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:
Mar. 23, 2004
Filed:
Aug. 31, 2001
Kevin Ray Anderson, Cedar Rapids, IA (US);
Anton Esser, 68199 Mannheim, DE;
Lawrence Edward Fosdick, Oskaloosa, IA (US);
Ki-Oh Hwang, Oskaloosa, IA (US);
Norbert Mahr, 67117 Limburgerhof, DE;
John Thomas McDonald, Jr., Memphis, TN (US);
Dogan Sahin Sivasligil, 2595 Az The Hague, NL;
Andreas Stange, 68199 Mannheim, DE;
Sarah Veelaert, 4617 Ga Bergen op Zoom, NL;
Martin Wendker, 67549 Worms, DE;
Other;
Abstract
According to the present disclosure, starch/polymer combinations are provided. The preferred starch/polymer combinations are usable as paper additives, in the wet end of a papermaking process. Typical and preferred starch/polymer combinations of this type, result from combining a starch, having a polymer reactive carbonyl functionality, with a polymer, having a carbonyl reactive functionality, under conditions that allow for covalent interaction between the two. Typically usable components comprise oxidized starch and polymer having reactive primary or reactive secondary amine groups. Also provided are methods of preparing such combinations, methods of use, preferred papers including such combinations, and, analytical techniques usable in preparation of such combinations.