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. 24, 1998
Filed:
Nov. 07, 1996
Applicant:
Inventors:
Yoichi Hasegawa, Sakaide, JP;
Mineo Nakagawa, Sakaide, JP;
Shunji Hyoda, Sakaide, JP;
Hiroyuki Fujita, Sakaide, JP;
Takafumi Kawada, Sakaide, JP;
Assignee:
Japan Hydrazine Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564464 ;
Abstract
An industrially and economically advantageous process for the preparation of a TBH-HX using starting materials which are cheaply available and are easy to handle, maintaining a high yield. A tertiary butyl hydrazine hydrohalogenide is prepared by reacting a hydrazine hydrohalogenide with a methyl tertiary butyl ether in the presence of an acid.