Patents by Inventor John F. Cavalla

John F. Cavalla 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).

  • Patent number: 4466963
    Abstract: Pharmaceutical compositions containing meptazinol or a pharmaceutically acceptable acid addition salt thereof and ibuprofen or a pharmaceutically acceptable salt thereof are useful in treating pain in mammals.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: August 21, 1984
    Assignee: John Wyeth & Brother Limited
    Inventors: John F. Cavalla, Roger J. Stephens
  • Patent number: 4428954
    Abstract: Treating cerebrovascular disorders characterized by poor oxygenation with 3-[2-C benzamide-1-piperidyl) ethyl] indole.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: January 31, 1984
    Assignee: John Wyeth and Brother Limited
    Inventors: John F. Cavalla, Michael G. Wyllie
  • Patent number: 4356185
    Abstract: The invention concerns compounds of formula ##STR1## or salts thereof, wherein R represents an acyl group which possess anti-inflammatory activity and have low toxicity. Methods for preparing the compounds and pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: March 25, 1981
    Date of Patent: October 26, 1982
    Assignee: John Wyeth & Brother Limited
    Inventor: John F. Cavalla
  • Patent number: 4296029
    Abstract: 2-Oxo-hexahydroazepine, -piperidine or pyrrolidines of formula ##STR1## wherein n is 2,3 or 4, R is hydrogen, lower alkyl, aryl(lower)alkyl, loweralkenylmethyl or cycloalkylmethyl, R.sup.1 is hydrogen or lower alkyl and R.sup.2 is hydrogen, lower alkyl or aryl(lower)alkyl are prepared by a novel process involving reaction of an anion of a lactam of formula ##STR2## where R.sup.3 is lower alkyl, aryl(lower)alkyl, trialkyl-, triaryl- or triarylalkyl-silyl with a benzyne of formula ##STR3## where R.sup.4 is lower alkyl, aryl(lower)alkyl or trialkyl-, triaryl- or triarylalkyl-silyl. The products are useful as intermediates for preparing pharmacologically active 2-unsubstituted -hexahydroazepine, -piperidine and pyrrolidine derivatives.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: October 20, 1981
    Assignee: John Wyeth & Brother Limited
    Inventors: Brian J. Bushell, John F. Cavalla, Robin G. Shepherd, Alan C. White
  • Patent number: 4197241
    Abstract: The invention concerns novel 2-oxo-hexahydroazepine, -piperidine and -pyrrolidine derivatives of formula (I) and their aromatized derivatives of formula (II) ##STR1## where n is 2, 3 or 4, R is hydrogen, lower alkyl or aryl(lower)alkyl, R.sup.2 is hydrogen, lower alkyl or aryl(lower)alkyl and R.sup.3 is hydrogen, lower alkyl, aryl(lower)alkyl, lower alkenyl or lower alkynyl. The compounds are useful as intermediates for preparing 3,3-disubstituted -hexahydroazepine, -piperidine and -pyrrolidine compounds having pharmacological activity, particularly analgesic activity.
    Type: Grant
    Filed: November 15, 1978
    Date of Patent: April 8, 1980
    Assignee: John Wyeth & Brother Limited
    Inventors: John F. Cavalla, Alan C. White
  • Patent number: 4197239
    Abstract: The invention concerns novel 2-oxo-hexahydroazepine, -piperidine and -pyrrolidine of formula I ##STR1## where n is 2,3 or 4, R is hydrogen, lower alkyl or aryl(lower)alkyl and R.sup.1 is lower alkyl. The compounds may be aromatized and the aromatized compounds converted to 3,3-disubstituted-hexahydroazepine, -piperidine and -pyrrolidine compounds having pharmacological activity, particularly analgesic activity.
    Type: Grant
    Filed: November 15, 1978
    Date of Patent: April 8, 1980
    Assignee: John Wyeth & Brother Limited
    Inventors: John F. Cavalla, Alan C. White, Robin G. Shepherd
  • Patent number: 4127663
    Abstract: 4-(p-Chlorophenyl)-2-phenyl-5-thiazoleacetic acid and its pharmaceutically acceptable salts are useful as topical anti-inflammatory agents. The compounds can be administered in association with a pharmaceutically acceptable topical carrier.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: November 28, 1978
    Assignee: John Wyeth & Brother Limited
    Inventor: John F. Cavalla