Patents by Inventor Robert Arthur Maxwell

Robert Arthur Maxwell 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).

  • Quaternary ammonium compounds useful as antifibrillatory agent
    Patent number: 4001433
    Abstract: Compounds containing the N-m-methoxybenzyl-N,N-dimethyl-N-2-hydroxyethylammonium cation and non-toxic salts of the N-m-methoxybenzyl-N,N-dimethyl-N-ethylammonium cation.The compounds have antiarrhythmic properties, and are useful specifically as antifibrillatory agents.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: January 4, 1977
    Assignee: Burroughs Wellcome Co.
    Inventors: Robert Arthur Maxwell, Frederick Charles Copp
  • Substituted guanidine compounds in the treating of arrythmias
    Patent number: 3968243
    Abstract: N- substituted - guanidines having antifibrillatory activity; non-toxic salts thereof; pharmaceutical compositions thereof; and their use in treating cardiac fibrillations.
    Type: Grant
    Filed: January 21, 1974
    Date of Patent: July 6, 1976
    Assignee: Burroughs Wellcome Co.
    Inventors: Robert Arthur Maxwell, Eric Walton
  • Substituted guanidine compounds as antifibrillatory agents
    Patent number: 3949089
    Abstract: Acid addition salts of N-p-methylbenzyl-N',N"-dimethylguanidine and of N-p-methoxybenzyl-N',N"-dimethylguanidine.The compounds have antiarrhythmic properties, and are useful specifically as antifibrillatory agents.
    Type: Grant
    Filed: January 14, 1974
    Date of Patent: April 6, 1976
    Assignee: Burroughs Wellcome Co.
    Inventors: Robert Arthur Maxwell, Eric Walton