Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-12-27
1993-02-16
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524495, C08K 304
Patent
active
051872234
ABSTRACT:
In a pneumatic tire, a tread portion is comprised of a rubber composition containing 30-70 parts by weight of carbon black powder having particular properties based on 100 parts by weight of rubber component.
REFERENCES:
patent: 4644988 (1987-02-01), Ahmad et al.
patent: 4678830 (1987-07-01), Sato et al.
patent: 4703079 (1987-10-01), Ahmad et al.
patent: 4748168 (1988-05-01), Kawakami et al.
"Handbook of Fillers and Reinforcements for Plastics"; Katz and Milewski, eds.; Van Nostrand Reinhold (1978) pp. 277-281.
Asatsuma Keiji
Inoue Yasuhito
Kondo Akitoshi
Asahi Carbon Co., Ltd.
Cain Edward J.
Michl Paul R.
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