Appeal No. 95-1360
Application No. 08/134,002
final rejection of claims 1-15, all of the claims pending in
the application. The claims are directed to a controlled set
cement product comprising rapid hardening hydraulic cement and
an additive package. Claim 1 is representative of the subject
matter on appeal and reads as follows:
1. A controlled set cement product comprising rapid
hardening hydraulic cement and an additive package of three
materials wherein the additive package consists essentially
of, based on the weight of cement:
Material Weight Percent
pozzolan up to 20%
set retarder up to 4%
plasticizer up to 3%
wherein all three materials are present in the additive
package.
The prior art relied upon by the examiner is:
Watanabe et al. (Watanabe) 4,861,378 Aug. 29, 1989
Mimura et al. (JP '127) 51-65127 June 5, 1976
(Japanese Kokai)
The following rejections are at issue in this appeal:
(1) Claims 1-6 are rejected under 35 U.S.C. § 103 as
being unpatentable over Watanabe.
(2) Claims 7-15 are rejected under 35 U.S.C. § 103 as
being unpatentable over the combination of Watanabe and JP
2
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