Calcium-magnesium carbonate composite and method for the prepara

Details Calcium-magnesium carbonate composite and method for the prepara Calcium-magnesium carbonate composite and method for the prepara

1992-07-20

1993-07-27

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

1621814, C09C 102

Patent

active

052307344

ABSTRACT:
A calcium-magnesium carbonate composite consisting of particles of calcium carbonate and magnesium carbonate hydroxide and having excellent properties, for example, as a pigment for paper coating is proposed, which is a uniform blend of:

REFERENCES:
patent: 2105503 (1938-01-01), Rafton
patent: 3197322 (1965-07-01), Maskal et al.
patent: 3869299 (1975-03-01), Periard
patent: 4824654 (1989-04-01), Ota et al.
Database WPIL Section Ch, Week 8827, Derwent Publications Ltd., London, GB; Class A60, AN 88-186570 & JP-A-63 123 810 (Kamishima Kagaku) *abstract*.

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