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.

Date of Patent:
Mar. 06, 1984

Filed:

Mar. 10, 1983
Applicant:
Inventors:

Yoichi Hasegawa, Marugame, JP;

Mineo Nakagawa, Takamatsu, JP;

Syuji Hara, Zentsuji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564464 ;
Abstract

Disclosed is a process for the preparation of a tertiary butyl hydrazine hydrohalogenide, which comprises reacting a hydrazine salt of a hydrohalogenic acid with tertiary butanol in the presence of a hydrazine dihydrohalogenide or a hydrogen halide. Also disclosed is a process for the preparation of tertiary butyl hydrazine, which comprises reacting a hydrazine salt of a hydrohalogenic acid in the presence of a hydrazine dihydrohalogenide or a hydrogen halide, neutralizing the formed tertiary butyl hydrazine hydrohalogenide by an alkali, distilling the neutralization product and recovering free tertiary butyl hydrazine.


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