Patents by Inventor Meier E. Freed

Meier E. Freed 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).

  • 1,3-Bridged amino tetralins
    Patent number: 4076953
    Abstract: 1,3-Bridged-2-amino tetralins, having spiro substitution or the bridge, and intermediates thereto. The final products have analgesic activity.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: February 28, 1978
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane amines
    Patent number: 4049701
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: September 20, 1977
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • 1,3-Bridged amino tetralins
    Patent number: 4034041
    Abstract: 1,3-Bridged-2-amino tetralins, having spiro substitution or the bridge, and intermediates thereto. The final products have analgesic activity.
    Type: Grant
    Filed: March 13, 1975
    Date of Patent: July 5, 1977
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • 2,3,4,4A-Tetrahydro-1H-pyrazino[1,2-a,]quinoxalin-5(6H)-ones and derivatives thereof for relieving hypertension
    Patent number: 4032639
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen (lower)alkyl, phen(lower)alkyl, benzoyl(lower)alkyl, or p-halobenzoyl(lower)alkyl; R.sup.1 is hydrogen or (lower)alkyl; R.sup.2 is hydrogen, (lower)alkyl, (lower)alkoxy, chlorine, fluorine, trifluoromethyl, or amino in the 7-, 8-, or 9-position; R.sup.3 is hydrogen, or (lower)alkyl; and R.sup.4 is hydrogen, (lower)alkyl, (lower)alkoxy, chlorine, fluorine, or trifluoromethyl in the 7-, 8-, or 9-position; or the non-toxic acid addition salts thereof; exert a hypotensive effect in hypertensive animals.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: June 28, 1977
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • 10-Aryl-1,2,3,4-tetrahydropyrazino(1,2-.alpha.)indole and derivatives thereof
    Patent number: 4022778
    Abstract: Novel 10-aryl-1,2,3,4-tetrahydropyrazino(1,2-.alpha.)indole and derivatives and intermediates for their preparation are described, the products having anticonvulsant and central nervous system depressant activity.
    Type: Grant
    Filed: November 5, 1971
    Date of Patent: May 10, 1977
    Assignee: American Home Products Corporation
    Inventor: Meier E. Freed
  • Benzobicycloalkane
    Patent number: 4001331
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: January 4, 1977
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane imines
    Patent number: 4001326
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: January 4, 1977
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane amines
    Patent number: 3979434
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: September 7, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkanone oximes
    Patent number: 3976693
    Abstract: Benzobicycloalkanone oximes which are intermediates for the preparation of benzobicycloalkane amines. The amines exert analgesic and antiinflammatory effects in warm-blooded animals.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: August 24, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane amines
    Patent number: 3976696
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: August 24, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Preparation of 5,8-methano-5H-benzocyclohepten-10-amines
    Patent number: 3966815
    Abstract: Processes for the preparation of 5,8-methano-5H-benzocyclohepten-10-amines are disclosed. The final products are analgesics.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: June 29, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane amine N-oxides and the salts thereof
    Patent number: 3957872
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and antiinflammatory activity.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: May 18, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane amines
    Patent number: 3937736
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: February 10, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski
  • Benzobicycloalkane ketones
    Patent number: 3931328
    Abstract: Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity.
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: January 6, 1976
    Assignee: American Home Products Corporation
    Inventors: Meier E. Freed, John R. Potoski