发明授权
- 专利标题: Polyglycerol production
- 专利标题(中): 聚甘油生产
-
申请号: US656317申请日: 1996-06-12
-
公开(公告)号: US5721305A公开(公告)日: 1998-02-24
- 发明人: Johan Jan W. Eshuis , Johannes Arie M. Laan , Glyn Roberts
- 申请人: Johan Jan W. Eshuis , Johannes Arie M. Laan , Glyn Roberts
- 申请人地址: NLX Gouda
- 专利权人: Unichema Chemie B.V.
- 当前专利权人: Unichema Chemie B.V.
- 当前专利权人地址: NLX Gouda
- 优先权: EPX93310077 19931214
- 主分类号: C07D319/12
- IPC分类号: C07D319/12 ; B01J21/16 ; B01J29/00 ; C07B61/00 ; C07C41/00 ; C07C41/02 ; C07C41/03 ; C07C41/09 ; C07C41/16 ; C07C43/13 ; C07D323/00 ; C07D325/00 ; C08G64/20 ; C08G64/30 ; C08G65/10 ; C08G65/16 ; C08G65/34 ; C08K3/34
摘要:
Glycerol, 2,2-dimethyl-1,3-dioxolane-4-methanol (Solketal), glycidol or glycerol carbonate is polymerized into preponderantly linear oligomers at 150.degree. C. to 350.degree. C. in the presence of anionic clay material, preferably hydrotalcite, as a catalyst.
公开/授权文献
- US5050454A Engine/automatic transmission unified control device 公开/授权日:1991-09-24