Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-02-22
2008-08-26
Mulcahy, Peter D (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S083000
Reexamination Certificate
active
07417085
ABSTRACT:
There are disclosed a thermoplastic resin composition, consisting essentially of:100 parts by weight of a thermoplastic resin,(A) 0.001 to 1 part by weight of at least one antioxidant selected from compounds of formula (A-I):wherein R1, R2, R4and R5independently represent hydrogen, C1-8alkyl, C5-8cycloalkyl, or the like, R3represents hydrogen, C1-8alkyl, or the like, X represents a single bond, or the like, (B) 0.001 to 150 parts by weight of an inorganic anti-blocking agent having a solid acid in the amount of 100 μmol or less per 1 g of the inorganic anti-blocking agent, and an optionally selected agent(s).
REFERENCES:
patent: 5717013 (1998-02-01), Ichiyanagi et al.
patent: 4-220443 (1992-08-01), None
patent: 2003-253061 (2003-09-01), None
Foley & Lardner LLP
Mulcahy Peter D
Sumitomo Chemical Company Limited
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