Condensation catalyst and catalytical condensation process for o

Details Condensation catalyst and catalytical condensation process for o Condensation catalyst and catalytical condensation process for o

1990-05-23

1991-01-01

Raymond, Richard L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C07C 5018

Patent

active

049819828

ABSTRACT:
A condensation reaction catalyst useful for producing an organic compound, for example, anthraquinone compounds from phthalic dianhydride and optionally benzene, comprises a catalytic principal component consisting of a solid acid substance, for example, compound oxides or zeolite, and an additional basic component consisting of ammonia or a volatile organic base, for example, isopropylamine, n-butylamine, or pyridine, and attached to at least strong acid sites of the solid acid substance.

REFERENCES:
patent: 4220597 (1980-09-01), Halcourt et al.
patent: 4379939 (1983-04-01), Kadel et al.
patent: 4510087 (1985-04-01), Hattori et al.
patent: 4521341 (1985-06-01), Krock et al.
patent: 4666632 (1987-05-01), Goliaszewski et al.

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