Appeal No. 1996-2626
Application No. 08/286,046
18. A polymeric fiber containing anti-static agent, wherein the fiber is produced
according to the method comprising:
a) forming a nonaqueous dispersion of a pulverized polyoxyethylene alkylamine
anti-static agent which is a solid waxy material at room temperature with a carrier;
b) injecting the nonaqueous anti-static agent and carrier dispersion into a spinning
extruder;
c) adding fiber-forming polymer to the spinning extruder;
d) heating together the anti-static agent and polymer to form a melt in the extruder;
and
e) extruding the melt to form a polymeric fiber containing anti-static agent.
20. The fiber of claim 18, wherein the anti-static agent is N, N-dipolyoxyethylene-N-2
hydroxyalkyl amine.
The references relied upon by the examiner are:
Burton 5,116,897 May 26, 1992
Burditt et al. (Burditt) 5,157,067 Oct. 20, 1992
Jones 5,236,645 Aug. 17, 1993
Ground of Rejection
Claims 18 and 20-24 stand rejected under 35 U.S.C. § 103. As evidence of
obviousness, the examiner relies upon Jones, Burton and Burditt.
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