Patents by Inventor Merja Lamsa

Merja Lamsa 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).

  • Patent number: 5885946
    Abstract: The object of the invention is a process for preparing a synthetic ester from a vegetable oil by a two-stage transesterification process. Further objects of the invention are lubricants containing a synthetic ester prepared by the process according to the invention.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: March 23, 1999
    Assignee: Raision Tehtaat Oy Ab
    Inventor: Merja Lamsa
  • Patent number: 5747434
    Abstract: A two step process for preparing a synthetic ester from a vegetable oil by means of lipase enzymes. A lubricant composition comprising a synthetic ester prepare by said process.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: May 5, 1998
    Assignee: Raisio Yhtyma Oyj
    Inventors: Merja Lamsa, Yu-Yen Linko, Pekka Linko, Esa Uosukainen