发明授权
- 专利标题: Non-dusting, readily free-flowing granules of optical brighteners
- 专利标题(中): 无粉尘,容易自由流动的荧光增白剂颗粒
-
申请号: US505282申请日: 1974-09-12
-
公开(公告)号: US4058480A公开(公告)日: 1977-11-15
- 发明人: Frank Lohmann , Raymond Lugrin , Hanspeter Baumann
- 申请人: Frank Lohmann , Raymond Lugrin , Hanspeter Baumann
- 申请人地址: NY Ardsley
- 专利权人: Ciba-Geigy Corporation
- 当前专利权人: Ciba-Geigy Corporation
- 当前专利权人地址: NY Ardsley
- 优先权: CH13275/73 19730914
- 主分类号: C09B67/42
- IPC分类号: C09B67/42 ; C09B67/00 ; C11D3/42 ; D06L3/12 ; C09K11/00
摘要:
New non-dusting, free-flowing readily water-soluble or water-dispersible granules of optical brighteners, and a process for their production are provided.