Suppression of dust from solid aromatic anhydrides

Details Suppression of dust from solid aromatic anhydrides Suppression of dust from solid aromatic anhydrides

1991-07-19

1993-08-10

Page, Thurman K.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549239, 549241, 549242, 549245, 549247, 549249, 549250, C07D27722

Patent

active

052350703

ABSTRACT:
A method for reducing the formation of dust produced by solid aromatic anhydrides, and aromatic anhydride compositions that have a reduced tendency to emit aromatic anhydride dust, are disclosed. The method comprises treating the aromatic anhydride with low levels of suitable organic compounds.

REFERENCES:
patent: 3915637 (1975-10-01), Taylor
patent: 4208433 (1980-06-01), Barham, Jr. et al.
patent: 4490511 (1984-12-01), Li et al.
JP abstract 80037521 (1980).
JP abstract 56059701 (1981).

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