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
1981-07-23
1982-11-02
Hamrock, William F.
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...
525242, 525369, 525383, 526202, C08F 812
Patent
active
043574378
ABSTRACT:
A process for the production of water-soluble hydrolyzed polyacrylonitrile polymers, wherein the acrylonitrile is polymerized in the presence of 1-8% by weight of hydrolyzed polyacrylonitrile and hydrolyzed without intermediate isolation from the reaction mixture.
REFERENCES:
patent: 3419502 (1968-12-01), Newman
patent: 3515692 (1970-06-01), Corrock et al.
patent: 3553116 (1971-01-01), Kaplan et al.
patent: 3957711 (1976-05-01), Powanda et al.
Hoppe Lutz
Huhn Helmut
Karstens Werner
Hamrock William F.
Wolff Walsrode AG
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