Shaped articles for use in the exploration for and/or production

Details Shaped articles for use in the exploration for and/or production Shaped articles for use in the exploration for and/or production

1984-12-06

1986-12-23

Wong, Jr., Harry

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...

522 24, 522151, 524566, 5253293, 525338, 526338, C08F 804, C08K 326, C08K 336

Patent

active

046313095

ABSTRACT:
Equipment for the exploration and/or production of petroleum and natural gas having elastomeric components have high resistance to materials encountered if the elastomeric components are shaped from a hydrogenated butadiene-acrylonitrile copolymer with a residual double bond content less than 1% and unhydrogenated nitrile groups.

REFERENCES:
patent: 2585583 (1952-02-01), Pinkney
patent: 2813809 (1957-11-01), Jones et al.
patent: 3625927 (1971-12-01), Yoshimoto et al.
patent: 3645958 (1972-02-01), Palumbo et al.
patent: 3700637 (1972-10-01), Finch
patent: 3988504 (1976-10-01), Halasa
patent: 4431704 (1984-02-01), Springer
Hach's Chemical Dictionary, (1972), p. 659, by McGraw-Hill, Inc.

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