Patents by Inventor Joseph A. Collier

Joseph A. Collier 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).

  • Patent number: 4982021
    Abstract: Alkylene glycols are produced by the reaction of alkylene oxide with water in the presence of a metalate-containing solid wherein the metalate is in association with electropositive complexing sites on a solid support such as an anion exchange resin.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: January 1, 1991
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Robert D. Best, Joseph A. Collier, Brian T. Keen, John H. Robson
  • Patent number: 4560813
    Abstract: In processes for making alkylene glycols by the hydrolysis of alkylene oxides in the presence of selectivity-enhancing metalate anion-containing material, metalate anion can be recovered from the alkylene glycol-containing hydrolysis product by contact with a solid having electropositive complexing sites thereon such as anion exchange resins.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: December 24, 1985
    Assignee: Union Carbide Corporation
    Inventor: Joseph A. Collier