Title:
実質的に金属イオンを含まない水性ヒドロキシルアミン溶液の製造方法
Document Type and Number:
Japanese Patent JP4285904
Kind Code:
B2
Abstract:
The present invention relates to a process for the preparation of an aqueous hydroxylamine solution which is essentially free of metal ions, wherein the hydroxylamine solution is subjected to at least one treatment with an acidic cation exchanger.
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Inventors:
Watzenberger, Otto
Schneider, Hans-Michael
Schneider, Hans-Michael
Application Number:
JP2000532387A
Publication Date:
June 24, 2009
Filing Date:
February 16, 1999
Export Citation:
Assignee:
BASF SE
International Classes:
C01B21/14; B01J39/04; B01J41/04; B01J45/00; C07C213/00
Domestic Patent References:
| JP49014640B1 | ||||
| JP62216908A | ||||
| JP2001510133A | ||||
| JP2000502035A |
Foreign References:
| US4147623 |
Attorney, Agent or Firm:
Satoshi Eto