Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1978-05-05
1980-08-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528312, 528313, 528318, 528326, C08G 6924
Patent
active
042185580
ABSTRACT:
The process of making a catalyst for the polymerization of 2-pyrrolidone by contacting an alkali metal pyrrolidonate, a quaternary ammonium carboxylate and carbon dioxide.
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Anderson Harold D.
Chevron Research Company
DeJohghe T. G.
Newell D. A.
Squires L. S.
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