The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2007
Filed:
Jul. 24, 2001
Andre Marcel Helbling, Waedenswil, CH;
Michael Robert Hills, Midland, MI (US);
Friederike Theresia Stollmaier, Rheinmuster, DE;
Andre Marcel Helbling, Waedenswil, CH;
Michael Robert Hills, Midland, MI (US);
Friederike Theresia Stollmaier, Rheinmuster, DE;
Ecosynthetix Inc., Lansing, MI (US);
Abstract
Starch dispersions comprising discrete particles of crosslinked cationic starch in an aqueous liquid can be used in papermaking. They can be used as a wet-end additive or in surface coating. The starch dispersions can be prepared by a process comprising: (a) obtaining a mixture of cationic starch and an aqueous liquid, (b) processing the mixture using shear forces in the presence of a crosslinker: and (c) adding and mixing in a hydroxylic liquid to obtain the starch dispersions.