Patents by Inventor Phillipp Lellig

Phillipp Lellig 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: 20140110039
    Abstract: The invention relates to a plasticizer-containing polyvinyl acetal film which has a transmission of less than 20% and a yellowness index db of less than 3 at 400 nm, containing at least one UV absorber of formula where R1 is H or halogen and R2 and R3 are C1-20 alkyl-, hydroxyalkyl-, alkoxyalkyl-, acyloxyalkyl groups, optionally substituted by aldehyde, keto or epoxide groups, and an antioxidant of formula where R is hydrocarbon residue of a polyfunctional alcohol, an oligoglycol with 1 to 10 glycol units, or a hydrocarbon group with 1 to 20 carbon atoms, and s=1, 2, 3 or 4.
    Type: Application
    Filed: October 16, 2013
    Publication date: April 24, 2014
    Applicant: KURARAY EUROPE GMBH
    Inventors: Phillipp Lellig, Uwe Keller