Appeal No. 1997-0530
Application 08/312,493
the copolymer is compatible with said first polymer, is
distinct from the first and second polymers, and contains
polymeric chains selected from polysiloxanes, said copolymer
is present in the blend in a quantity between 0.5% and 20% by
weight and acts as a compatibilizing agent between the first
and second polymer to thereby create said polymer blend.
THE REFERENCES
Preston 3,632,440 Jan. 4,
1972
Takekoshi et al. (Takekoshi) 4,769,424 Sep. 6,
1988
Haubennestel et al. (Haubennestel) 4,812,518 Mar. 14,
1989
THE REJECTIONS
Claims 1, 4, 7-11 and 13-22 stand rejected under 35
U.S.C. § 112, first paragraph, written description
requirement. Claims stand rejected under 35 U.S.C. § 103 as
follows: claims 1, 4, 10, 11, 13 and 15-22 over Haubennestel
and also over Haubennestel in view of Takekoshi, and claim 14
over Haubennestel in view of Preston and also over
Haubennestel in view of Takekoshi and Preston.1
OPINION
1The rejections of claims 7-9 over prior art are
withdrawn in the examiner’s answer (pages 2 and 15).
3
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