Patents by Inventor Stephan Knittel

Stephan Knittel 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).

  • Hydrocolloid composition and dispersion-bound architectural formulations and emulsion paints comprising such compositions
    Publication number: 20030097962
    Abstract: A hydrocolloid composition comprising at least one sulpoalkyl-substituted polysacharide ether, is described. More particularly, the hydrocolloid composition includes: a) at least one sulphoalkyl-substituted polysaccharide ether, which is soluble in each of cold water and hot water, e.g., carboxymethylsulphoethylcellulose (CMSEC); b) optionally at least one nonionic polysaccharide ether having a thermoreversible gel point (or cloud point) of greater than 35° C. and less than 100° C.; and c) optionally at least one additive, e.g., an antioxidant. Also described are dispersion-bound architectural formulations and emulsion paints which comprise the hydrocolloid compositions of the present invention.
    Type: Application
    Filed: July 23, 2002
    Publication date: May 29, 2003
    Inventors: Alexandra Hild, Arne Henning Kull, Stephan Knittel, Rene Kiesewetter, Rudolf Kaufmann