Aqueous pigmented coating formulation providing for improved...

Details Aqueous pigmented coating formulation providing for improved... Aqueous pigmented coating formulation providing for improved...

2007-11-27

2007-11-27

Brunsman, David M (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Miscellaneous

C162S158000

Reexamination Certificate

active

11080886

ABSTRACT:
Aqueous pigmented coating formulations for improving opacity and processes for their manufacture are disclosed. Specifically, the aqueous pigmented coating formulations comprise an acylated lecithin that comprises a chemically modified lecithin and less than 10% (by total weight acylated lecithin) free fatty acid. Additionally, the acylated lecithin is substantially free of fatty acid esters and surfactants. The acylated lecithin provides an increase in opacity to paper and paperboard coated with the aqueous pigmented coating formulation.

REFERENCES:
patent: 5858933 (1999-01-01), Nikoloff
Rohmann, “Paper and Pulp, 9. Coating of Paper and Board” Ullmann's Encyclopedia of Industrial Chemistry, article posted online Jun. 15, 2000.

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