Patents by Inventor James H. Boothe

James H. Boothe 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).

  • Derivatives of 3-(formylmethylthio)-propanoate
    Patent number: 4454336
    Abstract: This disclosure describes a novel process for the synthesis of 5-mercapto-1,2,3-thiadiazoles which are useful as intermediates in the preparation of antibacterial agents.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: June 12, 1984
    Assignee: American Cyanamid Company
    Inventors: William V. Curran, Martin L. Sassiver, James H. Boothe
  • Cephalosporanic acid derivatives
    Patent number: 4404375
    Abstract: 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventors: James H. Boothe, Adma S. Ross
  • Cephalosporanic acid derivatives
    Patent number: 4404374
    Abstract: 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventors: James H. Boothe, Adma S. Ross
  • Cephalosporanic acid derivatives
    Patent number: 4404376
    Abstract: 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventors: James H. Boothe, Adma S. Ross
  • 7-[D.alpha.-(Coumarin-3-carboxamido)arylacetamido]-cephalosporanic acids or salts
    Patent number: 4343938
    Abstract: This disclosure describes compounds of the class of 6-[D-.alpha.-(substituted-coumarin-3-carboxamido)phenylacetamido ]penicillanic acids which possess antimicrobial activity.
    Type: Grant
    Filed: September 23, 1981
    Date of Patent: August 10, 1982
    Assignee: American Cyanamid Company
    Inventors: Martin L. Sassiver, James H. Boothe
  • 6-[D-.alpha.-(Coumarin-3-carboxamido)arylacetamido]-penicillanic acids or salts
    Patent number: 4341703
    Abstract: This disclosure describes compounds of the class of 6-[D-.alpha.-(benzocoumarin-3-carboxamido)phenylacetamido] penicillanic acids which possess antimicrobial activity.
    Type: Grant
    Filed: September 23, 1981
    Date of Patent: July 27, 1982
    Assignee: American Cyanamid Company
    Inventors: Martin L. Sassiver, James H. Boothe
  • 6-[D-.alpha.-(Coumarin-3-carboxamido)arylacetamido]-penicillanic acids or salts
    Patent number: 4317774
    Abstract: This disclosure describes compounds of the class of 6-[D-.alpha.-(substituted-coumarin-3-carboxamido)phenylacetamido]penicilla nic acids which possess antimicrobial activity.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: March 2, 1982
    Assignee: American Cyanamid Company
    Inventors: Martin L. Sassiver, James H. Boothe