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. 29, 1978
Filed:
Dec. 01, 1976
Applicant:
Inventors:
Hanzo Tamabayashi, Shin-nanyo, JP;
Tatsuo Hattori, Shin-nanyo, JP;
Tetsuo Tanaka, Shin-nanyo, JP;
Yasuhiro Oda, Shin-nanyo, JP;
Keiichi Kihara, Shin-nanyo, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 26050121 ;
Abstract
An alkali metal styrenesulfonate is produced by extracting from an aqueous solution by contacting an aqueous solution containing an alkali metal halide and an alkali metal styrenesulfonate with an organic solvent containing a protonic acid salt of an amine of more than 7 carbon atoms as the extracting reagent, and then back-extracting the styrenesulfonic acid anions with an aqueous solution of an alkali metal hydroxide.
Quick Actions:
Tamabayashi, Hanzo. (1978). Process for producing alkali metal styrenesulfonate (U.S. Patent No. 4110366). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4110366
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile