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:
Jun. 21, 1988
Filed:
Nov. 20, 1986
Applicant:
Inventors:
Tomio Oyachi, Tokorozawa, JP;
Hideo Tajima, Kodaira, JP;
Tatsuya Kanayama, Kodaira, JP;
Yasuhiro Ino, Kodaira, JP;
Minoru Ishiharada, Kodaira, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; D02G / ;
U.S. Cl.
CPC ...
428323 ; 428330 ; 428364 ; 428375 ; 428403 ; 428404 ; 428407 ; 428903 ;
Abstract
A wave absorber comprising semiconductive ceramic short fibers having defined diameter, aspect ratio and volume resistivity dispersed in polymer materials. The dispersion is usually formed on a sheet or film base as a layer. A method for making the wave absorber is also described.