Invention Grant
- Patent Title: Process for surface colouration of paper
- Patent Title (中): 纸张表面着色的工艺
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Application No.: US12084340Application Date: 2006-11-01
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Publication No.: US08012221B2Publication Date: 2011-09-06
- Inventor: Charles Hunger , Michael Lennartz
- Applicant: Charles Hunger , Michael Lennartz
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Drinker Biddle & Reath
- Priority: EP05110636 20051111
- International Application: PCT/EP2006/068007 WO 20061101
- International Announcement: WO2007/054452 WO 20070518
- Main IPC: C09B67/00
- IPC: C09B67/00 ; C09B62/00 ; D06P1/00 ; B05D3/12 ; B05D3/02 ; C08L89/00 ; C08L93/00 ; C08L3/00 ; C09D189/00 ; C09D193/00 ; C09D103/00 ; C09J189/00 ; C09J193/00 ; C09J103/00

Abstract:
The invention relates to a process for the surface coloration of paper characterized in that, in a first step, the paper surface is treated with a water soluble dye and, subsequently, in a second step, the paper surface is treated with a fixing agent.
Public/Granted literature
- US20090133201A1 Process for Surface Colouration of Paper Public/Granted day:2009-05-28
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