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. 19, 2006
Filed:
Apr. 28, 2003
Applicants:
Recai Sezi, Rottenbach, DE;
Andreas Walter, Egloffstein, DE;
Klaus Lowack, Erlangen, DE;
Anna Maltenberger, Leutenbach, DE;
Robert Banfic, Nürnberg, DE;
Inventors:
Recai Sezi, Rottenbach, DE;
Andreas Walter, Egloffstein, DE;
Klaus Lowack, Erlangen, DE;
Anna Maltenberger, Leutenbach, DE;
Robert Banfic, Nürnberg, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/30 (2006.01); C08G 73/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Poly-o-hydroxyamides include binaphthyl substituents as repeating units. The poly-o-hydroxyamides can be cyclized to give the polybenzoxazole by heating. Pore formation occurs, so that a dielectric having a very low dielectric constant k of less than 2.5 is obtained.