Patents by Inventor Aleksandra Joanna Kotlewska

Aleksandra Joanna Kotlewska 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: 9879113
    Abstract: The invention relates to compositions of ?,?-branched alkane carboxylic acids glycidyl esters with a define isomeric composition where the sum of the concentration of the blocked and of the highly branched isomers is at least 50%, preferably above 60% and most preferably above 75% on total composition.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: January 30, 2018
    Assignee: HEXION INC.
    Inventors: Christophe Steinbrecher, Cedric Le Fevere De Ten Hove, Robert Van't Sand, Denis Heymans, Aleksandra Joanna Kotlewska
  • Publication number: 20140256906
    Abstract: The invention relates to compositions of ?,?-branched alkane carboxylic acids glycidyl esters with a define isomeric composition where the sum of the concentration of the blocked and of the highly branched isomers is at least 50%, preferably above 60% and most preferably above 75% on total composition.
    Type: Application
    Filed: December 16, 2011
    Publication date: September 11, 2014
    Applicant: Momentive Specialty Chemicals Inc.
    Inventors: Christophe Steinbrecher, Cedric Le Fevere De Ten Hove, Robert Van't Sand, Denis Heymans, Aleksandra Joanna Kotlewska