NL285926A - - Google Patents

Info

Publication number
NL285926A
NL285926A NL285926DA NL285926A NL 285926 A NL285926 A NL 285926A NL 285926D A NL285926D A NL 285926DA NL 285926 A NL285926 A NL 285926A
Authority
NL
Netherlands
Application number
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.)
Publication of NL285926A publication Critical patent/NL285926A/xx

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
NL285926D 1961-12-15 NL285926A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US159791A US3132106A (en) 1961-12-15 1961-12-15 Brightener composition for paper derived from metanilic and sulfanilic acids

Publications (1)

Publication Number Publication Date
NL285926A true NL285926A (enrdf_load_stackoverflow)

Family

ID=22574034

Family Applications (1)

Application Number Title Priority Date Filing Date
NL285926D NL285926A (enrdf_load_stackoverflow) 1961-12-15

Country Status (2)

Country Link
US (1) US3132106A (enrdf_load_stackoverflow)
NL (1) NL285926A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366575A (en) * 1964-03-13 1968-01-30 Nippon Kayaku Kk Enhancement of optical brightening effects by using two or more species of brightening agent
US3533957A (en) * 1964-05-27 1970-10-13 Geigy Chem Corp Pyrazoline optical brighteners
CA2459235C (en) * 2001-09-03 2009-11-10 Basf Aktiengesellschaft Method for increasing the whiteness of paper by means of cationic polyelectrolytes
US7270771B2 (en) 2002-07-05 2007-09-18 Ciba Specialty Chemicals Corporation Triazinylaminostilbene disulphonic acid mixtures
IT1395341B1 (it) * 2009-04-10 2012-09-14 3V Sigma Spa Composizioni per la patinatura della carta

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551712A (enrdf_load_stackoverflow) * 1955-10-12
US2924549A (en) * 1955-12-15 1960-02-09 Bayer Ag Paper containing an organic fluorescent dye
US3012971A (en) * 1959-04-07 1961-12-12 Du Pont Whitening composition for paper
US3025242A (en) * 1961-03-20 1962-03-13 Du Pont Whitening agent composition and process for its manufacture

Also Published As

Publication number Publication date
US3132106A (en) 1964-05-05

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