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. 22, 1979
Filed:
Aug. 10, 1978
Applicant:
Inventors:
Katsutoshi Tanaka, Kanagawa, JP;
Hisao Takeda, Kanagawa, JP;
Mutsumi Kawano, Kanagawa, JP;
Isao Miyahara, Koza, JP;
Assignees:
Mitsubishi Chemical Industries, Ltd., Tokyo, JP;
Kyoritsu Yuki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02B / ; C02C / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
210 54 ; 260 293 ; 260844 ; 528135 ; 528149 ; 528162 ; 528163 ;
Abstract
New cationic flocculants are prepared by polycondensation of an epihalohydrin and Mannich reaction products of phenol, formaldehyde, and dialkylamine. The flocculants are useful for flocculation of various kinds of suspension such as various industrial waste waters, pulp slurry in paper making and the like.