Patents by Inventor William A. Sweeney

William A. Sweeney 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).

  • Process for selectively producing C5 to C18 straight chain .alpha. olefins
    Patent number: 5059734
    Abstract: Disclosed is a process for preparing C.sub.5 to C.sub.18 straight chain .alpha.-olefins from the corresponding internal olefins. The process comprises reacting a C.sub.5 to C.sub.18 straight chain olefin reactant with an electrophilic compound containing hydrogen followed by selectively cracking the resulting product.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: October 22, 1991
    Assignee: Chevron Research and Technology Company
    Inventor: William A. Sweeney
  • Process for making 1-hexene from 1-butene
    Patent number: 5057638
    Abstract: Disclosed is a process for preparing 1-hexene from 1-butene. The 1-butene is metathesized to produce 3-hexene which is then subjected to, e.g., an hydration/dehydration procedure to produce a mixture of n-hexenes containing 1-hexene.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: October 15, 1991
    Assignee: Chevron Research and Technology Company
    Inventor: William A. Sweeney
  • Process for recovering N-hexenes from a mixture of C.sub.6 olefin isomers by oligomerizing the branched-chain C.sub.6 olefin isomers in the mixture using a moderate strength acid catlyst
    Patent number: 5057636
    Abstract: Processes are disclosed for recovering n-hexenes from a mixture comprising n-hexenes and at least one branched-chain C.sub.6 olefin isomer by oligomerizing the branched-chain C.sub.6 olefin isomers, but not the n-hexenes, and recovering the n-hexenes from the resulting mixture.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: October 15, 1991
    Assignee: Chevron Research and Technology Company
    Inventor: William A. Sweeney
  • Process for producing C.sub.5 to C.sub.18 straight chain .alpha.-olefins from the corresponding internal olefins
    Patent number: 5057637
    Abstract: Disclosed is a process for preparing C.sub.5 to C.sub.18 straight chain .alpha.-olefins from the corresponding internal olefins. The process comprises reacting a C.sub.5 C.sub.18 straight chain olefin reactant with an electrophilic compound containing hydrogen followed by cracking the resulting product.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: October 15, 1991
    Assignee: Chevron Research and Technology Company
    Inventors: William A. Sweeney, Gar L. Woo
  • Nonionic emulsifier and substituted succinic anhydride compositions therewith
    Patent number: 4849131
    Abstract: A nonionic emulsifier derived from mono-ester reaction products of substituted succinic anhydride. There is also disclosed a stable substituted succinic anhydride/nonionic emulsifier composition, a method for imparting water repellency to surfaces containing groups reactive to anhydrides, and a method for the sizing of paper using said composition.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: July 18, 1989
    Assignee: Chevron Research Company
    Inventor: William A. Sweeney
  • Stable substituted succinic anhydride/ether-ester emulsifier composition and methods for its use
    Patent number: 4545856
    Abstract: A stable hydrocarbyl-substituted succinic anhydride/polyethyleneoxy-containing ether-ester emulsifier composition. There is also disclosed a method for imparting water repellency to surfaces containing groups reactive to anhydrides and a method for the sizing of paper using said composition.
    Type: Grant
    Filed: February 28, 1984
    Date of Patent: October 8, 1985
    Assignee: Chevron Research Company
    Inventor: William A. Sweeney
  • Substituted succinic anhydride/emulsifier composition
    Patent number: 4545855
    Abstract: A stable composition comprising a hydrocarbyl-substituted succinic anhydride and a polyethylene glycol diester emulsifier. There is also disclosed a method for imparting water repellency to surfaces containing groups reactive to anhydrides and a method for the sizing of paper using said composition.
    Type: Grant
    Filed: March 31, 1983
    Date of Patent: October 8, 1985
    Assignee: Chevron Research Company
    Inventor: William A. Sweeney
  • Purification of olefins by boron trifluoride-alcohol treatment
    Patent number: 4527004
    Abstract: A process for purifying predominantly straight chain olefins having from 5 to 50 carbon atoms which comprises contacting the olefins with a liquid solution of boron trifluoride in an alcohol or mixture of alcohols.
    Type: Grant
    Filed: May 28, 1982
    Date of Patent: July 2, 1985
    Assignee: Chevron Research Company
    Inventor: William A. Sweeney
  • Molding pillars in underground mining of oil shale
    Patent number: 4440449
    Abstract: An improvement in room-and-pillar mining of underground oil shale deposits in which: spaces between the pillars are filled with a fluid cementitious composition comprising spent oil shale and a binder to form floor-to-ceiling bodies of the composition; the bodies are allowed to harden to form support members for supporting the roof of the mine cavity; and the pillars are thereafter mined from the mine cavity.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: April 3, 1984
    Assignee: Chevron Research Company
    Inventor: William A. Sweeney
  • Process for the preparation of alkenyl succinic anhydride
    Patent number: 4431826
    Abstract: An improved process for the preparation of alkenyl succinic anhydride from maleic anhydride and a mixture of straight chain alpha olefins in the C.sub.13 to C.sub.22 range which comprises separating the alpha olefins into a lower boiling fraction and a higher boiling fraction, isomerizing the higher boiling fraction, recombining the two fractions and reacting them with maleic anhydride.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: February 14, 1984
    Assignee: Chevron Research Company
    Inventor: William A. Sweeney
  • Separation of hydrocarbon mixtures by catalytic dealkylation
    Patent number: 4045506
    Abstract: A process for separating mixtures of close boiling alkenes and alkanes which employs catalytic dealkylation of alkylphenols.
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: August 30, 1977
    Assignee: Chevron Research Company
    Inventors: Milutin Simic, William A. Sweeney
  • Separation of hydrocarbon mixtures by alkyl displacement
    Patent number: 4018657
    Abstract: A process for separating mixtures of close boiling, high-molecular weight alkenes and alkanes which employs phenoxide-catalyzed alkyl displacement.
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: April 19, 1977
    Assignee: Chevron Research Company
    Inventors: William A. Sweeney, Milutin Simic
  • Foam well cleanout using oligomeric sulfonic acids
    Patent number: 3953338
    Abstract: Organic disulfonic acids are produced by heating a sulfonate monomer at a temperature above 110.degree.C. in the substantial absence of water. Olefin sulfonation product mixtures, hydroxyalkane sulfonic acids, alkane sultones, alkene sulfonic acids and mixtures thereof are oligomerized under these conditions.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: April 27, 1976
    Assignee: Chevron Research Company
    Inventors: Alan E. Straus, William A. Sweeney, Ralph House, Samuel H. Sharman
  • Foam well cleanout using oligomeric sulfonates
    Patent number: 3951823
    Abstract: Organic disulfonic acids are produced by heating a sulfonate monomer at a temperature above 110.degree.C. in the substantial absence of water. Olefin sulfonation product mixtures, hydroxyalkane sulfonic acids, alkane sultones, alkene sulfonic acids and mixtures thereof are oligomerized under these conditions.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: April 20, 1976
    Assignee: Chevron Research Company
    Inventors: Alan E. Straus, William A. Sweeney, Ralph House, Samuel H. Sharman