| 发明名称 |
mÉtodos de preparaÇço de diaminodifenilmetano e de homàlogos superiores do mesmo, e de poliisocianatos. |
| 摘要 |
A method of preparing diaminodiphenylmethane and higher homologues thereof from aniline and formaldehyde in the presence of heterogeneous solid acid catalysts selected from (a) delaminated zeolites and/or (b) metal silicate catalysts having an ordered mesoporous pore structure. |
| 申请公布号 |
BR0308406(B8) |
申请公布日期 |
2013.02.19 |
| 申请号 |
BR20030308406 |
申请日期 |
2003.03.25 |
| 申请人 |
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发明人 |
PABLO BOTELLA ASUNCION;JORIS KAREL PATER BOSMAN;AVELINO CORMA;CHRISTOPHER JOHN MITCHELL |
| 分类号 |
C07C209/78;C07B61/00;C07C209/68;C07C211/50;C07C263/10;C07C265/14 |
主分类号 |
C07C209/78 |
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