Patents Assigned to PolyVation Cosmeterials B.V.
  • Patent number: 11066502
    Abstract: The invention relates to copolymers of vinyl lactams with derivatized maleates. In particular, it relates to copolymers that are suitably used in the area of personal care and pharmaceuticals, to compositions comprising the copolymers and to methods for preparing the copolymers.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: July 20, 2021
    Assignee: PolyVation Cosmeterials B.V.
    Inventors: Herbert Wilhelm Ulmer, Theodorus Adrianus Cornelius Flipsen