Methods of preparing gypsum wallboards containing styrene...

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers

Reexamination Certificate

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C428S523000, C428S688000, C106S778000, C106S471000, C264SDIG005, C524S423000, C524S575000

Reexamination Certificate

active

06902821

ABSTRACT:
Gypsum wallboard compositions are disclosed which contain functionalized styrene butadiene latex polymers. Methods for the use of the compositions in the manufacture of wallboard panels and sheets is presented.

REFERENCES:
patent: 5274027 (1993-12-01), Guillaume et al.
patent: 5879825 (1999-03-01), Burke et al.
patent: 6171388 (2001-01-01), Jobbins
patent: 6184287 (2001-02-01), Westerman
patent: 6291573 (2001-09-01), Pakusch et al.
patent: 1 112 987 (2001-07-01), None
patent: 1 112 987 (2001-10-01), None

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