Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1988-06-23
1995-12-05
Stoll, Robert L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C27708
Patent
active
H00015105
ABSTRACT:
A continuous process for forming spheroidal high bulk density nitroguanid crystals from an aqueous solution of nitroguanidine which contains methylcellulose and partially hydrolyzed poly(vinyl alcohol) as crystal habit modifiers. A saturated aqueous solution of nitroguanidine is formed at a temperature T.sub.1 where 70.degree. C..ltoreq.T.sub.1 .ltoreq.100.degree. C. and crystallization occurs at a lower temperature T.sub.2 where 20.degree. C..ltoreq.T.sub.1 -T.sub.2 .ltoreq.50.degree. C.
Collignon Steven L.
Wagaman Kerry L.
Covert John M.
Stoll Robert L.
The United States of America as represented by the Secretary of
Walden Kenneth E.
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