Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-03-03
1993-12-28
Springer, David B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D207263
Patent
active
052741206
ABSTRACT:
What is provided herein is 1-vinyl-3(E)-ethylidene pyrrolidone in a purity of at least 95%, in the form of white, needle-shaped crystals having a melting point of 59.degree.-61.degree. C.
REFERENCES:
Haaf et al, Polymer Journal, vol. 17, No. 1, pp. 143-152 (1985).
Tseng Susan Y.
Wolf Philip F.
ISP Investments Inc.
Katz Walter
Maue Marilyn J.
Springer David B.
Ward Joshua J.
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