Patents by Inventor Robert A. Farr

Robert A. Farr 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).

  • Cinnamoylpiperidinobutyrophenone antipsychotic agents
    Patent number: 4284636
    Abstract: Cinnamoylpiperidinobutyrophenone derivatives and pharmaceutically acceptable salts thereof of the following general structure: ##STR1## wherein R is hydrogen, alkyl, alkoxy, halogen or trifluoromethyl; and R' is hydrogen or halogen; are useful as antipsychotic agents. The novel compounds are produced by aldol condensation of a benzaldehyde with a protected 4-(4-acetyl-1-piperidino)-butyrophenone.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: August 18, 1981
    Assignee: Richardson-Merrell Inc.
    Inventors: Albert A. Carr, Robert A. Farr
  • Aroylethenylpiperidinobutyrophenone antipsychotic agents
    Patent number: 4283404
    Abstract: 4-Aroylethnyl-1-piperidinobutyrophenone derivatives and pharmaceutically acceptable salts thereof of the following general structure: ##STR1## wherein R is hydrogen, alkyl, alkoxy, halogen or trifluoromethyl; and R' is hydrogen or halogen, are useful as antipsychotic agents. The novel compounds are produced by aldol condensation of an acetophenone with a protected 4-(4-formyl-1-piperidino)-butyrophenone.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: August 11, 1981
    Assignee: Richardson-Merrell Inc.
    Inventors: Albert A. Carr, Robert A. Farr
  • 2,4a-Ethanobenz[g]isoquinolin-5(1H)-ones and their use as anti-fertility and analgesic agents
    Patent number: 4244955
    Abstract: 2,4a-Ethanobenz[g]isoquinolin-5(1H)-one derivatives are described which are useful as analgesic and anti-fertility agents.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: January 13, 1981
    Assignee: Richardson-Merrell Inc.
    Inventors: Robert A. Farr, Joseph E. Dolfini
  • Red pigment and process
    Patent number: 3993789
    Abstract: A red colorant having the general formula ##SPC1##In whichR represents an aliphatic radical, andR' represents the radical of a compound of the formula H.sub.2 N--R', which compound is an amino sugar, a polymer of an amino sugar, a polyamino acid or an amino alcohol.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: November 23, 1976
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: Hans Rudolf Moll, David Robert Farr