Method for coating thermoplastic resin beads for use in...

Details Method for coating thermoplastic resin beads for use in... Method for coating thermoplastic resin beads for use in...

2004-04-16

2008-08-19

Cleveland, Michael (Department: 1792)

Coating processes

Particles, flakes, or granules coated or encapsulated

Resin base

C427S407100

Reexamination Certificate

active

07413772

ABSTRACT:
A method for coating thermoplastic resin beads for use in imitation pearls includes the steps of: applying to celluloid a surface treatment compound (A) dissolved into a mixed solution of acetone, ethylacetate, butylacetate, and benzene; coating the surface treated celluloid with compounds for an under coat and a mid coat, each compound being obtained by dissolving celluloid into a mixed solution of ethylacetate and amylacetate, and adding a pigment thereto; and coating the celluloid with a compound for a top coat (D) that is prepared by dissolving celluloid into ethylacetate, and adding a pigment thereto.

REFERENCES:
patent: 1607622 (1926-11-01), Higgins
patent: 1868851 (1932-07-01), Rocker et al.
patent: 1969477 (1934-08-01), Rittman
patent: 1982280 (1934-11-01), Bell
patent: 2384493 (1945-09-01), Rolle
patent: 3342686 (1967-09-01), Jewel et al.

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