Title:
【発明の名称】両性蛍光増白剤、それらの水溶液、それらの製造および使用
Document Type and Number:
Japanese Patent JP2003518166
Kind Code:
A
Abstract:
Water soluble, amphoteric optical brighteners (W) comprising at least one brightener-characteristic radical X which contain at least one anionic substituent and covalently linked over at least one tertiary amino group Z to at least one non-chromophoric, essentially aliphatic, polyquaternary ammonium-hydrocarbon radical Y containing more than one quaternary ammonium group and in which each hydrocarbon radical is optionally interrupted by and/or substituted with one or more further heteroatoms, have surprising brightening properties, especially in papermaking, and in the form of their aqueous solutions are of notable stability.
Inventors:
Farah, John Martin
Andrew Clive, Jackson
Andrew Clive, Jackson
Application Number:
JP2001547072A
Publication Date:
June 03, 2003
Filing Date:
December 19, 2000
Export Citation:
Assignee:
Clariant International Limited
International Classes:
C07D251/68; C09B62/04; D06L3/12; C09B57/00; D21H21/30; (IPC1-7): C09B57/00; C09B62/04; D21H21/30
Domestic Patent References:
| JPS5059420A | 1975-05-22 | |||
| JPS57158263A | 1982-09-30 | |||
| JPS5059420A | 1975-05-22 | |||
| JPS57158263A | 1982-09-30 |
Attorney, Agent or Firm:
Takashi Ishida (4 others)