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. 23, 1999
Filed:
Jan. 07, 1997
Applicant:
Inventors:
Oswald Robert Bergmann, Wilmington, DE (US);
Carol Annona Brevett, Bear, DE (US);
Carl Brent Douglas, Claymont, DE (US);
Peter Chungwai Szeto, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; H01B / ;
U.S. Cl.
CPC ...
428323 ; 4284111 ; 428412 ; 428426 ; 428457 ; 428480 ; 428523 ; 428532 ; 252500 ; 524284 ; 524408 ; 524410 ; 524414 ; 524439 ; 524910 ; 524912 ;
Abstract
Transparent electroconductive coating compositions, methods to prepare such coating compositions, and substrates coated with these coating compositions. The coatings are based on polymeric resins containing finely dispersed electroconductive powders. The coatings can be characterized by the following: thermoformable while retaining transparency and electrical conductivity that is insensitive to humidity; low chloride extractability, stable to exposure to isopropanol or water/soap solutions.