CN1057757C - 基于1,2-二苯乙烯的光学增亮剂的制备 - Google Patents

基于1,2-二苯乙烯的光学增亮剂的制备 Download PDF

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Publication number
CN1057757C
CN1057757C CN95106518A CN95106518A CN1057757C CN 1057757 C CN1057757 C CN 1057757C CN 95106518 A CN95106518 A CN 95106518A CN 95106518 A CN95106518 A CN 95106518A CN 1057757 C CN1057757 C CN 1057757C
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CN
China
Prior art keywords
water
phase
formula
thinner
transfer catalyst
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Expired - Fee Related
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CN95106518A
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English (en)
Chinese (zh)
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CN1122799A (zh
Inventor
G·塞波尔德
H·施密特
G·舍弗
H·莱赫尔特
M·豪特赖夫
P·拉茨
P·迪拉维埃
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BASF SE
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BASF SE
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    • 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)
CN95106518A 1994-05-02 1995-05-02 基于1,2-二苯乙烯的光学增亮剂的制备 Expired - Fee Related CN1057757C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4415351.1 1994-05-02
DE4415351A DE4415351A1 (de) 1994-05-02 1994-05-02 Verfahren zur Herstellung von optischen Aufhellern auf Stilbenbasis

Publications (2)

Publication Number Publication Date
CN1122799A CN1122799A (zh) 1996-05-22
CN1057757C true CN1057757C (zh) 2000-10-25

Family

ID=6517025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95106518A Expired - Fee Related CN1057757C (zh) 1994-05-02 1995-05-02 基于1,2-二苯乙烯的光学增亮剂的制备

Country Status (5)

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380514A (en) * 1980-01-12 1983-04-19 Basf Aktiengesellschaft Preparation of optical brighteners
US4778623A (en) * 1979-12-13 1988-10-18 Ciba-Geigy Corporation Fluorescent brighteners consisting of bis-styrylbenzene compounds, a process for their preparation and their use

Family Cites Families (1)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4778623A (en) * 1979-12-13 1988-10-18 Ciba-Geigy Corporation Fluorescent brighteners consisting of bis-styrylbenzene compounds, a process for their preparation and their use
US4380514A (en) * 1980-01-12 1983-04-19 Basf Aktiengesellschaft Preparation of optical brighteners

Also Published As

Publication number Publication date
DE4415351A1 (de) 1995-11-09
DE59503489D1 (de) 1998-10-15
EP0680947A2 (de) 1995-11-08
EP0680947B1 (de) 1998-09-09
TW379213B (en) 2000-01-11
CN1122799A (zh) 1996-05-22
JPH07300449A (ja) 1995-11-14
EP0680947A3 (2) 1995-11-29

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee