Patents by Inventor Gregory B. Bennett

Gregory B. Bennett 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).

  • Pyrano[4,3-e]-as-triazines and corresponding 4-oxides
    Patent number: 4285944
    Abstract: This disclosure describes novel compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent hydrogen, halo having an atomic weight of about 19 to 36, lower alkyl, straight chain lower alkoxy, amino, nitro or trifluoromethyl, andR.sub.3 represents hydrogen or lower alkyl, andX represents ##STR2## which are useful as sleep inducers.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: August 25, 1981
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett
  • Pyrano[4,3-e]-as-triazines and corresponding 4-oxides
    Patent number: 4228280
    Abstract: This disclosure describes novel compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent hydrogen, halo having an atomic weight of about 19 to 36, lower alkyl, straight chain lower alkoxy, amino, nitro or trifluoromethyl, andX represents ##STR2## which are useful as minor tranquilizers and sleep inducers.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: October 14, 1980
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett
  • 6-(Substituted phenyl)-4,5-dihydro-pyridazin-3(2H)-ones
    Patent number: 4177273
    Abstract: The present invention provides new pyridazinones of the formula ##STR1## where R is alkyl;R.sub.1 and R.sub.2 are halo, alkyl, alkoxy, amino; nitro or trifluoromethyl;R.sub.3 is hydrogen, hydroxy, or acyloxy;R.sub.4 is hydrogen or alkyl; andR.sub.5 is hydroxy or acyl;which are useful as central nervous system depressants.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: December 4, 1979
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett
  • Process for the preparation of 1,3,3-trimethyl-2-oxabicyclo[2,2,2]octan-6-ones
    Patent number: 4170599
    Abstract: 1,3,3-Trimethyl-2-oxabicyclo[2,2,2]octan-6-ones are prepared by first epoxidizing .alpha.-terpineol with a peracid and thereafter oxidizing the resulting product with an appropriate oxidizing agent.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: October 9, 1979
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett
  • Furo(3,4-E)-as-triazines and corresponding 4-oxides as sleep inducers and minor tranquilizers
    Patent number: 4055643
    Abstract: 5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines and corresponding 4-oxides, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triazine and 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triazine-4-oxide, are prepared from 2,2,5,5-tetramethyl-3,4(2H,5H)-furandione-3-hydrazone-4-oximes and are useful as sleep inducers and minor tranquilizers.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: October 25, 1977
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett
  • 3-Pyridyl and pyridyl-N-oxide-furo[3,4-e]-as-triazines
    Patent number: 4013767
    Abstract: Substituted or unsubstituted-3-pyridyl and pyridyl-N-oxide-furo[3,4-e]-as-triazines, e.g., 5,7-dihydro-3-(2-pyridyl)-5,5,7,7-tetramethyl-furo[3,4-e] -as-triazine are prepared by reacting 2,2,5,5-tetramethyl-3,4(2H,5H)furandiones with substituted or unsubstituted pyridylcarboxamidic acid hydrazides and are useful as sleep inducers and minor tranquilizers.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: March 22, 1977
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett
  • Furo(3,4-e)-as-triazines and corresponding 4-oxides
    Patent number: 3963713
    Abstract: 5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines and corresponding 4-oxides, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triazine and 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triazine-4-oxide, are prepared from 2,2,5,5-tetramethyl-3,4(2H,5H)-furandione-3-hydrazone-4-oximes and are useful as sleep inducers and minor tranquilizers.
    Type: Grant
    Filed: June 12, 1975
    Date of Patent: June 15, 1976
    Assignee: Sandoz, Inc.
    Inventor: Gregory B. Bennett