Acid chloride of pyromellitic anhydride

Details Acid chloride of pyromellitic anhydride Acid chloride of pyromellitic anhydride

1982-09-30

1984-07-17

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

252 86, 252 88, 266455R, 266544N, 560 76, 560 87, C07C 69773, C07C 5772, C07C15307

Patent

active

044607857

ABSTRACT:
Pyromellitate diester-diacid chlorides are disclosed that are useful as intermediates in the synthesis of a variety of soil and water repelling compounds. The pyromellitates of this invention characteristically contain two ester moieties wherein said ester moieties contain a fluorinated or saturated hydrocarbon alkyl moiety. The pyromellitates additionally contain two acid chloride moieties which are capable of reacting with various compounds to produce various products useful as surfactants.

REFERENCES:
patent: 4209610 (1980-06-01), Mares et al.
patent: 4252982 (1981-02-01), Oxenrider
patent: 4329489 (1982-05-01), Saunders et al.

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