Cement compositions and biodegradable dispersants therefor

Details Cement compositions and biodegradable dispersants therefor Cement compositions and biodegradable dispersants therefor

1998-09-01

2000-02-01

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106696, 106707, 106781, 106805, 106809, 106823, C04B 2418

Patent

active

060198354

ABSTRACT:
This invention provides improved cement composition and biodegradable dispersants therefor. The biodegradable dispersants are basically comprised of a high molecular weight, phenolic hydroxy group blocked, alkali metal lignosulfonate.

REFERENCES:
patent: 3359225 (1967-12-01), Weisend
patent: 3672817 (1972-06-01), Falkehag et al.
patent: 3769272 (1973-10-01), Hintz
patent: 3865803 (1975-02-01), Falkehag
patent: 4184845 (1980-01-01), Lin
patent: 4557763 (1985-12-01), George et al.
patent: 4818288 (1989-04-01), Aignesberger et al.
patent: 4846888 (1989-07-01), Detroit

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