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:
Nov. 25, 2003
Filed:
Apr. 26, 2001
Applicant:
Inventors:
Hubert Spreitzer, Viernheim, DE;
Heinrich Becker Zum, Glashütten, DE;
Willi Kreuder, Mainz, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/908 ;
U.S. Cl.
CPC ...
C08G 7/908 ;
Abstract
The invention relates to novel polymers containing fluorene structural elements, monomer parent compounds upon which said polymers are based, and the use of said inventive polymers as organic semiconductors and/or as electroluminescent material, in addition to electroluminescent devices containing said polymers.
Spreitzer, Hubert. (2003). Conjugated polymers containing special fluorene structural elements with improved properties (U.S. Patent No. 6653438). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6653438
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile