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:
Sep. 23, 2003
Filed:
Apr. 08, 2002
Applicant:
Inventors:
Efim Biller, Vienna, AT;
Edgar Fuhrmann, Castrop-Rauxel, DE;
Detlef Hagena, Höxter, DE;
Heinz Günter Janneck, Datteln, DE;
Jörg Talbiersky, Dorsten, DE;
Lutz Walther, Holzminden, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/100 ; C07C 4/302 ;
U.S. Cl.
CPC ...
C07C 4/100 ; C07C 4/302 ;
Abstract
Aryl alkyl ethers can be produced by the reaction of hydroxyaromatics with an alcohol in the presence of a catalyst. This process achieves higher yields of aryl alkyl ethers and the formation of ring-alkylated products and dialkyl ethers is markedly reduced.