Dicalcium phosphate dihydrate having improved monofluorophosphat

Details Dicalcium phosphate dihydrate having improved monofluorophosphat Dicalcium phosphate dihydrate having improved monofluorophosphat

1979-12-26

1982-01-26

Vertiz, O. R.

Chemistry of inorganic compounds

With additive

Including anticaking or antihygroscopic function

423308, 423309, 424 57, C01B 2532

Patent

active

043128432

ABSTRACT:
Dicalcium phosphate dihydrate compositions having improved monofluorophosphate compatibility are prepared by adding pyrophosphoric acid to the dicalcium phosphate reactor, terminating the reaction by which the dicalcium phosphate is formed at a pH ranging from 4.9 to 5.5 and blending the final product with a stabilizing agent.

REFERENCES:
patent: 2018410 (1935-10-01), McDonald et al.
patent: 2036760 (1936-04-01), Knox, Jr.
patent: 2287699 (1942-06-01), Moss et al.
patent: 3012852 (1961-12-01), Nelson
patent: 3294486 (1966-12-01), Cremer et al.
patent: 4193973 (1980-03-01), Jarvis et al.
patent: 4244931 (1981-01-01), Jarvis et al.
patent: 4247526 (1981-01-01), Jarvis et al.
Sienko et al., Chemistry, Second Edition, McGraw-Hill Book Company, Inc. (1961), p. 507.

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