C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 227/08 (2006.01) C07C 227/40 (2006.01) C07C 227/44 (2006.01) C11D 3/33 (2006.01) C07C 229/24 (2006.01)
Patent
CA 2500874
The present invention relates to a process for the preparation of storage- stable iminodisuccinate solutions, by subjecting an aqueous solution of iminodisuccinate having an ammonia content of less than 20 ppm to thermal treatment at 40 to 120°C for 5 hours up to 300 days and subsequent distillation at <120°C.
Feller Rolf
Mitschker Alfred
Moritz Ralf Johann
Schmidt Holger
Wagner Paul
Fetherstonhaugh & Co.
Lanxess Deutschland Gmbh
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