Patents by Inventor Robert G. Shepherd

Robert G. Shepherd 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).

  • Antiatherosclerotic diphenyl alkanamides
    Patent number: 4603145
    Abstract: This disclosure describes novel diaryl-alkanamides. These compounds are useful as pharmaceutical agents for ameliorating atherosclerosis by inhibiting the formation and development of atherosclerotic lesions in the arterial wall of mammals.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: July 29, 1986
    Assignee: American Cyanamid Company
    Inventors: Vern G. DeVries, Robert G. Shepherd, Janis Upeslacis
  • Aralkanamidophenyl compounds
    Patent number: 4536346
    Abstract: This disclosure describes novel substituted aralkanamidobenzoic acids and analogs thereof. These compounds are useful pharmaceutical agents for ameliorating atherosclerosis by inhibiting the formation and development of atherosclerotic lesions in the arterial wall of mammals.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: August 20, 1985
    Assignee: American Cyanamid Company
    Inventors: Robert G. Shepherd, Janis Upeslacis
  • Fluid pressure repeating pistol with unitary barrel and hammer assembly
    Patent number: 4531503
    Abstract: A single-action, gas powered repeating pistol has a sliding unitary barrel and hammer assembly with the barrel and hammer aligned on opposite sides of a fixed pressure chamber. In the uncocked condition, the hammer extends rearwardly of the main frame so that cocking may be effected by merely slapping the rear of the hammer to force the assembly forward to be retained by a trigger mounted sear.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: July 30, 1985
    Inventor: Robert G. Shepherd
  • Arylalkylaminobenzoic acids
    Patent number: 4489094
    Abstract: This disclosure describes novel [Bis(phenyl or substituted phenyl)alkyl]amino benzoic acids, esters, and derivatives thereof. These compounds are useful pharmaceutical agents for ameliorating atherosclerosis by inhibiting the formation and development of atherosclerotic lesions in the arterial walls of mammals.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: December 18, 1984
    Assignee: American Cyanamid Company
    Inventors: Robert G. Shepherd, Janis Upeslacis
  • Dibenzocycloalkanamido and dibenzothioxanthenyl benzoic acids
    Patent number: 4489090
    Abstract: This disclosure describes novel dibenzocycloalkanamido-benzoic acids and esters. Also described are dibenzothioxanthenyl-benzoic acids and esters. These compounds are useful pharmaceutical agents for ameliorating atherosclerosis by inhibiting the formation and development of atherosclerotic lesions in the arterial walls of mammals.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: December 18, 1984
    Assignee: American Cyanamid Company
    Inventors: Vern G. DeVries, Robert G. Shepherd
  • Method of treating hyperlipidemia with 4-(monoalkylamino)benzoic acid amides
    Patent number: 4485105
    Abstract: This disclosure describes a method of treating hyperlipidemia and atherosclerotic lesions with 4-(monoalkylamino)benzoic acid amides and compositions therefor.
    Type: Grant
    Filed: May 30, 1980
    Date of Patent: November 27, 1984
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Antiatherosclerotic 1-piperazine-thicarboxamides
    Patent number: 4450272
    Abstract: This disclosure describes 4-heteroaryl-1-piperazinethiocarboxamides useful in the treatment of atherosclerosis in mammals.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: May 22, 1984
    Assignee: American Cyanamid Company
    Inventors: Mila T. Du, Robert G. Shepherd
  • Anti-atherosclerotic agents
    Patent number: 4440940
    Abstract: This disclosure describes 2- or 3-[(unsaturated or cyclopropylated alkyl)amino]phenyl compounds and derivatives useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: April 3, 1984
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Antiatherosclerotic 1-piperazinecarbonyl compounds
    Patent number: 4439606
    Abstract: This disclosure describes 4-aryl, -heteroaryl and -heteroarylmethyl-1-piperazinecarbonyl compounds which are capable of ameliorating atherosclerosis in mammals.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: March 27, 1984
    Assignee: American Cyanamid Company
    Inventors: Mila T. Du, Robert G. Shepherd
  • 4-[(Cycloalkyl or cycloalkenyl substituted) amino, alkylamino or alkenylamino]benzoic acids, salts and derivatives thereof
    Patent number: 4423051
    Abstract: This disclosure describes novel 4-[(cycloalkyl or cycloalkenyl substituted)amino, alkylamino or alkenylamino]-benzoic acids, salts and derviatives of these such as cycloalkylamino, cycloalkenylamino, cycloalkyl-alkylamino, cycloalkyl-alkenylamino, cycloalkenyl-alkylamino, and cycloalkyl-cycloalkylamino benzoic acids and derivatives and suitable salts of these; these compounds are useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: December 27, 1983
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • 4-[(Monosubstituted-alkyl)amino]benzoic acids and analogs as hypolipidemic and antiatherosclerotic agents
    Patent number: 4411903
    Abstract: This disclosure describes novel 4-](monosubstituted-alkyl)amino]benzoic acids and analogs which are useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: October 25, 1983
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Certain cinnamic acid or propiolic acid derivatives
    Patent number: 4388459
    Abstract: This disclosure describes novel 4-[(cycloalkyl or cycloalkenyl substituted)amino, alkylamino or alkenylamino]phenyl compounds, salts and derivatives of these such as cycloalkylamino, cycloalkenylamino, cycloalkyl-alkylamino, cycloalkyl-alkenylamino, cycloalkenyl-alkylamino, and cycloalkyl-cycloalkylamino phenyl compounds and derivatives and suitable salts of these; these compounds are useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: June 14, 1983
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Hypolipidemic and antiatherosclerotic novel (monosubstituted-amino)heteroaryl carboxylic acids and analogs
    Patent number: 4382143
    Abstract: This disclosure described novel (monosubstituted-amino)heteroaryl carboxylic acids and analogs which are useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: May 3, 1983
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Antilipidemicpara-[aryl(alkyl or alkenyl)amino]benzoic acid derivatives
    Patent number: 4350822
    Abstract: Novel para-[aryl(alkyl or alkenyl)amino]benzoic acids, esters, pharmaceutically acceptable salts and pharmaceutical compositions thereof and a method of lowering serum lipid levels in mammals therewith.
    Type: Grant
    Filed: March 15, 1979
    Date of Patent: September 21, 1982
    Assignee: American Cyanamid Company
    Inventors: Jay D. Albright, Thomas G. Miner, Robert G. Shepherd
  • Antiatherosclerotic and hypolipidemic 4-(monoalkylamino)phenyl alkane, alkene and alkyne carbinols, aldehydes, carboxylic acids and derivatives
    Patent number: 4348399
    Abstract: This disclosure describes novel 4-(monoalkylamino)phenyl alkane, alkene and alkyne carbinols, aldehydes, carboxylic acids and derivatives useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: September 7, 1982
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Ring-fluorinated 4-(monosubstituted-amino) phenyl compounds in inhibiting atherosclerotic lesion development
    Patent number: 4333940
    Abstract: The present invention relates to the use of certain ring-fluorinated 4-(monosubstituted-amino) phenyl compounds as hypolipidemic and antiatherosclerotic agents together with their pharmacologically acceptable acid-addition and cationic salts.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: June 8, 1982
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Hypolipidemic and antiatherosclerotic 4-(polyfluoro-alkylamino)phenyl compounds
    Patent number: 4318914
    Abstract: This disclosure describes novel 4-(polyfluoroalkylamino)phenyl compounds useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: March 9, 1982
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • 4-[(Monosubstituted-alkyl) amino]benzoic acids and analogs as hypolipidemic and antiatherosclerotic agents
    Patent number: 4311846
    Abstract: This disclosure describes novel 4-[(monosubstituted-alkyl)amino]benzoic acids and analogs which are useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: January 19, 1982
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Hypolipidemic and antiatherosclerotic 4-(polyfluoroalkylamino) phenyl compounds
    Patent number: 4310545
    Abstract: This disclosure describes novel 4-(polyfluoroalkylamino)phenyl compounds useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: January 12, 1982
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Aldehydes and ketones containing a 4-(monoalkylamino)-benzoyl substituent
    Patent number: 4309553
    Abstract: This disclosure describes novel aldehydes and ketones containing a 4-(monoalkylamino)phenyl moiety, derivatives and salts thereof, useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: June 3, 1980
    Date of Patent: January 5, 1982
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd