Patents by Inventor Roger L. Wright

Roger L. Wright 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 the purification of neopentyl glycol
    Patent number: 4021496
    Abstract: A process for recovery of neopentyl glycol from a waste stream comprising neopentyl glycol and water, wherein said waste stream is contacted with isobutyraldehyde and subsequently separated into an organic stream comprising neopentyl glycol and isobutyraldehyde and an aqueous stream essentially free of neopentyl glycol.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: May 3, 1977
    Assignee: Eastman Kodak Company
    Inventor: Roger L. Wright
  • Process for the preparation of neopentyl glycol
    Patent number: 3939216
    Abstract: A process for recovery of neopentyl glycol from a waste stream comprising neopentyl glycol and water, wherein said waste stream is contacted with isobutyraldehyde and subsequently separated into an organic stream comprising neopentyl glycol and isobutyraldehyde and an aqueous stream essentially free of neopentyl glycol.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: February 17, 1976
    Assignee: Eastman Kodak Company
    Inventor: Roger L. Wright