Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1976-03-19
1978-01-31
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
260 332R, 260 336UA, 260 338UA, 427391, 428342, 428513, C08K 503
Patent
active
040716660
ABSTRACT:
This invention relates a relatively low molecular weight polystyrene having a narrow molecular weight distribution range in combination with a 1 to 3-aromatic hydrocarbon ring compound, chloromethylated derivatives thereof, quaternary amine derivatives of said chloromethylated derivatives and the use of such amines as electroconductive resins for the preparation of electroconductive coated papers useful for electrographic printing.
REFERENCES:
patent: 2272996 (1942-02-01), Warner
patent: 2329033 (1943-09-01), Britton
patent: 2331273 (1943-09-01), Lowry
patent: 2438516 (1948-03-01), New
patent: 2454851 (1948-11-01), Warner
patent: 2750349 (1956-06-01), O'Herren
patent: 2779744 (1957-01-01), Groff
patent: 3859268 (1975-01-01), Novack
Mellan, Industrial Plasticizers, MacMillan Co., New York, 1963, pp. 67-69.
Fifield David H.
Michl Paul R.
The Dow Chemical Company
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