Patents by Inventor Ralf STURMER

Ralf STURMER 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).

  • WATERBORNE COPOLYMER DISPERSIONS WITH IMPROVED WET SCRUB RESISTANCE
    Publication number: 20180072912
    Abstract: An aqueous copolymer dispersion comprises at least one copolymer formed from a mixture comprising one or more main monomers selected from the group consisting of one or more vinyl esters of C1-C18 alkanoic acids, vinyl esters of aromatic acids, olefins, dienes, esters of ethylenically unsaturated carboxylic acids, vinylaromatics, and vinylhalogenides; from 0.05 to 5% by weight of one or more ethylenically unsaturated polycarboxylic acids or anhydrides thereof; from 0.05 to 10% by weight of one or more ethylenically unsaturated epoxy-containing compounds; and from 0.05 to 5% by weight of one or more hydrolyzable silicon compounds; wherein all percents are % by weight based on the total weight of the main monomers in the mixture.
    Type: Application
    Filed: September 9, 2016
    Publication date: March 15, 2018
    Inventors: Matthias JUNK, Thomas FICHTNER, Stephan KRIEGER, Ralf STURMER