Appeal No. 1997-1801
Application 08/351,162
1. The rejection of claims 13 and 14 under 35 U.S.C. § 102(b) as anticipated by U.S.
2 3
patents to Tomanek and Nakano ;
2. The rejection of claims 13 and 14 under 35 U.S.C. § 102(e) as anticipated by a U.S.
patent to Anderson ; 4
3. The rejection of claims 1-5 and 7-14 under 35 U.S.C. § 103(a) as unpatentable over the
combination of Anderson and Nakamura ; 5
4. The rejection of claims 1-3 and 6-14 under 35 U.S.C. § 103(a) as unpatentable over the
combination of Nakano and Nakamura.
The claimed subject matter is directed generally to a process for producing a multicolor toner or
developer composition wherein toner pellets of different colors are mixed and then ground to form a
colored toner powder which is a mixture of the different colors. The color toner pellets used in the process
are said to be conventional and made by conventional methods such as extrusion. Specification, p. 3, p.
10. Applicants also claim the powdered multicolor toner made by the process.
II.
Applicants state that each of the claims is separately patentable but groups the claims into three
2
U.S. Patent 3,236,776 issued February 22, 1966.
3
U.S. Patent 5,077,158 issued December 31, 1991.
4
U.S. Patent 5,370,962 issued December 6, 1994.
5
U.S. Patent 4,859,560 issued August 22, 1989.
2
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