Invention Grant
- Patent Title: Compositions of fluorescent whitening agents
- Patent Title (中): 荧光增白剂组合物
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Application No.: US11665886Application Date: 2005-10-17
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Publication No.: US07731820B2Publication Date: 2010-06-08
- Inventor: Robert Cockcroft , Ted Deisenroth , Peter Rohringer , Winfried Steffen
- Applicant: Robert Cockcroft , Ted Deisenroth , Peter Rohringer , Winfried Steffen
- Applicant Address: US NY Tarrytown
- Assignee: Ciba Specialty Chemicals Corporation
- Current Assignee: Ciba Specialty Chemicals Corporation
- Current Assignee Address: US NY Tarrytown
- Agent Shiela A. Loggins
- Priority: EP04105343 20041027
- International Application: PCT/EP2005/055301 WO 20051017
- International Announcement: WO2006/045714 WO 20060504
- Main IPC: D21H21/30
- IPC: D21H21/30 ; D21H17/37 ; D21H17/53
Abstract:
The invention relates to a composition comprising a) at least one water-soluble fluorescent whitening agent, b) a polymer formed from an ethylenically unsaturated monomer or monomer blend, characterized in that at least one monomer is acrylamide and the water-soluble polymer has an average (weight average) molecular weight of between 500 and 49,000, optionally, c) polyethylene glycol with a weight average molecular weight of between 500 and 6000 and d) water and the use of the composition for the fluorescent whitening of paper in coating and size press or film press applications.
Public/Granted literature
- US20080073617A1 Compositions of Fluorescent Whitening Agents Public/Granted day:2008-03-27
Information query
