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:
Mar. 27, 1979
Filed:
Jun. 29, 1977
Applicant:
Inventors:
Assignees:
Mitsubishi Chemical Industries, Ltd., Tokyo, JP;
Kyoritsu Yuki Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526 479 ; 526 477 ; 526 62 ; 526303 ; 528502 ;
Abstract
Acrylamide polymers or copolymers are partially hydrolyzed by mixing the particles of hydrous gel of the polymer in an apparatus which has a mixing mechanism comprising of blades having a blank space and the face of the apparatus where the polymer is contacted with is made of or coated with synthetic resin.
Tago, Atsuo. (1979). Method of producing partially hydrolyzed acrylamide polymers (U.S. Patent No. 4146690). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4146690
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile