Patents by Inventor Raynold J. Corona

Raynold J. Corona 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).

  • Formulated branched chain alcohol ether sulfate compounds
    Patent number: 5562866
    Abstract: Certain double-tailed alcohol ether sulfates of specified chemical structures are formulated with a hydrotrope or a co-surfactant. The formulations are useful for various surfactant utilities including use in hard water systems.
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: October 8, 1996
    Assignee: Albemarle Corporation
    Inventors: Patrick C. Hu, Raynold J. Corona
  • Laundry dryer sheet
    Patent number: 5085892
    Abstract: Laundry dryer sheets having a good loading of surfactant are prepared by (1) coating an absorbent flexible substrate with a molten tert-amine oxide wherein the molecules correspond to the formula RR'R"NO.nH.sub.2 O in which R is a primary alkyl group containing 9-24 carbons; R' is methyl, ethyl, or 2-hydroxyethyl; R" is independently selected from methyl, ethyl, 2-hydroxyethyl, and primary alkyl groups containing 8-24 carbons; and n is 0, 1, or 2, at least some of the molecules being dihydrate molecules, and (2) solidifying the amine oxide.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: February 4, 1992
    Assignee: Ethyl Corporation
    Inventors: Raynold J. Corona, James E. Borland, Kim R. Smith