Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1994-12-28
1996-03-26
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526330, C08F22610, C08F21808
Patent
active
055021360
ABSTRACT:
A process is described for making substantially homogeneous copolymers comprising 50-90% of vinyl pyrrolidone (VP) and 10-50% of vinyl acetate (VA), by weight, which form clear aqueous solutions.
REFERENCES:
patent: 4039734 (1977-08-01), Hendy
patent: 4520179 (1985-05-01), Barabas et al.
patent: 5319041 (1994-06-01), Zhong et al.
Reuven Yakir
Wolf Philip F.
Zhong Yuanzhen
Cheng Wu C.
ISP Investments Inc.
Katz Walter
Maue Marilyn J.
Schofer Joseph L.
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