Patents by Inventor Grover C. Helsley

Grover C. Helsley 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).

  • Benzoylpiperidylalkylindoles in alleviating pain
    Patent number: 4110459
    Abstract: New benzoylpiperidylalkylindoles and related compounds possessing tranquilizing, anti-hypertensive and analgesic properties and a process for the preparation thereof are described.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: August 29, 1978
    Assignee: American Hoechst Corporation
    Inventors: Grover C. Helsley, Joseph T. Strupczewski, Beth Ann Gardner
  • Benzyl and related esters of 6,11-dihydrodibenz[b,e]oxepin-acetic acids
    Patent number: 4107322
    Abstract: Benzyl and related esters of 6,11-dihydrodibenz[b,e]oxepin-acetic and method for preparing same are described. These compounds are valuable as systemic and topical anti-inflammatory agents.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: August 15, 1978
    Assignee: American Hoechst Corporation
    Inventors: Arthur R. McFadden, Grover C. Helsley
  • Benzoylpiperidylalkylindoles
    Patent number: 4101663
    Abstract: New benzoylpiperidylalkylindoles and related compounds possessing tranquilizing, anti-hypertensive and analgesic properties and a process for the preparation thereof are described.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: July 18, 1978
    Assignee: American Hoechst Corporation
    Inventors: Grover C. Helsley, Joseph T. Strupczewski, Beth Ann Gardner
  • Benzoylpiperidylalkylindoles
    Patent number: 4046900
    Abstract: New benzoylpiperidylalkylindoles and related compounds possessing tranquilizing, anti-hypertensive and analgesic properties and a process for the preparation thereof are described.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: September 6, 1977
    Assignee: American Hoechst Corporation
    Inventors: Grover C. Helsley, Joseph T. Strupczewski, Beth Ann Gardner
  • Method of treating pain and hypertension
    Patent number: 4031221
    Abstract: 3-[2-(Phenyloxycycloazalkyl)ethyl]indoles possessing antihypertensive, analgesic, and tranquilizing properties and process for their preparation are described.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: June 21, 1977
    Assignee: American Hoechst Corporation
    Inventors: Grover C. Helsley, Joseph Strupczewski
  • Substituted N-aminoalkylpyrroles
    Patent number: 3997557
    Abstract: Substituted N-aminoalkylpyrroles of the formula: ##STR1## IN WHICH X, Z, R.sub.1, -R.sub.5 and n are as defined below, and their physiologically tolerable acid addition salts are disclosed to have antiarrhythmic, central nervous system depressant, antiinflammatory and antihypertensive activity. A process for their preparation is also disclosed.
    Type: Grant
    Filed: April 23, 1974
    Date of Patent: December 14, 1976
    Assignee: American Hoechst Corporation
    Inventors: Grover C. Helsley, Richard C. Effland, Larry Davis
  • Aminoalkylthiopyranopyrroles
    Patent number: 3991076
    Abstract: Aminoalkylthiopyranopyrroles and related compounds of the formula ##SPC1##In which R.sub.1, R.sub.2, R.sub.3, X, m, n and p are as defined below, and their physiologically tolerable acid addition salts are disclosed to possess antiinflammatory and antiarrhythmic properties. A process for their preparation is also disclosed.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: November 9, 1976
    Assignee: American Hoechst Corporation
    Inventors: Grover C. Helsley, C. R. Taylor, Jr.
  • 5-(3-)SUBSTITUTED-10,11-DIHYDRO-5H-dibenz[b,f]azepines
    Patent number: 3968217
    Abstract: 5-(3-)Substituted-10,11-dihydro-5H-dibenz[b,f]azepines useful as antidepressants and methods of preparation are disclosed.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: July 6, 1976
    Assignee: A. H. Robins Company, Incorporated
    Inventor: Grover C. Helsley
  • Substituted 2-phenyl-4,6,7,8-tetrahydrofuro and 1,4,5,6,7,8-hexahydropyrrolo[3,2,-c]azepines
    Patent number: 3952025
    Abstract: Substituted 2-phenyl-4,6,7,8-tetrahydrofuro- and 1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepines and physiologically tolerable acid addition salts thereof possessing analgesic and tranquilizing properties, and a process for their preparation are described.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: April 20, 1976
    Assignee: American Hoechst Corporation
    Inventors: Richard C. Effland, Larry Davis, Grover C. Helsley
  • 1-Substituted-3-amidopyrrolidines
    Patent number: RE29828
    Abstract: 1-Substituted-3-amidopyrrolidines useful as analgetics and anti-depressants are disclosed. The compounds are prepared by acylation of 1-substituted-3-aminopyrrolidines.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: November 7, 1978
    Assignee: A. H. Robins Company, Inc.
    Inventors: Carl D. Lunsford, Grover C. Helsley