Patents Examined by George E. Webb
  • Process and formulations to remove paint and primer coatings from thermoplastic polyolefin substrates
    Patent number: 6608012
    Abstract: The present invention includes methods and compositions for the removal of coatings such as paint from surfaces. The methods of the present invention are typically conducted between about 45° C. and about 75° C., and the compositions typically contain a carbonate, a dibasic ester, a pyrrolidine, a mono-ester. The formulations of the present invention typically exhibit a high efficacy in the removal of paint while having a low level of toxicity.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: August 19, 2003
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Susan A. Woodrum, Howard P. Klein, Edward T. Marquis