Appeal No. 2003-1885
Application No. 09/837,226
and a polymer latex binder (Brief, page 2). Representative
independent claim 1 is reproduced below:
1. A moisture-tolerant structural panel comprising
(1) a gypsum core; and
(2) a coated mat comprising fibers adhered to at least one
surface of said gypsum core;
the coated mat having a coating comprising a combination
of (i) a mineral pigment, (ii) an inorganic adhesive binder and
(iii) a polymer latex adhesive binder.
The examiner has relied upon the following references as
evidence of obviousness:
Ramig, Jr. et al. (Ramig) 3,945,965 Mar. 23, 1976
Gay et al. (Gay) 5,112,678 May 12, 1992
Randall 5,342,680 Aug. 30, 1994
Green et al. (Green) 5,397,631 Mar. 14, 1995
Jaffee 5,772,846 Jun. 30, 1998
Claims 1, 2, 4-11, 13-15, 17, 18 and 21-27 stand rejected
under 35 U.S.C. § 103(a) as unpatentable over Green in view of Gay
(Answer, page 3). Claims 3 and 12 stand rejected under 35 U.S.C.
§ 103(a) as unpatentable over Green in view of Gay and Jafee
(Answer, page 5). Claim 16 stands rejected under 35 U.S.C.
§ 103(a) as unpatentable over Green in view of Gay and Randall
(id.). Claims 19, 20 and 28 stand rejected under 35 U.S.C.
§ 103(a) as unpatentable over Green in view of Gay and Ramig
(Answer, page 6).
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