Patents by Inventor Matthias Fies

Matthias Fies 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: 5618779
    Abstract: Hydraulic oils containing a biodegradable base oil comprising eithera) the product of the ethoxylation and/or propoxylation of glycerol with from about 0.5 to about 3 moles of ethylene oxide and/or propylene oxide and subsequent esterification with a saturated or unsaturated C.sub.6-24 fatty acid, or mixtures thereof; orb) the product of the insertion of from about 0.5 to about 3 moles of EO and/or PO into a natural oil or fat other than castor oil.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: April 8, 1997
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Johann Klein, Frank Bongardt, Peter Daute, Matthias Fies
  • Patent number: 5616679
    Abstract: A polyalkylene glycol having the general formula:HO--[R--O--].sub.n Hin which n has a value of at least 2 and R is an alkylene radical containing at least 20 carbon atoms is provided. Preferred polyalkylene glycols have an alkylene radical which is a branched alkylene radical containing at least 10 carbon atoms in the main chain and a degree of polymerization such that n is from 4 to 7. The polyalkylene glycol is prepared by the acid-catalyzed polycondensation of a monomeric alkylene glycol at elevated temperature.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: April 1, 1997
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Matthias Fies, Roland Gr utzmacher, Alfred Westfechtel
  • Patent number: 5578558
    Abstract: Hydraulic oils containing as a base oil at least one Guerbet alcohol of the formula R--OH in which R is a single branched radical containing from 24 to 44 carbon atoms and having an iodine value of from 20 to 150.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: November 26, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Gerhard Mueller, Frank Bongardt, Matthias Fies, Peter Daute