Patents by Inventor Lars PERA

Lars PERA 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).

  • Random copolymers for use as base oils or lubricant additives
    Patent number: 11453837
    Abstract: The invention relates to random copolymers comprising monomers derived from conjugated dienes and alkyl (meth)acrylates, a method for manufacturing the copolymers, lubricant compositions comprising the copolymers, and the use of the copolymers as additives for lubricant compositions or as a base oil for lubricant compositions. The copolymers are favorably used for driving system lubricating oils, hydraulic oils, engine oils and industrial oil formulations.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 27, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Holger Pletsch, Emily Clare Schweissinger, Hanna Spohr, Sebastian Reimann, Lars Pera, Marius Weiland, Boris Eisenberg, Dmitriy Shakhvorostov
  • RANDOM COPOLYMERS FOR USE AS BASE OILS OR LUBRICANT ADDITIVES
    Publication number: 20220017835
    Abstract: The invention relates to random copolymers comprising monomers derived from conjugated dienes and alkyl (meth)acrylates, a method for manufacturing the copolymers, lubricant compositions comprising the copolymers, and the use of the copolymers as additives for lubricant compositions or as a base oil for lubricant compositions. The copolymers are favorably used for driving system lubricating oils, hydraulic oils, engine oils and industrial oil formulations.
    Type: Application
    Filed: October 23, 2019
    Publication date: January 20, 2022
    Inventors: Holger PLETSCH, Emily Clare SCHWEISSINGER, Hanna SPOHR, Sebastian REIMANN, Lars PERA, Marius WEILAND, Boris EISENBERG, Dmitriy SHAKHVOROSTOV