Appeal No. 96-1952
Application No. 08/163,778
Paper No. 7). Claims 1 through 5 are the only claims
remaining in this application.
According to appellants, the invention is directed to a
dispersant system which comprises (1) a copolymer of
diallyldimethylammonium chloride (DADMAC) and certain classes
of hydrophobic monomers and (2) a water soluble cationic
copolymer composed of 20 mole% or more of monomer units
represented by formula (II)(Brief, page 2). Claim 1 is
illustrative of the subject matter on appeal and is attached
as an Appendix to this decision.
The examiner has relied upon the following references as
evidence of obviousness:
Farrar et al. (Farrar) 4,835,206 May 30, 1989
Takeda et al. (Takeda) 4,929,655 May 29, 1990
Suzuki et al. (Suzuki) DE 2749295 May 18, 1978
(Published German Patent Application)2
Masano et al. (Masano) 57-90035 June 4, 1982
2The examiner has relied upon the abstract of each of the
Suzuki ("Nitto") and Masano ("Mitsubishi") references (see the
Answer, page 4, second paragraph). This merits panel relies
upon and cites from the English translation of the full Suzuki
and Masano references. A copy of these translations have been
inserted into the file record. The examiner is encouraged to
rely upon an English translation of the full reference when
readily available.
2
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