Aminoguanidine bicarbonate with particular properties and...

Details Aminoguanidine bicarbonate with particular properties and... Aminoguanidine bicarbonate with particular properties and...

2005-04-26

2005-04-26

Puttlitz, Karl J. (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C252S006000

Reexamination Certificate

active

06884912

ABSTRACT:
The invention concerns a method for making aminoguanidine bicarbonate from an aqueous solution of cyanamide and an aqueous solution of hydrazine in the presence of CO2. The invention is characterised in that it consists in proceeding with an amount of cyamide slightly higher than the stoichiometric quantity. The invention also concerns quasi-spherical agglomerates of aminoguanidine bicarbonate crystals.

REFERENCES:
patent: 249 009 (1987-08-01), None
patent: 981 314 (1982-12-01), None

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