Stabilized azulmic acids, processes for their preparation and th

Details Stabilized azulmic acids, processes for their preparation and th Stabilized azulmic acids, processes for their preparation and th

1979-02-12

1981-02-24

Bashore, S. Leon

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528362, 71 27, C08F 828

Patent

active

042529190

ABSTRACT:
Azulmic acids, stabilized by condensation with carbonyl compounds, said modified azulmic acids containing from 0.5 to 55 percent by weight of ionic groups of the formula ##STR1## in which R represents hydrogen, ammonium, one equivalent of a protonated or quaternized organic nitrogen base or of a sulphonium cation or one equivalent of a metal cation,
and containing from 0.5 to 15 percent by weight of groups formed by decarboxylation reaction of the formula ##STR2## and acid addition salts and complex compounds of these stabilized azulmic acids, and also mixed products of these stabilized azulmic acids with additives can be used as agrochemicals. The products are particularly useful as fertilizers and as soil improving agents.

REFERENCES:
patent: 1464802 (1923-08-01), Bohart
patent: 1464803 (1923-08-01), Bohart
patent: 2855365 (1958-10-01), Burleson
patent: 3160594 (1964-12-01), Herzog
Volker, Angew Chem., 72, No. 11, 1960, pp. 379-384.
Hackh's Chemical Dictionary, McGraw Hill, New York, 1944, pp. 92, 246.
Encyclopedia of Polymer Science & Technology, vol. 7, John Wiley & Sons, N.Y., 1967, pp. 568-573.

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