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:
May. 18, 1976
Filed:
May. 09, 1974
Applicant:
Inventors:
Shin-ichi Isaoka, Kyoto, JA;
Tutomu Shintani, Toyonaka, JA;
Mamoru Suzuki, Takarazuka, JA;
Wataru Tohma, Yamatotakada, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02B / ; C08L / ;
U.S. Cl.
CPC ...
260856 ; 210 51 ; 260 / ; 260851 ;
Abstract
A polymeric flocculant composition having an excellent flocculation effect, which comprises (a) an acrylamide polymer containing 50 or more molar % of an acrylamide unit and (b) at least one amino resin precondensate selected from the group consisting of urea-formaldehyde, melamine-formaldehyde, guanidine-formaldehyde and dicyandiamide-formaldehyde, wherein the acrylamide polymer and the amino resin precondensate are admixed in a ratio of 90 : 10 to 99 : 1 by weight. The polymeric flocculant composition disclosed herein is useful for cleaning waste water.