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. 21, 1995
Filed:
Aug. 19, 1993
Applicant:
Inventor:
Daniel Levin, Worsley, GB;
Assignee:
Zeneca Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564259 ; 564262 ;
Abstract
A method for the preparation of a 2-hydroxyarylaldoxime which comprises reacting hydroxylamine with a 2-hydroxyarylaldehyde, said reaction being performed in the presence of a compound of a metal of Group II, Group III, Group IVA or Group VIA of the Periodic Table and/or under such conditions that the 2-hydroxyarylaldehyde is at least partially in the form of a salt and/or complex of a metal of Group II, Group III, Group IVA or Group VIA of the Periodic Table.