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:
Nov. 03, 1987
Filed:
May. 06, 1985
Applicant:
Inventors:
Susumu Harada, Koriyama, JP;
Sakuro Hasegawa, Fujisawa, JP;
Assignee:
Nitto Boseki Co., Ltd., Gonome Fukushima, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
1621682 ; 1621686 ;
Abstract
Drainage of pulp slurry can be markedly improved without impairing the uniformity of paper quality by adding to the pulp slurry a poly-monoallylamine resin represented by the formula: ##STR1## wherein X is Cl, Br, I, HSO.sub.4, HSO.sub.3, H.sub.2 PO.sub.4, H.sub.2 PO.sub.3, HCOO, CH.sub.3 COO or C.sub.2 H.sub.5 COO, n is a number of 10 to 100,000, and m is 0 or 1, or a modified resin of the poly-monoallylamine resin.
Harada, Susumu. (1987). Pulp slurry drainage improver (U.S. Patent No. 4704190). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4704190
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile