Patents by Inventor Bernard Cooker

Bernard Cooker 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).

  • Solid epoxidation catalyst and preparation
    Patent number: 6555493
    Abstract: The stability of a noble metal/titanium zeolite catalyst is improved by elevated temperature calcination with an oxygen containing gas; the catalyst is useful in epoxidation involving the reaction of olefin, oxygen and hydrogen.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: April 29, 2003
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Bernard Cooker, Jennifer D. Jewson, Wilson H. Onimus
  • Epoxidation catalyst and process
    Publication number: 20020072623
    Abstract: The stability of a noble metal/titanium zeolite catalyst is improved by elevated temperature calcination with an oxygen containing gas; the catalyst is useful in epoxidation involving the reaction of olefin, oxygen and hydrogen.
    Type: Application
    Filed: June 4, 2001
    Publication date: June 13, 2002
    Applicant: ARCO CHEMICAL TECHNOLOGY, L.P.
    Inventors: Bernard Cooker, Jennifer D. Jewson, Wilson H. Onimus
  • Epoxidation catalyst and process
    Patent number: 6281369
    Abstract: The stability of a noble metal/titanium zeolite catalyst is improved by elevated temperature calcination with an oxygen containing gas; the catalyst is useful in epoxidation involving the reaction of olefin, oxygen and hydrogen.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: August 28, 2001
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Bernard Cooker, Jennifer D. Jewson, Wilson H. Onimus
  • Chloride containing silver catalysts for propylene epoxidation
    Patent number: 5965480
    Abstract: Direct oxidation of propylene to propylene oxide is accomplished using alkaline earth metal compound-supported silver catalysts containing an inorganic chloride promoter and a potassium promoter derived from a potassium salt containing a nitrogen oxyanion or precursor thereof.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: October 12, 1999
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Bernard Cooker, Anne M. Gaffney, Jennifer D. Jewson, Wilson H. Onimus
  • Epoxidation process using supported silver catalysts treated with carbon dioxide
    Patent number: 5856534
    Abstract: The catalytic performance of a supported silver catalyst in a propylene epoxidation process is improved by first contacting the catalyst at an elevated temperature with a treatment stream comprised of carbon dioxide. The carbon dioxide-treated catalyst is thereafter contacted with a feedstream containing propylene, molecular oxygen, but essentially no carbon dioxide under conditions effective to form propylene oxide.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: January 5, 1999
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Bernard Cooker, Anne M. Gaffney, Jennifer D. Jewson, Andrew P Kahn
  • Propylene epoxidation using chloride-containing silver catalysts
    Patent number: 5780657
    Abstract: Direct oxidation of propylene to propylene oxide is accomplished using alkaline earth metal compound-supported silver catalysts containing an inorganic chloride promoter and a potassium promoter derived from a potassium salt containing a nitrogen oxyanion or precursor thereof.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: July 14, 1998
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Bernard Cooker, Anne M. Gaffney, Jennifer D. Jewson, Wilson H. Onimus
  • Epoxidation process using supported silver catalysts pretreated with organic chloride
    Patent number: 5770746
    Abstract: A propylene epoxidation process wherein a supported silver catalyst is utilized may be operated at high efficiency even in the absence of any organic chloride in the feedstream, provided the catalyst is first contacted at an elevated temperature with a treatment stream comprised of an organic chloride and molecular oxygen.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: June 23, 1998
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Bernard Cooker, Anne M. Gaffney, Jennifer D. Jewson, Andrew P. Kahn, Rangasamy Pitchai
  • Acidification/extraction treatment of waste caustic stream
    Patent number: 5675055
    Abstract: The waste organics containing caustic stream from a propylene oxide/styrene monomer process is preferably first concentrated by distillation and then contacted with strong acid such as sulfuric acid and an organic solvent, the admixture is phase separated and an aqueous sodium containing phase reduced in organics is separated from an organic solvent phase reduced in sodium.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: October 7, 1997
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Thomas I. Evans, Bernard Cooker, Rajendra S. Albal
  • Akylene oxide production
    Patent number: 5527436
    Abstract: The invention relates to the electrochemical production of alkylene oxides and particularly to a process wherein an alkylene oxide is produced at both the anode and cathode of an electrochemical reactor.
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: June 18, 1996
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Bernard Cooker, Robert N. Cochran
  • Process for synthesizing 4,4'-dihydroxydiphenyl sulfone
    Patent number: 5041677
    Abstract: Process for synthesizing 4,4' bisphenol sulfone involving reacting phenol and sulfuric acid in an inert reaction solvent, and maintaining the reaction solvent at temperatures of about 160 to 200.degree. C. and at a predetermined level sufficient to maintain a saturated 4,4' isomer solution and an unsaturated 2,4' isomer solution, thereby selectively yielding 4,4' bisphenol sulfone with minimal amounts of 2,4' isomer by-product.
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: August 20, 1991
    Assignee: Amoco Corporation
    Inventors: Bernard Cooker, Fred Zemlanicky
  • Copolyesters
    Patent number: 5039717
    Abstract: Injection-moldable copolyesters of terephthalate units, ethylene units and a high proportion (e.g. 82-87) mole %) of oxybenzoate units, and cookware made of such copolyesters. Process for making such copolyesters by reacting polyethylene terephthalate with p-acetoxybenzoic acid in a solvent, first at a temperature below 240.degree. C. to product a fragmented polyester, raising the temperature to split off acetic acid, then adding more acetoxybenzoic acid to raise the oxybenzoate content to more than 80 mole %.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: August 13, 1991
    Assignee: Amoco Corporation
    Inventors: James H. Kawakami, Lloyd M. Robeson, Bernard Cooker, Lee P. McMaster, Louis M. Maresca
  • Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture
    Patent number: 5001270
    Abstract: A process for recovering 4,4' bisphenol sulfone from an isomer mixture comprising the 4,4' and 2,4' isomers of bisphenol sulfone, which process comprises dissolving the isomer misture in a basic aqueous solution and adding a non-neutralizing amount of acid to selectively precipitate crystals of 4,4' bisphenol sulfone.
    Type: Grant
    Filed: January 18, 1989
    Date of Patent: March 19, 1991
    Assignee: Amoco Corporation
    Inventors: Fred Zemlanicky, Bernard Cooker
  • Production of aromatic amorphous thermoplastic poly aryl ether from aliphatic-aromatic diol and wholly aromatic diol
    Patent number: 4783520
    Abstract: The method of preparing a thermoplastic polyarylether polymer which comprises reacting a first monomer composition comprising an activated dihalobenzenoid compound and a dihydroxydiphenyl aliphatic monomer in a molar ratio of dihalobenzenoid compound to dihydroxybenzenoid compound of at least 1.2 to 1, adding to the product a second monomer composition comprising a dihydroxybenzenoid compound comprising at least one compound which is free of aliphatic moieties and polymerizing.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: November 8, 1988
    Assignee: Amoco Corporation
    Inventors: Donald R. Kelsey, Bernard Cooker, Robert A. Clendinning, Robert Barclay, Jr., George T. Kwiatkowski