Appeal No. 1999-2242
Application No. 08/137,056
adherent coating thereon, which creates a smooth, unblemished,
uniform and firmly adherent coating on the molded part and
substantially reduces the number and cost of post-molding
operations. See col. 1, ll. 48-58. The disclosed method
includes the steps of coating the surface of a mold, prior to
molding the plastic part, with a coating composition
containing a reaction promoter for the reactive plastic
molding material, introducing the reactive plastic molding
material into the mold, the reaction promoter being present in
an amount sufficient to transfer the coating
composition from the mold surface and bond it to the substrate
formed by the reactive molding material, molding the part and
removing the part from the mold. Id. at ll. 25-36. Mohiuddin
specifically teaches that the coating composition may be
applied to the mold surface by spraying. See col. 2, ll. 2-5.
Based on our review of the applied prior art, it appears
that the differences between the method recited in appealed
claim 12 and that disclosed in Yasukawa are that Yasukawa’s
disclosed method does not include a permanent PTFE coating on
13
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