Fluorinated and non-fluorinated siloxy pyromellitates

Details Fluorinated and non-fluorinated siloxy pyromellitates Fluorinated and non-fluorinated siloxy pyromellitates

1982-09-30

1984-05-08

Shaver, Paul F.

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

Organic compounds

Silicon containing

556429, 556440, 428375, C07F 708, C07F 710, C07F 718

Patent

active

044476299

ABSTRACT:
Pyromellitate tetraesters are disclosed that are useful as water repellents. The pyromellitates of this invention characteristically contain two ester moieties wherein said ester moieties contain a fluorinated or saturated hydrocarbon alkyl group. Additionally, pyromellitates of this invention contain two ester moieties which contain siloxyl groups.

REFERENCES:
patent: 2802853 (1957-08-01), George
patent: 3179622 (1965-04-01), Haluska
patent: 3288754 (1966-11-01), Green
patent: 3458554 (1969-07-01), Haluska
patent: 3922436 (1975-11-01), Bell et al.
patent: 4192754 (1980-03-01), Marshall et al.
patent: 4209610 (1980-06-01), Mares et al.

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