发明授权
- 专利标题: Manufacture of butanedicarboxylic acid esters
- 专利标题(中): 丁二羧酸酯的制造
-
申请号: US694679申请日: 1985-01-24
-
公开(公告)号: US4618702A公开(公告)日: 1986-10-21
- 发明人: Michael B. D'Amore , Roger R. Ellefson
- 申请人: Michael B. D'Amore , Roger R. Ellefson
- 申请人地址: DE Wilmington
- 专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: C07B61/00
- IPC分类号: C07B61/00 ; B01J31/00 ; C07C67/38 ; C07C69/44
摘要:
Increased catalyst concentration relative to butadiene in its carboalkoxylation permits operation at reduced pressure and simplifies process steps.
公开/授权文献
- US5634780A Hand pump of a drinking device for pumping water to a diver 公开/授权日:1997-06-03
信息查询