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. 21, 2004
Filed:
Sep. 09, 2003
Patrick Gloeckner, Ratingen, DE;
Alessandro Cerri, Nottuln, DE;
Werner Andrejewski, Dorsten, DE;
Giselher Franzmann, Witten, DE;
Peter Denkinger, Nottuln, DE;
Degussa AG, Duesseldorf, DE;
Abstract
An adhesion promoter additive contains at least one unsaturated, amorphous polyester containing 1) an acid component comprising at least one &agr;,&bgr;-unsaturated dicarboxylic acid, and 2) an alcohol component. The alcohol component contains at least 5% of a dicidol mixture of the isomeric compounds a) 3,8-bis(hydroxymethyl)tricyclo[5.2.1.0 ]decane, b) 4,8-bis(hydroxy-methyl)-tricyclo[5.2.1.0 ]decane and c) 5,8-bis-(hydroxymethyl)tricyclo[5.2.1.0 ]decane. Each isomer is present in the dicidol mixture in a proportion of from 20 to 40% by weight. A sum of the isomeric compounds a)-c) is from 90 to 100% by weight.