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:
Jul. 19, 1977
Filed:
Aug. 15, 1975
Applicant:
Inventors:
Assignee:
Otsuka Kagaku Yakuhin Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423407 ;
Abstract
Hydrazine hydrate is prepared by charging an aqueous or ketone solution of ketazine or hydrazone into a ketone recovering means, supplying the resultant solution to at least two hydrolysis reactors one after another, supplying the resultant hydrolyzed solution to an upper portion of a means for recovering hydrazine hydrate, and thereafter recovering hydrazine hydrate as an end product.
Yamaguchi, Hideo. (1977). Process for preparing hydrazine hydrate (U.S. Patent No. 4036936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4036936
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile