Fluorinated and non-fluorinated terminally halogenated alkyl pyr

Details Fluorinated and non-fluorinated terminally halogenated alkyl pyr Fluorinated and non-fluorinated terminally halogenated alkyl pyr

1982-09-30

1985-08-27

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

81156, 252 86, 252 87, 252 875, 252 88, 4273934, 524219, 524239, 524240, 524282, 524283, 524287, 524294, 560 37, 560 38, 560 41, 560 87, C07C15307, C07C 6976, C07C10120, C07C10124, C07C10126

Patent

active

045377286

ABSTRACT:
Novel polycarboxy benzene dianhydrides useful as surfactants are disclosed. The novel compounds of this invention are pyromellitate tetraesters wherein two ester moieties characteristically contain fluorinated alkyl groups or saturated hydrocarbon alkyl groups and wherein two ester moieties contain alkylene moieties having a terminal halogen.

REFERENCES:
patent: 3870748 (1975-03-01), Katsushima et al.
patent: 4190545 (1980-02-01), Marshall et al.
patent: 4192754 (1980-03-01), Marshall et al.
patent: 4209610 (1980-06-01), Mares et al.
patent: 4329489 (1982-05-01), Saunders et al.

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