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:
Jan. 06, 1976
Filed:
Jan. 24, 1974
Applicant:
Inventors:
Shin-ichi Isaoka, Kyoto, JA;
Tutomu Shintani, Toyonaka, JA;
Shigenori Taziri, Ibaraki, JA;
Shiro Sakai, Higashiosaka, JA;
Wataru Thoma, Yamatotakada, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
260 / ; 210 54 ; 260 / ; 260 / ; 260 / ;
Abstract
High molecular weight acrylamide polymers useful as flocculants are obtained by copolymerizing acrylamide with a monovinyl monomer in a mixture of water and acetone in the presence of a redox type catalyst comprising a persulfate, an aliphatic amine and at least one Lewis acid selected from the group consisting of chlorides and bromides of aluminum, antimony, lithium and zinc.