Invention Grant
US4427411A Use of 1:2 chromium or cobalt complex dyes for dyeing leather or furs
失效
使用1：2铬或钴复合染料染色皮革或毛皮
- Patent Title: Use of 1:2 chromium or cobalt complex dyes for dyeing leather or furs
- Patent Title (中): 使用1：2铬或钴复合染料染色皮革或毛皮
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Application No.: US360032Application Date: 1982-03-19
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Publication No.: US4427411APublication Date: 1984-01-24
- Inventor: Alois Puntener
- Applicant: Alois Puntener
- Applicant Address: NY Ardsley
- Assignee: Ciba-Geigy Corporation
- Current Assignee: Ciba-Geigy Corporation
- Current Assignee Address: NY Ardsley
- Priority: CHX1951/81 19810323
- Main IPC: C09B45/14
- IPC: C09B45/14 ; D06P3/30 ; D06P3/32 ; D06P1/10
Abstract:
The dyes of the formula I indicated in patent claim 1 are suitable for dyeing furs and especially leather.They are preferably used as a mixture with a red dye and a yellow dye for dyeing leather by the trichromatic process.
Public/Granted literature
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