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:
Sep. 15, 1992
Filed:
Sep. 24, 1990
Applicant:
Inventors:
William C Floyd, Chester, SC (US);
Louis R Dragner, Rock Hill, SC (US);
Assignee:
Sequa Chemicals Inc., Chester, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 49 ; 524 55 ; 524503 ; 525 57 ; 525 58 ;
Abstract
A cationic polyvinyl alcohol binder additive is prepared suitable for addition in the wet-end of a paper making process by reacting a blocked glyoxal resin, a cationic water-soluble aldehyde reactive polymer and a polyvinyl alcohol polymer.