Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate
2004-10-18
2009-11-17
Choi, Ling-Siu (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
C521S040500, C521S041000, C521S043500, C521S044000, C521S048000, C521S048500, C528S480000, C528S490000, C428S034000, C428S221000
Reexamination Certificate
active
07619013
ABSTRACT:
[Problems] To produce a resin composition from a waste plastic material composed of a major portion of a thermoplastic resin and a small amount of incompatible solid foreign material.[Means for solving problems] A reclaimed resin composition which is produced by mixing a pulverized waste plastic material containing a major portion of a thermoplastic resin and a small amount of a non-thermoplastic solid foreign material with a light-shielding component and a light-shielding filler to give a mixture and melting the mixture under heating, and a sheet made from which shows a relationship between a lightness and a light transmittance satisfying the following condition:in-line-formulae description="In-line Formulae" end="lead"?(A×B)≦4000in-line-formulae description="In-line Formulae" end="tail"?wherein A means a lightness of a sheet of 3 mm thick having been made of the reclaimed resin composition, and B means a total light transmittance (%) of a sheet of 50 μm thick having been made of the resin composition.
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Akagawa Tomohiko
Ako Tatsushi
Kita Yasuo
Nozaki Kenji
Choi Ling-Siu
Costellia Jeffrey L.
Nixon & Peabody LLP
Tischler Frances
Ube Industries Ltd.
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