Patents by Inventor Richard P. Carlson

Richard P. Carlson 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).

  • Hydroxy substituted 4,5-diphenyl-2-oxazole propanoic acid
    Patent number: 4659728
    Abstract: This invention discloses 5-(4-hydroxyphenyl)-4-phenyl-2-oxazolepropanoic acid, 4-(4-hydroxyphenyl-5-phenyl-2-oxazolepropanoic acid and pharmaceutically acceptable salts thereof as antiinflammatory agents, pharmaceutical compositions thereof and methods for their use.
    Type: Grant
    Filed: February 25, 1985
    Date of Patent: April 21, 1987
    Assignee: American Home Products Corporation
    Inventors: Alan J. Lewis, Richard P. Carlson, Horace Fletcher, 3rd
  • Phenylpyrazolidine acetic acid derivatives
    Patent number: 4551538
    Abstract: There are disclosed compounds having the formula ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, trifluoromethyl or halo;R.sup.2 is hydrogen, trifluoromethyl or halo; andR.sup.3 is hydrogen, nitro or carboxy;which possess lipoxygenase and cyclo-oxygenase inhibitory activity, making them useful as anti-inflammatory agents and which also possess analgesic activity.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: November 5, 1985
    Assignee: American Home Products Corporation
    Inventors: Peter H. L. Wei, Richard P. Carlson
  • Method for modulating the immune response with dibenzocycloheptenylidenes
    Patent number: 4376124
    Abstract: A method of modulating the immune response in mammals by administering thereto compounds having the general formula: ##STR1## where R is hydrogen or alkyl of 1-4 carbon atoms, R.sup.1 is hydrogen or an alkyl of 1-4 carbon atoms and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: March 8, 1983
    Assignee: American Home Products Corporation
    Inventors: Richard P. Carlson, Richard L. Fenichel, Alan J. Lewis, Milton Wolf