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:
Aug. 16, 1994
Filed:
Sep. 28, 1992
Applicant:
Inventors:
Anne K St Clair, Poquoson, VA (US);
Terry L St Clair, Poquoson, VA (US);
William P Winfree, Williamsburg, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; B05D / ; B32B / ;
U.S. Cl.
CPC ...
528353 ; 528125 ; 528126 ; 528128 ; 528170 ; 528172 ; 528173 ; 528176 ; 528183 ; 528185 ; 528188 ; 528220 ; 528229 ; 528350 ; 428458 ; 4284735 ; 427 58 ; 427162 ; 427165 ; 427168 ; 264212 ; 264216 ;
Abstract
A structure which is effective as an electrical insulator or as a transmitter-receiver of electromagnetic energy is prepared by providing a suitable substrate and covering the substrate with an adhering layer of a low dielectric, high temperature, linear aromatic polyimide. This polyimide is prepared by: