Ex parte WANG et al. - Page 2
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Appeal No. 1997-0186
Application No. 08/314,568
component for polymerizing ethylene formed by a particular
process. Claim 1 is representative and reads as follows:
1. A catalyst component for ethylene polymerization formed
by:
(1) initially reacting a metal oxide support with an
organomagnesium compound to form a supported
organomagnesium composition;
(2) reacting the supported organomagnesium composition
with an alkoxy silane;
(3) contacting the product from step (2) with a
chlorinating reagent; and
(4) contacting the product from step (3) with a liquid
titanium halide.
The references relied upon by the examiner are:
Johnstone 4,396,533 Aug.
2, 1983
Wang et al. 5,244,853 Sep. 14,
1993
Furuhashi et al. (EP '524) 0,208,524 Jan. 14,
1987
(Published European Patent Application)
The following rejections are at issue in this appeal:
(1) Claims 1-4, 6-14 and 16-22 are rejected under 35
U.S.C. § 112, first paragraph, as being based on a nonenabling
disclosure.
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