Stock material or miscellaneous articles – Composite – Of bituminous or tarry residue
Patent
1983-09-16
1984-10-02
Morgenstern, Norman
Stock material or miscellaneous articles
Composite
Of bituminous or tarry residue
4284111, 428447, 427108, 427109, 427 58, 4271261, 4271262, 4272551, 4272557, 427337, G02F 117
Patent
active
044744331
ABSTRACT:
A deposit of electrochromic display material such as, for example, lutetium diphthalocyanine chemically treated to have substantially the same color as electrolytically cycled deposits of the same display material.
REFERENCES:
patent: 4036551 (1977-07-01), Mori
patent: 4039255 (1977-08-01), Yamashita
patent: 4184751 (1980-01-01), Nicholson
patent: 4210390 (1980-07-01), Yaguchi
patent: 4266335 (1981-05-01), Matsumoto et al.
Nicholson Margie M.
Weismuller Thomas P.
Bueker Richard
Friedman Gilbert H.
Hamann H. Fredrick
Morgenstern Norman
Rockwell International Corporation
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