Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1989-06-26
1990-09-04
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C08F 1804
Patent
active
049545949
ABSTRACT:
Copolymers consisting of 95 to 50 weight percent of ethylene and 5 to 50 weight percent of methoxyacetic acid vinyl ester and having a molecular mass from 500 to 10,000 g.times.mole.sup.-1. Methods for preparation and use are also disclosed. The copolymers are used as flow improvers for mineral oil distillates, in particular mineral oil middle distillates.
REFERENCES:
patent: 4222924 (1980-09-01), Schumacher
patent: 4322326 (1982-03-01), Pyle
Ullmans Encyclopaedie de Technischen Chemie, 4th Ed., vol. 19, pp. 169-178.
German Patent 604840, 4-10-1984.
Buhnen Heinz D.
Payer Wolfgang
Zoller Wilhelm
Bierman Jordan B.
Hoechst Aktiengesellschaft
Schofer Joseph L.
Smith Jeffrey T.
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