Appeal No. 95-4089
Application 08/090,073
A composition according to Claim 1 which is substantially
free of anionic or cationic surfactant.
8. Claim 7 reads as follows:
A composition according to Claim 1 which is substantially
free of phosphoric acid.
The examiner's rejection
9. The examiner has rejected all the claims as
being unpatentable under 35 U.S.C. § 103 over Thomas, U.S.
Patent 5,039,441 (1991) and Heit, U.S. Patent 3,277,0084
(1966).5
Thomas
10. Thomas describes cleaning compositions having a
pH of 1 to 4 (col. 8, lines 36-37).
11. The compositions are said to be useful for
cleaning bathtubs and other bathroom surfaces (col. 2, line
13).
12. The Thomas compositions contain:
Thomas is prior art under 35 U.S.C. § 102(e).4
Heit is prior art under 35 U.S.C. § 102(b).5
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