Patent ID: 11884040
Assignee: UNITED STATES GYPSUM COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 12:
13. The method of claim 12, the slurry further comprising a pregelatinized starch in an amount from about 0.5% to about 10% by weight based on the weight of the stucco, and a naphthalenesulfonate dispersant in an amount from about 0.1% to about 3.0% by weight based on the weight of the stucco, and a trimetaphosphate compound chosen from sodium trimetaphosphate, potassium trimetaphosphate, lithium trimetaphosphate, and ammonium trimetaphosphate, the trimetaphosphate compound being in an amount from about 0.12% to about 0.4% by weight based on the weight of the stucco.