发明授权
US4800043A Colorants for ball point pen and ribbon inks derived from pararosaniline
process residue
失效
用于圆珠笔和色带墨水的着色剂衍生自仲磺酰胺工艺残留物
- 专利标题: Colorants for ball point pen and ribbon inks derived from pararosaniline process residue
- 专利标题(中): 用于圆珠笔和色带墨水的着色剂衍生自仲磺酰胺工艺残留物
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申请号: US18299申请日: 1987-02-24
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公开(公告)号: US4800043A公开(公告)日: 1989-01-24
- 发明人: Robert J. Allen , Louis Rolando de Alvare , Floyd G. Spence
- 申请人: Robert J. Allen , Louis Rolando de Alvare , Floyd G. Spence
- 申请人地址: NJ Parsippany
- 专利权人: BASF Corporation
- 当前专利权人: BASF Corporation
- 当前专利权人地址: NJ Parsippany
- 主分类号: C09D11/18
- IPC分类号: C09D11/18 ; C09B11/10 ; C09B29/01 ; C09D11/02
摘要:
Reddish-brown to yellow shade colorants suitable for ribbon and ball point inks are produced from the glassy waste by-product of pararosaniline manufacture.
公开/授权文献
- US5926682A Image forming apparatus 公开/授权日:1999-07-20
信息查询
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