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:
May. 21, 2002
Filed:
Mar. 21, 2001
Applicant:
Inventors:
Manfred T. Reetz, Mülheim an der Ruhr, DE;
Gunther Lohmer, Mülheim an der Ruhr, DE;
Renate Lohmer, Mülheim an der Ruhr, DE;
Elke Westermann, Speyer, DE;
Assignee:
Studiengesellschaft Kohle mbH, Mulheim am der Ruhr, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/27 ; C07C / ; C07C / ; C07C 6/976 ; C07C / ;
U.S. Cl.
CPC ...
C07C 1/27 ; C07C / ; C07C / ; C07C 6/976 ; C07C / ;
Abstract
Olefins containing aromatic substituents are synthesized without the addition of phosphonium salts or phosphanes with the aid of a Pd compound as a catalyst in the presence of nitrogen-containing additives such as N,N-dimethylglycine and a base.