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:
Apr. 07, 2015
Filed:
Dec. 28, 2012
David J Castro, DeKalb, IL (US);
Mei Liu, Plainfield, IL (US);
Gary S Furman, St. Charles, IL (US);
Dorota Smoron, Hoffman Estates, IL (US);
Shawnee M Wilson, Downers Grove, IL (US);
Zhiyi Zhang, Naperville, IL (US);
David J Castro, DeKalb, IL (US);
Mei Liu, Plainfield, IL (US);
Gary S Furman, St. Charles, IL (US);
Dorota Smoron, Hoffman Estates, IL (US);
Shawnee M Wilson, Downers Grove, IL (US);
Zhiyi Zhang, Naperville, IL (US);
Ecolab USA Inc., St. Paul, MN (US);
Abstract
The invention provides methods and compositions for increasing the strengthening effect of a starch coating on paper. The method involves contacting the starch with a synthetic polymer before the starch is cooked. This changes how the starch gelatinizes and how the polymer gets distributed on the paper resulting in greater paper surface strength.