| 发明名称 |
METHOD FOR PREPARING HIGHLY CONCENTRATED, GASEOUS FORMALDEHYDES |
| 摘要 |
PROCESS FOR PREPARING HIGH-CONCENTRATION GASEOUS FORMALDEHYDE HAVING A MOLAR CH2O:H2O RATIO OF >= O.6 FROM AN AQUEOUS FORMALDEHYDE SOLUTION BY EVAPORATION OF AT LEAST PART OF THE SOLUTION, IN WHICH THE AQUEOUS FORMALDEHYDE SOLUTION IS HEATED TO A VAPORIZATION TEMPERATURE T AND THE GAS PHASE FORMED IS TAKEN OFF, WHEREIN THE EVAPORATION TEMPERATURE T OBEYS THE RELATIONSHIP:
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| 申请公布号 |
MY141052(A) |
申请公布日期 |
2010.02.25 |
| 申请号 |
MYPI20040732 |
申请日期 |
2004.03.03 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
DR. ECKHARD STROEFER;DR. NEVEN LANG;DR. ULRICH STEINBRENNER;PROF. DR. HANS HASSE;MICHAEL OTT;THOMAS GRUETZNER |
| 分类号 |
C07C45/78;C07C45/00;C07C45/82;C07C47/058 |
主分类号 |
C07C45/78 |
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