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. 26, 1990
Filed:
Jul. 08, 1988
Applicant:
Inventors:
Poopathy Kathirgamanathan, North Harrow, GB;
Philip N Adams, London, GB;
Andrew M Marsh, Hayes, GB;
Dilip Shah, Wembley, GB;
Assignee:
Cookson Group plc, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428403 ; 428407 ;
Abstract
An inorganic powdery or granular material which is coated with a coating of an inherently conductive polymeric material, such as a conductive polypyrrole or substituted polypyrrole, a polythiophene or substituted polythiophene, a polyaniline or substituted polyaniline, a polyethylene oxide or an aniline copolymer. The material which is coated is talc, mica, wollastonite, calcium carbonate, aluminium hydroxide, clay or hydroxyapatite.