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:
Oct. 19, 1993
Filed:
Feb. 07, 1992
Applicant:
Inventors:
Yu Kanda, Kitakyushu, JP;
Takeshi Matsuoka, Kikakyushu, JP;
Haruo Habu, Kitakyushu, JP;
Tsutomu Yonemori, Mizumaki, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564259 ;
Abstract
A method for preparing an oxime, which comprises partitioning an aqueous hydroxylamine salt solution phase and a ketone or aldehyde phase by a cation exchange membrane, and permitting hydroxylamine in the aqueous hydroxylamine salt solution phase to diffuse and transfer through the membrane to the ketone or aldehyde phase and to form an oxime in the ketone or aldehyde phase.