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:
Jan. 06, 1987
Filed:
Apr. 05, 1984
Applicant:
Inventors:
Tadashi Murakami, Hiromachi, JP;
Kazuo Tomita, Hiromachi, JP;
Assignee:
Sankyo Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548243 ;
Abstract
3-hydroxy-5-methylisoxazole is prepared by reacting diketene in a continuous process with hydroxylamine to give a reaction mixture containing acetoacetohydroxamic acid and then acidifying this reaction mixture as quickly as possible to produce the 3-hydroxy-5-methylisoxazole.