Patents by Inventor Christy A. Richards

Christy A. Richards 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).

  • Ethoxylated soya glycerides with glycols as deinking collector modifiers
    Patent number: 5658427
    Abstract: A collector composition for deinking printed waste paper containing a mixture of (a) the reaction product of an epoxidized derivative of a C.sub.10-22 carboxylic acid and an alkoxylated polyhydroxy alcohol or an alkoxylated derivative of a C.sub.10-22 carboxylic acid, (b) ethoxylated soya glyceride, and (c) a polyol.
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: August 19, 1997
    Assignee: Geo Specialty Chemicals, Inc.
    Inventors: Nancy S. Clungeon, Sheila Deveneaux, Christy A. Richards, Jose M. Rodriguez