Patents by Inventor Stefan Wiemer

Stefan Wiemer 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 concentrate containing a phosphate triester
    Patent number: 8389450
    Abstract: The present invention relates to a lubricant concentrate containing the following components (i) at least one amine, (ii) at least one phosphate according to the general formula (I), (iii) at least one acid, (iv) optionally at least one ether carboxylic acid compounds with the general formula (II) R20—(O(CH2)m)nOCH2COO?M+??(II), (v) optionally at least one further aid or additive.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: March 5, 2013
    Assignee: Diversey, Inc.
    Inventors: Holger Theyssen, Mario Stanga, Franco Bruschi, Stefan Wiemer
  • Lubricant concentrate containing a phosphate triester
    Patent number: 8119580
    Abstract: The present invention relates to a lubricant concentrate containing the following components (i) at least one amine, (ii) at least one phosphate according to the general formula (I), (iii) at least one acid, (iv) optionally at least one ether carboxylic acid compounds with the general formula (II) R20—(O(CH2)m)nOCH2COO?M+??(II), (v) optionally at least one further aid or additive.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: February 21, 2012
    Assignee: Diversey, Inc.
    Inventors: Holger Theyssen, Mario Stanga, Franco Bruschi, Stefan Wiemer
  • NEW LUBRICANT CONCENTRATE CONTAINING A PHOSPHATE TRIESTER
    Publication number: 20120006652
    Abstract: The present invention relates to a lubricant concentrate containing the following components (i) at least one amine, (ii) at least one phosphate according to the general formula (I), (iii) at least one acid, (iv) optionally at least one ether carboxylic acid compounds with the general formula (II) R20—(O(CH2)m)nOCH2COO?M+??(II), (v) optionally at least one further aid or additive.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Applicant: DIVERSEY, INC.
    Inventors: Holger Theyssen, Mario Stanga, Franco Bruschi, Stefan Wiemer
  • Lubricants for conveyor belt installation in the food industry
    Patent number: 5935914
    Abstract: A lubricant concentrate is disclosed, of which the aqueous use solution is suited for lubricating, cleaning and disinfecting of feed and conveyance installations in the food industry, particularly immersion or automatic belt lubricating equipment, the concentrate including(i) one or more amines;(ii) one or more ether carboxylic acid compounds;(iii) one or more polyethyleneglycol (PEG's); and(iv) up to 99 wt. % (wt/wt) of the usual aids and additives.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: August 10, 1999
    Assignee: Diversey Lever, Inc.
    Inventors: Holger Theyssen, Karlheinz Laping, Stefan Wiemer