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:
Oct. 09, 1979
Filed:
Aug. 09, 1978
Applicant:
Inventors:
Koichi Moriya, Shibukawa, JP;
Iwao Honda, Maebashi, JP;
Assignee:
The Japan Carlit Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; D21H / ; C08B / ; C08F / ;
U.S. Cl.
CPC ...
427391 ; 428514 ; 526287 ; 526292 ; 526923 ; 1621 / ; 260 / ; 525329 ; 525359 ;
Abstract
A process is disclosed for coating paper with a novel water-soluble thermosetting resin, which has the property of providing paper with a nearly constant wet and dry strength over a wide pH range; the resin can be mixed, if desired, with other water-soluble polymers such as starch, its derivatives, cellulose derivatives, polyvinylalcohol and polyacrylamide, and various pigments such as clay, calcium carbonate and titanium dioxide.