Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-09-12
2011-10-11
Mulcahy, Peter D (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S210000, C524S505000
Reexamination Certificate
active
08034858
ABSTRACT:
Disclosed is a polypropylene resin composition comprising predetermined amounts of a propylene-ethylene block copolymer (A-1), a first ethylene-α-olefin random copolymer rubber (B-1) which has a density of from 0.85 to 0.885 g/cm3and a melt flow rate measured at 190° C. of 5 g/10 min or less, a second ethylene-α-olefin random copolymer rubber (B-2) which has a density of from 0.85 to 0.885 g/cm3and a melt flow rate measured at 190° C. of 10 g/10 min or more, an inorganic filler (C), a fatty acid amide (D), and optionally a propylene homopolymer (A-2). Injection molded articles produced from the composition is also disclosed.
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English Translation of CN Office Action issued Sep. 18, 2009 from the Chinese Patent Office in counterpart CN Application No. 200510099993.3.
Mulcahy Peter D
Panitch Schwarze Belisario & Nadel LLP
Sumitomo Chemical Company Limited
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