发明名称 |
Manufacture of concentrated aqueous solutions of formaldehyde |
摘要 |
Formaldehyde is manufactured by oxidative dehydrogenation of methanol in the presence of a silver catalyst and of certain amounts of steam and formaldehyde, some formaldehyde and a part of the water being withdrawn from the reaction mixture and recycled. The formaldehyde manufactured by the process may be used as a disinfectant, tanning agent, reducing agent and starting material for the manufacture of synthetic resin, adhesives and plastics.
|
申请公布号 |
US4119673(A) |
申请公布日期 |
1978.10.10 |
申请号 |
US19750613925 |
申请日期 |
1975.09.16 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
AICHER, ALBRECHT;HAAS, HANS;DIEM, HANS;DUDECK, CHRISTIAN;BRUNNMUELLER, FRITZ;LEHMANN, GUNTER |
分类号 |
C07B61/00;C07C45/00;C07C45/38;C07C45/78;C07C47/055;C07C47/058;C07C67/00;(IPC1-7):C07C45/16 |
主分类号 |
C07B61/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|