Patents by Inventor Robert R. Ratzelt

Robert R. Ratzelt 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).

  • Composition for the paint spray treatment using secondary alcohol esters in water
    Patent number: 5464556
    Abstract: A composition for treating oversprayed paints that contains an effective amount of alcohol esters and alcohol ester derivatives in water. The carbonyl compound is capable of dissolving paint while remaining non-reactive with water. The alcohol ester employed has the general formula: ##STR1## The alcohol ester derivative employed has the general formula: ##STR2## R' and R" are a substituted or unsubstituted linear alkyl group containing 1 to 8 carbon atoms, R and R"' are linear or branched alkyl groups containing 1 to 10 carbon atoms, and R and R"' are either identical or different alkyl functionalities.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: November 7, 1995
    Assignee: Nortru, Inc.
    Inventors: Edwin C. Zuerner, Robert R. Ratzelt, Norman Foster