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. 20, 1981
Filed:
Mar. 17, 1980
Applicant:
Inventors:
Thomas Aitken, Chicago, IL (US);
David J Kowalski, Clarendon Hills, IL (US);
K G Srinivasan, Oak Park, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162158 ; 2603 / ; 568496 ; 568497 ;
Abstract
This invention concerns a new class of compositions for the sizing of paper and the method of treating paper using such compositions. Such new compositions comprise the reaction products of glyoxal and a hydrophobe which contains at least one hydroxyl group. Such compositions can be used either for internal or surface sizing.