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:
Feb. 03, 1976
Filed:
Jan. 21, 1974
Applicant:
Inventors:
Masahide Hirai, Uji, JA;
Mikio Fujimura, Kamo, JA;
Masahiro Kazigase, Uji, JA;
Minoru Saito, Uji, JA;
Assignee:
Unitika Ltd., Amagasaki, JA;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 293 ; 260 515 ; 210 / ;
Abstract
A phenolic chelate resin having a high heavy-metal chelating ability and capable of being reused is produced by polycondensing a phenol containing an iminodiacetic acid group with an aldehyde.
Hirai, Masahide. (1976). Process of producing phenolic chelate resin using iminodiacetic acid (U.S. Patent No. 3936399). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3936399
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile