Stabilized preparations of aromatic isocyanato sulphonic acids

Details Stabilized preparations of aromatic isocyanato sulphonic acids Stabilized preparations of aromatic isocyanato sulphonic acids

1977-08-19

1979-03-06

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453AR, C07C119048

Patent

active

041430620

ABSTRACT:
The present invention is concerned with a method of imparting storage stability to aromatic isocyanato sulphonic acids and to the stabilized mixtures so prepared. The aromatic isocyanates are combined with liquids which are non-polar, inert non-solvents having boiling points above 90.degree. C. either before or after they are sulphonated to prepare the acids. The stabilized mixtures contain between about 80 to 10 wt. % of the inert liquids and about 20 to 80 wt. % of the acids.

REFERENCES:
patent: 3826769 (1974-07-01), Carlson
patent: 3959329 (1976-05-01), Dieterich et al.

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