungal and antiallergy activity.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: May 30, 1978
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Stephen J. Kesten, Harold Zinnes
  • Patent number: 4092322
    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: February 14, 1977
    Date of Patent: May 30, 1978
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, Max VON Strandtmann
  • Patent number: 4092309
    Abstract: Derivatives of amoxicillin having broad spectrum antibacterial activity are disclosed. In addition, the following methods for preparing the compounds are provided (a) reacting the free amino acid amoxicillin or the acid salt or silylated derivative thereof with a reactive derivative of 6-(4-pyridyl)-1,2-dihydro-2-oxonicotinic acid and (b) reacting the free amino acid 6-aminopenicillanic acid or the acid salt or silylated derivative thereof with a reactive derivative of the corresponding D-(+)-N-(1,2-dihydro-2-oxonicotinyl)-2-(p-hydroyphenyl)glycine.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: May 30, 1978
    Assignee: Warner-Lambert Company
    Inventor: Thomas Frederick Mich
  • Patent number: 4092328
    Abstract: This invention relates to novel indolothiopyrones having the formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl or aryl; R.sub.2 is hydrogen or halogen; and R.sub.7 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, nitro-substituted-aryl, or .omega.-substituted lower alkyl wherein the substituent is: ##STR2## wherein R.sub.4 and R.sub.5 each represent hydrogen, lower alkyl, or together with the nitrogen atom, form a heterocyclic ring; and R.sub.6 is lower alkoxy or amino, and novel intermediates used in their preparation. The indolothiopyrones are prepared by reacting a 3-mercaptoindole with sodium propiolate or a substituted sodium propiolate followed by acidification to obtain an intermediate acid; the intermediate acid cyclizes in the presence of an acid catalyst to obtain the indolothiopyrone structure which may be additionally subjected to halogenation, alkylation or hydrolysis to obtain derivatives having the various substituent groups disclosed.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: May 30, 1978
    Assignee: Warner-Lambert Company
    Inventor: Richard E. Brown
  • Patent number: 4087620
    Abstract: The present invention relates to 15-cycloalkyl-prostaglandins of the formula: ##STR1## WHEREIN A represents a grouping of the formula: ##STR2## W represents ethylene or trans-vinylene, 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 methyl or ethyl group, R.sup.2 represents a straight- or branched-chain alkyl group containing from 2 to 8 carbon atoms or a phenyl group unsubstituted or substituted by an alkyl group containing from 1 to 3 carbon atoms, R.sup.3 represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 3 carbon atoms, and n represents 4 or 5) and cyclodextrin clathrates of such acids and esters and, when R represents a hydrogen atom, non-toxic salts thereof.These new compounds exhibit characteristic prostaglandin-like activities.
    Type: Grant
    Filed: July 7, 1976
    Date of Patent: May 2, 1978
    Assignee: Ono Pharmaceutical Company
    Inventors: Masaki Hayashi, Seiji Kori, Isao Ohyama, Sadahiko Iguchi, Takanori Okada
  • Patent number: 4087417
    Abstract: New hexapeptides having the formula X-Trp-His-(benzyl)-Ser(benzyl)-Tyr(benzyl)-Pro-Ala-Y wherein X is t-butoxycarbonyl or benzyloxycarbonyl and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: May 2, 1978
    Assignee: Parke, Davis & Company
    Inventor: Francis John Tinney
  • Patent number: 4087419
    Abstract: New heptapeptides having the formula X-Ser(benzyl)-Tyr(benzyl)-Phe-Leu-Arg(R)-Pro-Gly-Y wherein X is a protective group, R is a protective group and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: May 2, 1978
    Assignee: Parke, Davis & Company
    Inventor: Francis John Tinney
  • Patent number: 4087418
    Abstract: New hexapeptides having the formula X-Ser(benzyl)-Tyr(benzyl)-Ala-Leu-Arg-Pro-Y wherein X is t-butoxycarbonyl or benzyloxycarbonyl and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: May 2, 1978
    Assignee: Parke, Davis & Company
    Inventor: Eugene Leroy Wittle
  • Patent number: 4087443
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: May 2, 1978
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst
  • Patent number: 4087544
    Abstract: The present invention is concerned with new cyclic amino acids and with the preparation thereof.
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: May 2, 1978
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Johannes Hartenstein, Manfred Herrmann, Wolfgang Heldt
  • Patent number: 4087416
    Abstract: New heptapeptides having the formula X-R-His(benzyl)-His(benzyl)--R.sup.1 --R.sup.2 --Trp--Ala--Y wherein X is a protective group, R is Pro or Gln; R.sup.1 and R.sup.2 are Ser(benzyl) or Tyr(benzyl) and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)-amino.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: May 2, 1978
    Assignee: Parke, Davis & Company
    Inventors: Francis John Tinney, Ernest D. Nicolaides
  • Patent number: 4087506
    Abstract: A method of producing a fluid absorbent web for the manufacture of disposable absorbent articles is provided, such as diapers, underpads, sanitary napkins or similar articles. The method includes the step of forming a uniform moving web of fiberized wood pulp having a central zone, applying hydrocolloid polymer particles onto the surface of the central zone, and distributing the applied particles into the body of the moving web by air pressure means. Apparatus for producing such articles is also provided featuring means for incorporating absorbent polymer particles within a central zone of a moving web of the matrix.
    Type: Grant
    Filed: August 5, 1976
    Date of Patent: May 2, 1978
    Assignee: Parke, Davis & Company
    Inventors: Roy Gordon Cook, James Patrick Jackson
  • Patent number: 4086219
    Abstract: New nonapeptides having the formula Prot Grp-R-Trp-Ser-Tyr-R.sub.2 -Leu-Arg-Pro-Gly-R.sub.3 ; salts thereof; wherein R is Gln, Gln (bzl), His (bzl), Ser (bzl), Pro, Leu, Tyr (bzl), Ile, Cys (bzl) or Phe, R.sub.2 is D-Phe, D-Ala, D-Leu, D-Trp, D-Tyr, D-Tyr (Me), D-Ser, D-Met, D-Arg, D-Val, D-His, D-Gln, D-Phs, D-Thr, D-Pro or D-Asn and R.sub.3 is NH.sub.2, NH(lower alkyl) or N-(lower alkyl).sub.2, methods for their production; certain peptide intermediates and their salts used in the production thereof; and the use of said nonapeptides as luteinizing hormone releasing factor antagonists.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: April 25, 1978
    Assignee: Parke, Davis & Company
    Inventors: Eugene Leroy Wittle, Mildred Catherine Rebstock
  • Patent number: 4085096
    Abstract: New hexapeptides having the formula X-R-Trp-His(benzyl)-Tyr(benzyl)-Ser(benzyl)-R.sup.1 -Ala-Y wherein X is t-butoxycarbonyl or benzyloxycarbonyl, R is a single bond, His, His(benzyl) or Gln; R.sup.1 is a single bond or Pro and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino with the proviso that the total number of amino acid units when R and R.sup.1 are combined is one.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: April 18, 1978
    Assignee: Parke, Davis & Company
    Inventors: Francis John Tinney, Ernest D. Nicolaides
  • Patent number: 4082693
    Abstract: The present invention is concerned with improved dental semi-solid or paste-like elastomeric materials which have the capability of precise surface detail reproduction at ambient and body temperature. Such materials are prepared by treating liquid polysulfide with a synergistic accelerator system comprising a metallic peroxide, e.g., zinc peroxide, 2,2' dithiobisbenzothiazole and 2-mercaptobenzothiazole.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: April 4, 1978
    Assignee: Warner-Lambert Company
    Inventors: Henry A. Kessler, Phyllis Ying
  • Patent number: 4082770
    Abstract: The present invention relates to novel benzo(b)thiophene derivatives of the general formula: ##STR1## wherein Y represents a hydrogen or halogen atom; A represents a hydrogen atom or a phenyl group which may be substituted with a halogen atom or a lower alkoxy group; B represents a radical of the formula OR' or NR.sup.2 R.sup.3, wherein R' is an alkyl radical of 1 to 5 carbon atoms which may be substituted with hydroxy, lower alkoxy, phenyl or phenoxy groups or a cycloalkyl or phenyl group which may be substituted by lower alkoxy or halogen atoms; R.sup.2 and R.sup.3, which may be identical or different, represent, if identical, hydrogen, alkyl radicals of 1 to 5 carbon atoms which may be substituted by hydroxy, lower alkoxy, phenoxy, di-lower alkylamino, or phenyl groups; or, if R.sup.2 is hydrogen, R.sup.
    Type: Grant
    Filed: April 8, 1977
    Date of Patent: April 4, 1978
    Assignee: Warner-Lambert Company
    Inventors: Peter Johannes Stoss, Manfred Franz Reinhold Herrmann, Gerhard Satzinger
  • Patent number: 4082757
    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 10, 1976
    Date of Patent: April 4, 1978
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Stephen J. Kesten, Harold Zinnes