Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1982-03-09
1983-05-17
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528176, 528193, 528194, 528195, C08G 6366, C08G 6368
Patent
active
043841066
ABSTRACT:
Disclosed are copolyesters based on terephthalic or isophthalic acids, or both and at least one of 1,3 bis(2-hydroxyethoxy)benzene and bis(4-.beta.-hydroxyethoxyphenyl) sulfone, which also contain 1,4 bis(2-hydroxyethoxy)benzene as one of the diol reactants in order to prepare solid copolyesters having improved folding endurance or fatigue resistance than the same copolyesters without such coreactant.
REFERENCES:
patent: 2973339 (1961-02-01), Muenster et al.
patent: 3558557 (1971-01-01), Hrach et al.
patent: 4145517 (1979-03-01), Go
patent: 4188357 (1980-02-01), Go
patent: 4196275 (1980-04-01), Go
patent: 4307060 (1981-12-01), Go
patent: 4330661 (1982-05-01), Go
Burzynski Dennis J.
Go Santos W.
Click Myron E.
Lee Lester L.
Lynch Charles S.
Owens--Illinois, Inc.
Wilson David H.
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