发明授权
- 专利标题: Optical brighteners
- 专利标题(中): 荧光增白剂
-
申请号: US431045申请日: 1974-01-07
-
公开(公告)号: US4001130A公开(公告)日: 1977-01-04
- 发明人: Erich Schinzel , Wilfried Sahm , Gunter Rosch
- 申请人: Erich Schinzel , Wilfried Sahm , Gunter Rosch
- 申请人地址: DT Frankfurt am Main
- 专利权人: Hoechst Aktiengesellschaft
- 当前专利权人: Hoechst Aktiengesellschaft
- 当前专利权人地址: DT Frankfurt am Main
- 优先权: DT2301438 19730112
- 主分类号: C07C1/32
- IPC分类号: C07C1/32 ; C07C15/50 ; C07D263/56 ; C07D333/08 ; C07D333/16 ; C07D333/24 ; C07F9/40 ; C07F9/653 ; C09B57/00 ; C11D3/42
摘要:
1,3-Butadienes which are substituted at both terminal carbon atoms with phenyl, naphthyl, theinyl or furyl groups or one benzoxazolyl group are useful as optical brighteners for detergents. The butadienes, some of which are known, can be obtained by HORNER syntheses.
公开/授权文献
- US5537505A Transparent glass-ceramics 公开/授权日:1996-07-16
信息查询