Heat-resistant vibration damping rubber composition

Details Heat-resistant vibration damping rubber composition Heat-resistant vibration damping rubber composition

2005-08-09

2005-08-09

Thexton, Matthew A. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S492000, C524S493000

Reexamination Certificate

active

06927244

ABSTRACT:
A heat-resistant vibration damping rubber composition wherein 20-80 parts by weight of a powder of silica having a BET specific surface area of 20-70 m2/g is mixed with 100 parts by weight of an ethylene-propylene-diene rubber material, and a sulfur-containing silane coupling agent and a mercapto-based silane coupling agent are both mixed with the ethylene-propylene-diene rubber.

REFERENCES:
patent: 3873489 (1975-03-01), Thurn et al.
patent: 0 731 133 (1996-09-01), None
patent: 1 191 058 (2003-03-01), None
patent: 11-193338 (1999-07-01), None
patent: 2002-020548 (2002-01-01), None
patent: WO 02/48256 (2002-06-01), None
USPTO obtained translation of JP 11-193338-A.
USPTO obtained translation of JP 2002-020548-A.

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