Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1997-08-07
2000-09-19
Copenheaver, Blaine
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 89, 524240, 524271, 525437, 525540, 528289, 528290, 528295, 523507, C08J 510, C08L 8110
Patent
active
061213519
ABSTRACT:
Thermoplastic compositions containing certain anthraquinone polysulfonamide colorants incorporated therein as toners or colorants. The anthraquinone colorant moieties which are incorporated into the polymer chain of the polysulfonamide colorants are not leachable, sublimable or extractable and do not exude from the thermoplastic compositions. The anthraquinone polysulfonamide colorants may be added to the thermoplastic polymers during production or melt blended with the polymer by conventional techniques to produce transparent thermoplastic compositions useful for a variety of end uses where nonmigrating or nonextractable colorants are needed.
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Hilbert Samuel David
Pruett Wayne Payton
Shackelford Kay Hunt
Weaver Max Allen
Copenheaver Blaine
Eastman Chemical Company
Guarriello John J.
Gwinnell Harry J.
Harding Karen A.
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