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:
Aug. 04, 1998
Filed:
Mar. 06, 1997
Applicant:
Inventors:
Jens Weiguny, Freinsheim, DE;
Holger Borchert, Frankfurt, DE;
Uwe Dingerdissen, Seeheim-Jugenheim, DE;
Assignee:
Targar GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546112 ; 585411 ; 502329 ; 556465 ;
Abstract
The present invention relates to a process for preparing an indene, which involves reacting an indanone with hydrogen in the presence of a catalyst comprising one or more oxides, preferably metal oxides. Preferred oxides comprise elements from groups Ia, IIa, IIa, IVa, Va, VIa, Ib, IIb, IIIb, IVb, Vb, VIb, VIIb and VIII of the Periodic Table, or elements from the lanthanide group.