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:
Mar. 05, 1991
Filed:
Oct. 17, 1989
Applicant:
Inventors:
Assignee:
Ube Industries, Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284735 ; 4284111 ; 428457 ; 428461 ; 428901 ; 428930 ; 505806 ; 505884 ; 505-1 ;
Abstract
A flexible Nb-containing superconductor-laminated aromatic polyimide material useful for superconducting wires and circuits, comprising an Nb-containing superconductor layer formed on an aromatic imide polymer substrate, which preferably comprise a polymerization-imidization product of an aromatic tetracarboxylic acid component comprising, as a major ingredient, a biphenyltetracarboxylic dianhydride with an aromatic diamine component comprising, as a major ingredient, an aromatic diamine having a one benzene ring structure.