Magnesium hydroxide-containing paper
AssigneeThe Dow Chemical Company
InventorsJohn Maskal, Ivan M. Thompson, Henrik R. Heikel
Life of this patent
Estimating the term…
Abstract
Paper possessing outstanding opacity, whiteness and gloss characteristics containing a magnesium hydroxide pigment having about 1 to 5 weight per cent calcium ion concentration in solid solution therewith and methods of manufacturing such paper are provided. The pigment is contained either as a paper filler or as a component of a coating pigment composition.
Claims6
A pigment composition for use as a paper coating which comprises a magnesium hydroxide pigment having from about 1 to about 5 weight percent calcium ion concentration in solid solution and at least one binder material.
A pigment composition for use as a paper coating which comprises a magnesium hydroxide pigment having from about 1 to about 5 weight percent calcium ion concentration in solid solution and having from about 10 to about 25 weight percent of at least one binder material.
Dependencies are inferred from the claim text.