GB1318975A - Coumarin derivatives and their use as optical brighteners - Google Patents
Coumarin derivatives and their use as optical brightenersInfo
- Publication number
- GB1318975A GB1318975A GB4430870A GB4430870A GB1318975A GB 1318975 A GB1318975 A GB 1318975A GB 4430870 A GB4430870 A GB 4430870A GB 4430870 A GB4430870 A GB 4430870A GB 1318975 A GB1318975 A GB 1318975A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formula
- coumarin
- acid
- sept
- sulphur
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1408869A CH551525A (es) | 1969-09-17 | 1969-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1318975A true GB1318975A (en) | 1973-05-31 |
Family
ID=4397857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4430870A Expired GB1318975A (en) | 1969-09-17 | 1970-09-16 | Coumarin derivatives and their use as optical brighteners |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4817722B1 (es) |
CA (1) | CA934759A (es) |
CH (2) | CH551525A (es) |
DE (1) | DE2045795A1 (es) |
ES (1) | ES383682A1 (es) |
FR (1) | FR2062197A5 (es) |
GB (1) | GB1318975A (es) |
NL (1) | NL7013694A (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021304A1 (de) * | 1979-06-25 | 1981-01-07 | Bayer Ag | Cumarinverbindungen sowie deren Herstellung und Verwendung als Farbstoffe |
-
1969
- 1969-09-17 CH CH1408869A patent/CH551525A/xx unknown
- 1969-09-17 CH CH1408869D patent/CH1408869A4/xx unknown
-
1970
- 1970-09-16 ES ES383682A patent/ES383682A1/es not_active Expired
- 1970-09-16 FR FR7033566A patent/FR2062197A5/fr not_active Expired
- 1970-09-16 CA CA093241A patent/CA934759A/en not_active Expired
- 1970-09-16 NL NL7013694A patent/NL7013694A/xx unknown
- 1970-09-16 JP JP45080887A patent/JPS4817722B1/ja active Pending
- 1970-09-16 DE DE19702045795 patent/DE2045795A1/de active Pending
- 1970-09-16 GB GB4430870A patent/GB1318975A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021304A1 (de) * | 1979-06-25 | 1981-01-07 | Bayer Ag | Cumarinverbindungen sowie deren Herstellung und Verwendung als Farbstoffe |
Also Published As
Publication number | Publication date |
---|---|
CA934759A (en) | 1973-10-02 |
ES383682A1 (es) | 1973-03-01 |
DE2045795A1 (de) | 1971-04-01 |
FR2062197A5 (es) | 1971-06-25 |
CH1408869A4 (es) | 1974-01-31 |
JPS4817722B1 (es) | 1973-05-31 |
NL7013694A (es) | 1971-03-19 |
CH551525A (es) | 1974-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |