Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1980-03-17
1981-03-17
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D33348
Patent
active
042569036
ABSTRACT:
The formation of polysulfone polymer during the synthesis of sulfolenes from conjugated dienes and sulfur dioxide is reduced by the incorporation of a small, effective amount of a mono- and/or dialkenyl amine.
REFERENCES:
patent: 3514469 (1970-05-01), Phillips et al.
patent: 3544430 (1970-12-01), Mihm
Phillips Petroleum Company
Siegel Alan
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