Patents by Inventor Peter H. Berchtold

Peter H. Berchtold 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).

  • Lubricant composition
    Patent number: 6444627
    Abstract: A lubricant composition comprises (a) an optionally esterified or etherified reaction product of (i) an alcohol comprising up to 6 hydroxy groups and no heteroatom other than oxygen and (ii) one or more alkylene oxides; and (b) a reaction product of (i) ammonia or an alkanol amine and (ii) one or more alkylene oxides, wherein the average OH-functionality of the reaction products (a) and (b) is up to 4.5 and the total number of units derived from alkylene oxide in the reaction product (b) is up to about 12. The lubricant composition is particularly useful for treating fiber materials.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: September 3, 2002
    Assignee: Dow Global Technologies Inc.
    Inventors: Peter H. Berchtold, Irene Siegrist
  • Heat transfer fluids containing dicarboxylic acid mixtures as corrosion inhibitors
    Patent number: 4946616
    Abstract: A coolant composition for use in automotive engines is disclosed which comprises a liquid alcohol freezing depressant and a corrosion inhibitor consisting essentially of decanedioic acid, dodecanedioic acid and sodium tolyltriazole.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: August 7, 1990
    Assignee: The Dow Chemical Company
    Inventors: Daniel J. Falla, Peter H. Berchtold