GB993055A - Improvements in or relating to optical whitening agents - Google Patents

Improvements in or relating to optical whitening agents

Info

Publication number
GB993055A
GB993055A GB3281460A GB3281460A GB993055A GB 993055 A GB993055 A GB 993055A GB 3281460 A GB3281460 A GB 3281460A GB 3281460 A GB3281460 A GB 3281460A GB 993055 A GB993055 A GB 993055A
Authority
GB
United Kingdom
Prior art keywords
phenyl
pyrazoline
chlorophenyl
compound
sulphonyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3281460A
Other languages
English (en)
Inventor
Asim Kumar Sarker
Dennis Arthur William Adams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hickson and Welch Ltd
Original Assignee
Hickson and Welch Ltd
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 Hickson and Welch Ltd filed Critical Hickson and Welch Ltd
Priority to GB3281460A priority Critical patent/GB993055A/en
Priority to CH1211961A priority patent/CH405326A/de
Priority to BE609589A priority patent/BE609589A/fr
Priority to DE1961H0043990 priority patent/DE1237124B/de
Publication of GB993055A publication Critical patent/GB993055A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB3281460A 1960-10-28 1960-10-28 Improvements in or relating to optical whitening agents Expired GB993055A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB3281460A GB993055A (en) 1960-10-28 1960-10-28 Improvements in or relating to optical whitening agents
CH1211961A CH405326A (de) 1960-10-28 1961-10-20 Verfahren zur Herstellung von 1,3-Diaryl-pyrazolinen
BE609589A BE609589A (fr) 1960-10-28 1961-10-25 Perfectionnements aux agents d'azurage optique
DE1961H0043990 DE1237124B (de) 1960-10-28 1961-10-27 Verfahren zur Herstellung von als optische Aufheller verwendbaren 1, 3-Diphenylpyrazolin-derivaten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3281460A GB993055A (en) 1960-10-28 1960-10-28 Improvements in or relating to optical whitening agents

Publications (1)

Publication Number Publication Date
GB993055A true GB993055A (en) 1965-05-26

Family

ID=10344402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3281460A Expired GB993055A (en) 1960-10-28 1960-10-28 Improvements in or relating to optical whitening agents

Country Status (4)

Country Link
BE (1) BE609589A (fr)
CH (1) CH405326A (fr)
DE (1) DE1237124B (fr)
GB (1) GB993055A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7300474B2 (en) 2002-02-28 2007-11-27 Clariant Produkte (Deutschland) Gmbh Aqueous liquid formulations of pyrazoline brighteners

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1419329B1 (de) * 1962-04-21 1970-01-15 Hoechst Ag 1,3-Diaryl-delta-pyrazolinverbindungen und ihre Verwendung als Aufhellungsmittel
DE1469222B1 (de) * 1964-09-25 1972-03-09 Hoechst Ag Pyrazolinderivate sowie ihre Herstellung und Verwendung
US4045169A (en) * 1971-09-09 1977-08-30 Hoechst Aktiengesellschaft 3-[3',4'-Dichloro-6'-alkyl-phenyl]-Δ 2-pyrazoline derivatives and their use as optical brighteners
DE2560051C3 (de) * 1975-07-31 1981-07-23 Basf Ag, 6700 Ludwigshafen Pyrazolinverbindungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE919411C (de) * 1950-06-03 1954-10-21 Ilford Ltd Verfahren zur Herstellung von arylsubstituierten Pyrazolinverbindungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7300474B2 (en) 2002-02-28 2007-11-27 Clariant Produkte (Deutschland) Gmbh Aqueous liquid formulations of pyrazoline brighteners

Also Published As

Publication number Publication date
CH405326A (de) 1966-01-15
DE1237124B (de) 1967-03-23
BE609589A (fr) 1962-04-15

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