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
1988-10-07
1990-08-14
Bleutge, John C.
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...
525199, C08L 2720, C08L 2718, C08L 2716
Patent
active
049488309
ABSTRACT:
An improved fluoroelastomer composition for hydraulic seals is described which comprises a ternary mixture of a polymer including alternate fluorocarbon and hydrocarbon components joined together, EPDM (a random terpolymer of ethylene, propylene and a diene), and CTFE (an oligomer of chlorotrifluoroethylene) in a preferred weight ratio of about 85:15:10.
REFERENCES:
patent: 2992988 (1961-07-01), Dipner
patent: 3372136 (1968-03-01), Kometani
patent: 4472557 (1984-09-01), Kawashima et al.
patent: 4487882 (1984-12-01), Ueta et al.
patent: 4603175 (1986-07-01), Kawachi et al.
Fraser Leslye M.
Martin Jon W.
Bleutge John C.
Buttner David
Scearce Bobby D.
Singer Donald J.
The United States of America as represented by the Secretary of
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