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:
Aug. 10, 1976
Filed:
Nov. 25, 1974
Applicant:
Inventors:
Assignee:
Dipsol Chemicals Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 / ; 204 / ; 260 / ;
Abstract
A brightener additive for zinc electroplating baths, which comprises: a water-soluble polymer prepared by the reaction of an epihalohydrin with a nitrogen heterocyclic compound such as the compounds of imidazole, pyrrole, cyclic amine of the formula: ##EQU1## and piperazine in the presence of a nitrogen compound such as the compounds of aliphatic amines, hexamethylenetetramine and ammonia.
Takahashi, Akio. (1976). Method for electroplating bright zinc (U.S. Patent No. 3974045). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3974045
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile