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. 26, 2013
Filed:
Mar. 22, 2007
Applicant:
Charles L. Burdick, Landenberg, PA (US);
Inventor:
Charles L. Burdick, Landenberg, PA (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/06 (2006.01); B32B 19/06 (2006.01); B32B 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Paper useful in the manufacture of gypsum wallboard is surfaced treated with an additive to improve the bonding affinity of the paper for wet plaster thereby permitting the manufacture of gypsum wallboard with little or no added starch and reduced amounts of water. A surface treating adhesive, a method of converting the paper and wallboards containing the paper are also described.