Patents by Inventor Bjoern SCHNATWINKEL

Bjoern SCHNATWINKEL 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).

  • Publication number: 20220145180
    Abstract: The invention relates to a polymerisable LC material comprising one or more di- or multireactive mesogenic compounds and one or more compounds of formula UVI, wherein the individual radicals have one of the meaning as given in the claims. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability and UV stability obtainable from a corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electrooptical, decorative or security devices.
    Type: Application
    Filed: March 16, 2020
    Publication date: May 12, 2022
    Applicant: Merck Patent GmbH
    Inventors: Yong-Hyun CHOI, Hyun-Jin YOON, Bjoern SCHNATWINKEL