Hydrocarbon esters of benzene polycarboxylic acids

Details Hydrocarbon esters of benzene polycarboxylic acids Hydrocarbon esters of benzene polycarboxylic acids

1982-05-05

1983-10-18

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

252 88, 252 89, 260455R, 524323, 528191, 528299, 528302, 528310, 528401, 560 37, 560 89, C07C 69773, C07C15307

Patent

active

044107170

ABSTRACT:
Tetraesters of pyromellitic dianhydride are disclosed wherein two ester moieties are saturated hydrocarbon groups and two ester moieties are halohydroxyalkyl groups. The compounds may be used as diluents for fluorinated pyromellitates that are useful as soil and water repelling agents. Mixtures formed by dissolving the compounds of this invention and known fluorinated pyromellitates in a common solvent are capable of imparting soil and water repelling properties to various fibers that are essentially equivalent to soil and water repelling properties imparted to such fibers by fluorinated pyromellitates alone. Additionally, the hydrocarbon pyromellitates of this invention may be used alone as water repellents.

REFERENCES:
patent: 4209610 (1980-06-01), Mares
patent: 4250300 (1981-02-01), Saegusa et al.
patent: 4290765 (1981-09-01), Sandler
patent: 4321403 (1982-03-01), Oxenrider et al.

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