DK0597376T3 - Stabil 3,3-dichlorbenzidin-dihydrochlorid-suspension - Google Patents

Stabil 3,3-dichlorbenzidin-dihydrochlorid-suspension

Info

Publication number
DK0597376T3
DK0597376T3 DK93117816.4T DK93117816T DK0597376T3 DK 0597376 T3 DK0597376 T3 DK 0597376T3 DK 93117816 T DK93117816 T DK 93117816T DK 0597376 T3 DK0597376 T3 DK 0597376T3
Authority
DK
Denmark
Prior art keywords
stable
dichlorobenzidine dihydrochloride
suspension
dihydrochloride suspension
dichlorobenzidine
Prior art date
Application number
DK93117816.4T
Other languages
Danish (da)
English (en)
Inventor
Dieter Steidl
Peter Dopfer
Wolfgang Dr Rer Net Ebertz
Ernst Schutt
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of DK0597376T3 publication Critical patent/DK0597376T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/90—Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DK93117816.4T 1992-11-10 1993-11-03 Stabil 3,3-dichlorbenzidin-dihydrochlorid-suspension DK0597376T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4237816A DE4237816C1 (de) 1992-11-10 1992-11-10 Stabile 3,3'-Dichlorbenzidin-Dihydrochlorid-Suspension

Publications (1)

Publication Number Publication Date
DK0597376T3 true DK0597376T3 (da) 1996-02-19

Family

ID=6472454

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93117816.4T DK0597376T3 (da) 1992-11-10 1993-11-03 Stabil 3,3-dichlorbenzidin-dihydrochlorid-suspension

Country Status (7)

Country Link
US (1) US5417881A (nl)
EP (1) EP0597376B1 (nl)
JP (1) JP3523305B2 (nl)
CA (1) CA2102749A1 (nl)
DE (2) DE4237816C1 (nl)
DK (1) DK0597376T3 (nl)
TW (1) TW268972B (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100354250C (zh) * 2006-06-19 2007-12-12 常州市佳森化工有限公司 分离精制3,3’－二氯联苯胺盐酸盐工艺
CN100368380C (zh) * 2006-06-19 2008-02-13 常州市佳森化工有限公司 制备3,3’-二氯联苯胺盐酸盐工艺
CN103450699B (zh) * 2013-09-13 2015-07-01 杭州福莱蒽特精细化工有限公司 制备分散染料的研磨偶合方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341701A (en) * 1979-11-07 1982-07-27 Ciba-Geigy Corporation Production of pigments
US4559160A (en) * 1984-02-09 1985-12-17 Bofors Nobel, Inc. Highly stable dichlorobenzidine dihydrochloride slurry and a method for preparing such
JPS6442456A (en) * 1987-08-10 1989-02-14 Wakayama Seika Kogyo Kk Production of water slurry of 3,3-dichloro-4,4-diaminobiphenyl having dispersion stability
DE3937320A1 (de) * 1989-11-09 1991-05-16 Hoechst Ag Verfahren zur kontinuierlichen herstellung von 3,3'-dichlor-benzidin-dihydrochlorid

Also Published As

Publication number Publication date
JPH06219996A (ja) 1994-08-09
US5417881A (en) 1995-05-23
DE59300787D1 (de) 1995-11-23
EP0597376A1 (de) 1994-05-18
CA2102749A1 (en) 1994-05-11
DE4237816C1 (de) 1993-10-14
EP0597376B1 (de) 1995-10-18
TW268972B (nl) 1996-01-21
JP3523305B2 (ja) 2004-04-26

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