Patents by Inventor Yvonne D. R. Deac

Yvonne D. R. Deac 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: 6458343
    Abstract: A composition comprising a compound selected from the group consisting of compounds of the following structural formula (1A): and the protonated and quaternized derivatives thereof of the following structural formula (1B): wherein R1 is a C2 to C22 hydrocarbyl group or is an ether group of the formula R—O—(R3)v—C3H6—, where v is 0 to 10 and R is a C1 to C22 hydrocarbyl group; R2 is hydrogen or a C1 to C22 hydrocarbyl group, or is  and (R3)yH, where y is 1 to 100; each R3 is independently selected from a group consisting of an ethylene oxide group (C2H4O), a propylene oxide group (C3H6O), a butylene oxide group (C4H8O) and mixtures thereof; each R4 is a C3 to C2, hydrocarbyl group; R5 is hydrogen or a C1 to C8 hydrocarbyl group; and x is 1 to 100; and A− is an anion.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: October 1, 2002
    Assignee: Goldschmidt Chemical Corporation
    Inventors: William J. Zeman, Craig Poffenberger, Yvonne D. R. Deac