AT268867B - Optical brighteners for paper - Google Patents

Optical brighteners for paper

Info

Publication number
AT268867B
AT268867B AT1134966A AT1134966A AT268867B AT 268867 B AT268867 B AT 268867B AT 1134966 A AT1134966 A AT 1134966A AT 1134966 A AT1134966 A AT 1134966A AT 268867 B AT268867 B AT 268867B
Authority
AT
Austria
Prior art keywords
paper
optical brighteners
brighteners
optical
Prior art date
Application number
AT1134966A
Other languages
German (de)
Original Assignee
Geigy Ag J R
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geigy Ag J R filed Critical Geigy Ag J R
Application granted granted Critical
Publication of AT268867B publication Critical patent/AT268867B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
AT1134966A 1965-12-10 1966-12-09 Optical brighteners for paper AT268867B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1709765A CH455487A (en) 1965-12-10 1965-12-10 Use of bis-s-triazinylamino-stilbene-2,2'-disulfonic acids for the optical brightening of paper

Publications (1)

Publication Number Publication Date
AT268867B true AT268867B (en) 1969-02-25

Family

ID=4422721

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1134966A AT268867B (en) 1965-12-10 1966-12-09 Optical brighteners for paper

Country Status (10)

Country Link
US (1) US3475190A (en)
AT (1) AT268867B (en)
BE (1) BE690943A (en)
CH (1) CH455487A (en)
DE (1) DE1696203A1 (en)
ES (1) ES334353A1 (en)
FR (1) FR1504243A (en)
GB (1) GB1109537A (en)
NL (2) NL6617360A (en)
SE (1) SE319972B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1441109A (en) * 1973-01-23 1976-06-30 Ici Ltd Coating compositions
CH617315B5 (en) * 1973-11-29 1980-05-30 Ciba Geigy Ag
USRE30227E (en) * 1973-11-29 1980-03-11 Ciba-Geigy Corporation Agent for brightening and removing greyness from textiles
DE3502038A1 (en) * 1985-01-23 1986-07-24 Sandoz-Patent-GmbH, 7850 Lörrach AQUEOUS BRIGHTENING DEVICES AND THEIR USE IN THE PAPER LINE
US6030443A (en) * 1999-04-29 2000-02-29 Hercules Incorporated Paper coating composition with improved optical brightener carriers
TWI252270B (en) * 2000-07-20 2006-04-01 Ciba Sc Holding Ag A method for the fluorescent whitening of cotton
US7608166B2 (en) * 2003-09-17 2009-10-27 International Paper Company Papers having borate-based complexing and method of making same
WO2016105416A1 (en) 2014-12-24 2016-06-30 Hewlett-Packard Development Company, L.P. Coated print medium
WO2016105413A1 (en) 2014-12-24 2016-06-30 Hewlett-Packard Development Company, L.P. Coated print medium
US9962984B2 (en) 2014-12-24 2018-05-08 Hewlett-Packard Development Company, L.P. Coated print medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA529326A (en) * 1956-08-21 A. H. Kessels Franciscus Developer for diazotype materials
US2213643A (en) * 1938-10-11 1940-09-03 Vanderbilt Co R T Coated fibrous sheet materials
US2376743A (en) * 1939-12-19 1945-05-22 Wendt Bruno Carbohydrate solutions
GB862851A (en) * 1958-05-31 1961-03-15 Prod Chim Et De Synthese Soc D Bis-triazinylaminostilbene disulphonic acid derivatives

Also Published As

Publication number Publication date
ES334353A1 (en) 1968-02-01
DE1696203A1 (en) 1971-10-28
SE319972B (en) 1970-01-26
CH455487A (en) 1968-07-15
US3475190A (en) 1969-10-28
CH1709765A4 (en) 1968-07-15
NL6617360A (en) 1967-06-12
GB1109537A (en) 1968-04-10
NL136180C (en)
BE690943A (en) 1967-06-09
FR1504243A (en) 1967-12-01

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