Tricyclo[6.4.0.0.sup.2,7 ] dodecane-3,6-diphenyl-1,8,4,5-tetraca

Details Tricyclo[6.4.0.0.sup.2,7 ] dodecane-3,6-diphenyl-1,8,4,5-tetraca Tricyclo[6.4.0.0.sup.2,7 ] dodecane-3,6-diphenyl-1,8,4,5-tetraca

1982-06-10

1983-07-12

Lee, Lester L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D49304

Patent

active

043932223

ABSTRACT:
Novel polyimides, copolyimides and molding compositions are prepared from novel dianhydrides such as tricyclo[6.4.0.0.sup.2,7 ] dodecane-3,6-diphenyl-1,8,4,5-tetracarboxylic acid dianhydride and tricyclo-[6.4.0.0.sup.2,7 ] dodecane-1,8,4,5-tetracarboxylic acid dianhydride. The novel polyimides are useful as engineering plastics. The novel dianhydrides are useful for the preparation of the polyimides. Other dianhydrides can be mixed with our novel dianhydrides to make novel copolyimides useful as engineering plastics.

REFERENCES:
patent: 3257418 (1966-06-01), Vermont
patent: 3299102 (1967-01-01), Bradshaw
patent: 3413316 (1968-11-01), Bradshaw
patent: 3423431 (1969-01-01), Starr et al.
patent: 3472749 (1969-10-01), Bradshaw
patent: 3503998 (1970-03-01), Schuller et al.
patent: 4360657 (1962-11-01), Nimry et al.

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