Patents by Inventor Charles F. Hobbs

Charles F. Hobbs 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).

  • Catalyst and reverse disproportionation process
    Patent number: 4514519
    Abstract: A catalyst containing tungsten, an alkali or alkaline earth component, and iron on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: April 30, 1985
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4511672
    Abstract: A catalyst containing tungsten, potassium, and bismuth on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: April 16, 1985
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4490477
    Abstract: A catalyst containing tungsten, iridium, and an alkali or alkaline earth component, preferably potassium, on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: December 25, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst for the reverse disproportionation process
    Patent number: 4487849
    Abstract: A catalyst containing tungsten, copper, and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: December 11, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst useable in a reverse disproportionation process
    Patent number: 4474897
    Abstract: A catalyst containing tungsten, lead, and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: August 17, 1983
    Date of Patent: October 2, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4448894
    Abstract: A catalyst containing tungsten, antimony and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: May 15, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4440967
    Abstract: A catalyst containing tungsten, cobalt, and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: April 3, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4440968
    Abstract: A catalyst containing tungsten, iridium, and an alkali or alkaline earth component, preferably potassium, on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: April 3, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4439626
    Abstract: A catalyst containing tungsten, copper, and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: March 27, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4439628
    Abstract: A catalyst containing tungsten, potassium, and bismuth on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: March 27, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4439627
    Abstract: A catalyst containing tungsten, an alkali or alkaline earth component, and iron on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: March 27, 1984
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4419527
    Abstract: A catalyst containing tungsten, lead, and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: December 6, 1983
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Catalyst and reverse disproportionation process
    Patent number: 4419526
    Abstract: A catalyst containing tungsten, antimony and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse disproportionation of stilbene and ethylene to produce styrene.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: December 6, 1983
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs
  • Asymmetric amination of 1,3-dienes
    Patent number: 4204997
    Abstract: A process for the asymmetric synthesis of amines which comprises the amination of a conjugated diene having from 4 to about 20 carbon atoms in the presence of a catalyst system comprising a palladium compound and an optically active phosphine ligand containing at least two phosphorus atoms.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: May 27, 1980
    Assignee: Monsanto Company
    Inventors: Charles F. Hobbs, Dudley E. McMackins
  • Anti-jamming communication system
    Patent number: 4179657
    Abstract: 1.
    Type: Grant
    Filed: August 28, 1958
    Date of Patent: December 18, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Charles F. Hobbs
  • Production of unsaturated amines
    Patent number: 4130590
    Abstract: N-(alkadienyl)amines are produced at a rapid rate and in high yield by the reaction of conjugated dienes with ammonia and amines in a hydroxylic solvent using a catalyst system comprising a palladium compound co-catalyzed with a phosphonite ligand.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: December 19, 1978
    Assignee: Monsanto Company
    Inventors: Charles F. Hobbs, Dudley E. McMackins
  • Production of primary and secondary amines by reaction of ammonia with conjugated diene in the presence of Pd/phosphine catalyst and primary or secondary aliphatic alcohol solvent medium
    Patent number: 4120901
    Abstract: Short chain, unsaturated primary and secondary amines are prepared by reaction of ammonia and conjugated dienes in a primary or secondary aliphatic alcohol solvent medium and in the presence of a catalyst system comprising a palladium compound co-catalyzed with a phosphine ligand containing 2 to 4 phosphorus atoms.
    Type: Grant
    Filed: August 31, 1977
    Date of Patent: October 17, 1978
    Assignee: Monsanto Company
    Inventors: Charles F. Hobbs, Dudley E. McMackins
  • Production of N-(alkadienyl)amines
    Patent number: 4100196
    Abstract: In the process of producing N-(alkadienyl)amines by the amination of conjugated dienes in a hydroxylic solvent medium in the presence of a catalyst comprising a palladium compound co-catalyzed with a phosphonite ligand, the improvement in which the phosphonite ligand is polymerized with polyvinyl alcohol whereby the catalyst can be readily separated from the liquid rection products.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: July 11, 1978
    Assignee: Monsanto Company
    Inventors: Charles F. Hobbs, Dudley E. McMackins
  • Production of unsaturated amines employing a palladium compound co-catalyzed with a phosphonite ligand
    Patent number: 4100194
    Abstract: N-(alkadienyl)amines are produced at a rapid rate and in high yield by the reaction of conjugated dienes with ammonia and amines in a hydroxylic solvent using a catalyst system comprising a palladium compound co-catalyzed with a phosphonite ligand.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: July 11, 1978
    Assignee: Monsanto Company
    Inventors: Charles F. Hobbs, Dudley E. McMackins
  • Catalytic amination of polymeric polyols and resulting amino substituted polymers
    Patent number: 4070530
    Abstract: Amino substituted polymeric polyols are produced through Group VIII metal catalytic amination of polymers comprising ethylenically unsaturated alcohols and copolymers of said alcohols and vinyl compounds. Polyamines produced by the amination of polyols and/or copolymers thereof having pendant amino and hydroxyl groups or polyamines having said groups fixed to pendant methylene groups are represented by the general formula: ##STR1## WHERE R is hydrogen or an acyl group;R', r" are hydrogen or an alkyl groupn is an integer andm, p and w are integers of 1 or more; and ##STR2## WHERE R and R' are hydrogen or an alkyl group,m is an integern, p, and i w are integers of one or more.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: January 24, 1978
    Assignee: Monsanto Company
    Inventor: Charles F. Hobbs