Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2005-03-15
2005-03-15
Price, Elvis O. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S841000, C568S844000, C568S845000
Reexamination Certificate
active
06867336
ABSTRACT:
In a process for the continuous preparation of 2-bromo-2-nitro-1,3-propanediol, nitromethane is firstly reacted with formaldehyde and alkali metal hydroxide and the reaction mixture obtained in this way is subsequently reacted with bromine.
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patent: 3658921 (1972-04-01), Wessendorf
patent: 3711561 (1973-01-01), Wessendorf
patent: 5001285 (1991-03-01), Wuest et al.
patent: 5041691 (1991-08-01), Wuest et al.
Rec. Tra. Chim. Pays Bas, Den Otter, vol. 57, 1938, 13-24.
Bogenstätter Thomas
Huff Jürgen
Scherr Günter
BASF - Aktiengesellschaft
Keil & Weinkauf
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