07776462 is referenced by 11 patents and cites 74 patents.

A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and the second repeating unit is a vinyl or allyl group bound to a polyether by an ether linkage. The slurry can be made into a gypsum panel.

Title
Gypsum products utilizing a two-repeating unit dispersant and a method of making them
Application Number
12/615857
Publication Number
7776462 (B2)
Application Date
November 10, 2009
Publication Date
August 17, 2010
Inventor
Dennis M Lettkeman
Watonga
OK, US
Brian Randall
Fairview
OK, US
John W Wilson
Fairview
OK, US
David R Blackburn
Barrington
IL, US
Michael P Shake
Johnsburg
IL, US
Qingxia Liu
Vernon Hills
IL, US
Agent
Pradip Sahu Esq
David F Janci Esq
Greer Burns & Crain
Assignee
United States Gypsum Company
IL, US
IPC
B32B 13/00
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