Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1988-08-26
1992-09-08
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524449, 524451, 524456, 524504, 524505, 525 64, 525 92, C08K 334
Patent
active
051458926
ABSTRACT:
A polypropylene resin composition superior in rigidity, resistance to heat distortion, to secondary deformation, to sink mark forming and warpage deformation is provided which comprises a specified polypropylene-ethylene block copolymer and an organic fiber and an optionally added inorganic fiber, or a specified modified polypropylene-ethylene block copolymer and an organic fiber and an optionally added inorganic filler.
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patent: 4550144 (1985-10-01), Chiba et al.
patent: 4603153 (1986-07-01), Sobajima et al.
patent: 4621115 (1986-11-01), Morita et al.
patent: 4720516 (1988-01-01), Kishida et al.
Asakuno Hiroyoshi
Iwai Kenji
Mori Kinya
Yasukawa Yoshiaki
Bleutge John C.
Chisso Corporation
Dean R.
Philpitt Fred
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