Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1987-11-02
1989-02-21
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528126, 528128, 528190, 528194, 525173, 525174, C08G 6318
Patent
active
048066184
ABSTRACT:
Novel aromatic polyethers excellent in heat resistance and soluble in various organic solvents are obtained by introducing 9,9-biphenylfluorene group, optionally together with another divalent aromatic group, into the structural units of a polyether derived from either diphenyl ketone or diphenyl sulfone.
REFERENCES:
patent: 4598137 (1986-07-01), Guiver et al.
patent: 4612350 (1986-09-01), Parker
Imai Yoshio
Kakimoto Masa-aki
Koishi Toshio
Maruyama Yutaka
Central Glass Company Limited
Kight John
Moore M. L.
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