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:
Jul. 13, 1999
Filed:
Apr. 15, 1997
Applicant:
Inventors:
Thomas Wunsch, Speyer, DE;
Gregor Brodt, Heppenheim, DE;
Ria Kress, Ludwigshafen, DE;
Norbert Schneider, Altrip, DE;
Albert Kohl, Laumersheim, DE;
August Lehner, Rodersheim-Gronau, DE;
Werner Balz, Limburgerhof, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284259 ; 4286 / ; 428900 ;
Abstract
Preparation of materials (I) having an average molecular weight from 4000 to 30,000, obtainable by reacting