GB1318215A - Coumarin derivatives and their use as optical brighteners - Google Patents

Coumarin derivatives and their use as optical brighteners

Info

Publication number
GB1318215A
GB1318215A GB4430770A GB4430770A GB1318215A GB 1318215 A GB1318215 A GB 1318215A GB 4430770 A GB4430770 A GB 4430770A GB 4430770 A GB4430770 A GB 4430770A GB 1318215 A GB1318215 A GB 1318215A
Authority
GB
United Kingdom
Prior art keywords
formula
acid
coumarin
alkyl
sept
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
GB4430770A
Other languages
English (en)
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1318215A publication Critical patent/GB1318215A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
GB4430770A 1969-09-17 1970-09-16 Coumarin derivatives and their use as optical brighteners Expired GB1318215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1408969A CH550884A (enrdf_load_stackoverflow) 1969-09-17 1969-09-17

Publications (1)

Publication Number Publication Date
GB1318215A true GB1318215A (en) 1973-05-23

Family

ID=4397868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4430770A Expired GB1318215A (en) 1969-09-17 1970-09-16 Coumarin derivatives and their use as optical brighteners

Country Status (7)

Country Link
CA (1) CA934760A (enrdf_load_stackoverflow)
CH (2) CH550884A (enrdf_load_stackoverflow)
DE (1) DE2045796A1 (enrdf_load_stackoverflow)
ES (1) ES383683A1 (enrdf_load_stackoverflow)
FR (1) FR2062198A5 (enrdf_load_stackoverflow)
GB (1) GB1318215A (enrdf_load_stackoverflow)
NL (1) NL7013697A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL7013697A (enrdf_load_stackoverflow) 1971-03-19
ES383683A1 (es) 1973-03-01
DE2045796A1 (de) 1971-04-01
CH1408969A4 (enrdf_load_stackoverflow) 1974-01-31
CH550884A (enrdf_load_stackoverflow) 1974-06-28
CA934760A (en) 1973-10-02
FR2062198A5 (enrdf_load_stackoverflow) 1971-06-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees