Precipitated encapsulated paper pigments and methods

D - Textiles – Paper – 21 – H

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9/65, 117/48.2

D21H 17/68 (2006.01) C09C 1/00 (2006.01) C09C 3/06 (2006.01) D21H 17/69 (2006.01) D21H 19/38 (2006.01)

Patent

CA 1339880

A composite pigment product useful as a paper filler pigment comprises a mineral nucleus coated with a substantially continuous substantially uniform coating of an active paper pigment. The active paper pigment coating is preferably formed in situ under alkaline conditions.

607488

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