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:
Nov. 14, 1995
Filed:
Oct. 31, 1994
Applicant:
Inventors:
Kenneth G Davenport, Corpus Christi, TX (US);
Roger A Sheldon, Rijswijk, NL;
Joel Le Bars, Den Haag, NL;
Werner H Mueller, Charlotte, NC (US);
Assignee:
Hoechst Celanese Corporation, Somerville, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564265 ;
Abstract
A catalytic process for preparing 4-hydroxyacetophenone oxime by reacting 4-hydroxyacetophenone with NH.sub.3 and H.sub.2 O.sub.2 in the liquid phase, in the presence of a catalyst substantially consisting of a titanium-containing molecular sieve such as a highly crystalline substance, containing SiO.sub.2 and having a zeolitic structure.