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:
Dec. 07, 2010
Filed:
Apr. 19, 2005
Applicants:
Roland Jacquot, Francheville, FR;
Jean-roger Desmurs, Communay, FR;
Inventors:
Roland Jacquot, Francheville, FR;
Jean-Roger Desmurs, Communay, FR;
Assignee:
Rhodia Chimie, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 317/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for producing optionally substituted methylenedioxybenzene. The invention particularly relates to the production of methylenedioxybenzene. The inventive production method is characterized by the fact that it involves the reaction of an optionally substituted catechol with an aldehyde in the presence of a solid acid catalyst selected among: a titanium silicalite and a zeolite that is doped with tin and/or titanium.