Patents by Inventor Robert Frederick Boswell, Jr.

Robert Frederick Boswell, Jr. 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).

  • Process for making 5,11-Dihydro-11-ethyl-5-methyl-8{2-{(1-oxido-4-quinolinyl)oxy}ethyl}-6H-di pyrido[3,2-b:2?,3?-e][1,4]diazepin-6-one
    Patent number: 7282583
    Abstract: An improved process for making 5,11-dihydro-11-ethyl-5-methyl-8-{2-{(1-oxido-4-quinolinyl)oxy}ethyl}-6H-di pyrido[3,2-b:2?,3?-e][1,4]diazepin-6-one.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: October 16, 2007
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Saeed Ahmad, Robert Frederick Boswell, Jr., Jack Delbert Brown, Cary Mark Davis, Kai Oliver Donsbach, Bernard Franklin Gupton, Christopher Peter Johnson, III, Ahmad Khodabocus, Vithalanand R. Kulkarni, Young S. Lo
  • 1-Substituted-3-aminoethoxypyrrolidines
    Patent number: 4096331
    Abstract: 1-Substituted-3-aminoethoxypyrrolidines possessing hypotensive properties are disclosed. The compounds are prepared from 3-aminoethoxypyrrolidines.
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: June 20, 1978
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Robert Frederick Boswell, Jr., Robert Louis Duncan, Jr.
  • 1-Substituted-4-benzylpiperidines
    Patent number: 4032642
    Abstract: Novel 1-substituted-4-benzylpiperidines having .alpha.-substituents on the 4-benzyl moiety useful as anti-inflammatory agents, sedatives, and tranquilizers are represented by the formula ##STR1## wherein R represents acetyl, aryloxyloweralkyl, aroylloweralkylcarbamoyl, N-lower-alkylcarbamoyl, N,N-dilower-alkylcarbamoyl, N-arylcarbamoyl, N-(.omega.-nitrogen containing heterocycle)lower-alkylcarbamoyl, N(-.omega.-aminolower-alkyl)carbamoyl, 2-hydroxy-3-(o-methoxyphenoxy)propyloxycarbonyl, 2-carbamoylethyl, or 4-(p-fluorobenzoyl)piperidinoethyl; R.sup.1 represents hydrogen or hydroxy; R.sup.2 represents phenyl, p-fluorophenyl, m-trifluoromethylphenyl or cyclohexyl; Y represents hydrogen or fluorine with the proviso that when Y is hydrogen and R.sup.2 is phenyl, R is other than aroylloweralkyl. The pharmaceutically acceptable acid addition salts of the basic compounds of Formula I are included as part of the invention.
    Type: Grant
    Filed: January 27, 1976
    Date of Patent: June 28, 1977
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Robert Louis Duncan, Jr., Robert Frederick Boswell, Jr.
  • 1-Substituted-4-benzylpiperidines
    Patent number: 3956296
    Abstract: Novel 1-substituted-4-benzylpiperidines having .alpha.-substituents on the 4-benzyl moiety useful as antiinflammatory agents, sedatives, and tranquilizers are represented by the formula ##SPC1##Wherein R represents acetyl, aryloxyloweralkyl, aroylloweralkylcarbamoyl, N-lower-alkylcarbamoyl, N,N-dilower-alkylcarbamoyl, N-arylcarbamoyl, N-(.omega.-nitrogen containing heterocycle)lower-alkylcarbamoyl, N-(.omega.-aminolower-alkyl)carbamoyl, 2-hydroxy-3-(o-methoxyphenoxy)propyloxycarbamoyl, 2-carbamoylethyl, or 4-(p-fluorobenzoyl)piperidinoethyl; R.sup.1 represents hydrogen or hydroxy; R.sup.2 represents phenyl, p-fluorophenyl, m-trifluoromethylphenyl or cyclohexyl; Y represents hydrogen or fluorine with the proviso that when Y is hydrogen and R.sup.2 is phenyl, R is other than aroylloweralkyl. The pharmaceutically acceptable acid addition salts of the basic compounds of Formula I are included as part of the invention.
    Type: Grant
    Filed: December 11, 1974
    Date of Patent: May 11, 1976
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Robert Louis Duncan, Jr., Robert Frederick Boswell, Jr.