Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1983-08-22
1984-12-25
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
204158HE, 528353, 549236, 549241, C07D30793
Patent
active
044905459
ABSTRACT:
Cyclic dianhydrides and polyimides are prepared from maleic anhydride compounds and diolefins. The diolefins are alpha-, omega-linear diolefins of up to 100 carbon atoms or cyclic diolefins of up to 40 carbon atoms. The polyimides and copolyimides prepared from these cyclic dianhydrides are useful in films, fibers and coatings.
REFERENCES:
patent: 3472749 (1969-10-01), Bradshaw
patent: 4360657 (1982-11-01), Nimry et al.
patent: 4371701 (1983-02-01), Fields et al.
Fields Ellis K.
Shneider Benjamin L.
Winzenburg Mark L.
Clarke William C.
Magidson William H.
McClain William T.
Raymond Richard L.
Standard Oil Company (Indiana)
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