Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-02-11
1994-06-28
Nutter, Nathan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 5431, 525 58, 525123, 525127, 525453, 527301, 527401, C08G 6348, C08G 6391, C08F 800, C08B 1506
Patent
active
053247779
ABSTRACT:
The invention relates to a process for the production of polymers containing ammonium groups in which OH-functional polymers are first reacted with isocyanates corresponding to general formula I
REFERENCES:
patent: 3963680 (1976-06-01), O'Keefe et al.
patent: 4898922 (1990-02-01), Shiraki
patent: 4939216 (1990-07-01), Lawrenz et al.
patent: 4980385 (1990-12-01), Scarpati et al.
Arlt Dieter
Buysch Hans-Josef
Szablikowski Klaus
Nutter Nathan M.
Wolff Walsrode AG
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