Substrate-free conductive pigments

Details Substrate-free conductive pigments Substrate-free conductive pigments

1994-09-30

1996-07-16

Bell, Mark L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

106400, 106401, 106481, 524401, H01B 106, H01B 114

Patent

active

055364470

ABSTRACT:
Substrate-free electrically conductive pigment containing 90 to 98% by weight of tin oxide and 1 to 10% by weight of at least one doping substance consisting of an oxide of an element form main group III, IV or V of the Periodic Table with the exception of tin, which pigment is preparable by intimate mixing of tin dioxide with at least one doping substance, followed by calcining of the resulting mixture at 800.degree. to 1,000.degree. C. for 30 to 120 minutes.

REFERENCES:
patent: 3923698 (1975-12-01), Kamigaito
patent: 4431764 (1984-02-01), Yoshizumi
patent: 4655966 (1987-04-01), Guillaumon
patent: 5246623 (1993-09-01), Giersberg et al.
patent: 5269970 (1993-12-01), Ruf et al.
patent: 5284705 (1994-02-01), Cahill
patent: 5296168 (1994-03-01), Jacobson
patent: 5320781 (1994-06-01), Stahlecker et al.
patent: 5376307 (1994-12-01), Hagiwara et al.
DIN 53 596, Nov. 1960, Germany.

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