TW379213B - The preparation of stilbene-based optical brightners - Google Patents

The preparation of stilbene-based optical brightners Download PDF

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Publication number
TW379213B
TW379213B TW084103904A TW84103904A TW379213B TW 379213 B TW379213 B TW 379213B TW 084103904 A TW084103904 A TW 084103904A TW 84103904 A TW84103904 A TW 84103904A TW 379213 B TW379213 B TW 379213B
Authority
TW
Taiwan
Prior art keywords
water
scope
patent application
reaction
diluent
Prior art date
Application number
TW084103904A
Other languages
English (en)
Chinese (zh)
Inventor
Guenther Seybold
Helmut Schmidt
Gerhard Schaefer
Helmut Reichelt
Manfred Hauptreif
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of TW379213B publication Critical patent/TW379213B/zh

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00Preparation of carboxylic acid nitriles
    • C07C253/30Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
TW084103904A 1994-05-02 1995-04-20 The preparation of stilbene-based optical brightners TW379213B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4415351A DE4415351A1 (de) 1994-05-02 1994-05-02 Verfahren zur Herstellung von optischen Aufhellern auf Stilbenbasis

Publications (1)

Publication Number Publication Date
TW379213B true TW379213B (en) 2000-01-11

Family

ID=6517025

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084103904A TW379213B (en) 1994-05-02 1995-04-20 The preparation of stilbene-based optical brightners

Country Status (5)

Country Link
EP (1) EP0680947B1 (en:Method)
JP (1) JPH07300449A (en:Method)
CN (1) CN1057757C (en:Method)
DE (2) DE4415351A1 (en:Method)
TW (1) TW379213B (en:Method)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112072B (de) * 1959-08-12 1961-08-03 Basf Ag Verfahren zur Herstellung von Verbindungen der 1, 4-Bis-(styryl)-benzolreihe
DE3070041D1 (en) * 1979-12-13 1985-03-07 Ciba Geigy Ag Optical brighteners from bistyryl benzene, process for their preparation and their use
DE3001065A1 (de) * 1980-01-12 1981-07-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von optischen aufhellern

Also Published As

Publication number Publication date
JPH07300449A (ja) 1995-11-14
DE59503489D1 (de) 1998-10-15
DE4415351A1 (de) 1995-11-09
EP0680947B1 (de) 1998-09-09
CN1057757C (zh) 2000-10-25
CN1122799A (zh) 1996-05-22
EP0680947A2 (de) 1995-11-08
EP0680947A3 (en:Method) 1995-11-29

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