Patents by Inventor Bernd Pomrehn

Bernd Pomrehn 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).

  • Phosphoric esters as extreme pressure additives
    Patent number: 6103675
    Abstract: The invention relates to the use of mixtures of one or more phosphoric esters of the formula (I) with one or more amines of the formula (II) as extreme pressure additives in water-immiscible cooling lubricants ##STR1## in which the substituents have the meaning defined in the description.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: August 15, 2000
    Assignee: Clariant GmbH
    Inventors: Peter Pyka, Barbara Vollnhals, Bernd Pomrehn