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. 18, 2006
Filed:
Jan. 15, 2003
Applicants:
Hans-leo Weber, Rommerskirchen, DE;
Klaus Meyer, Dormagen, DE;
Peter Bier, Krefeld, DE;
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dielectric capacitor having self healing properties is disclosed. The capacitor includes a film made of an amorphous aromatic copolycarbonate having a weight average molecular weight of at least 10,000 and a glass transition temperature of at least 160° C. In a preferred embodiment the copolycarbonate includes structural units derived from bisphenol TMC. Also disclosed is a process for making the film.