GB1318215A - Coumarin derivatives and their use as optical brighteners - Google Patents
Coumarin derivatives and their use as optical brightenersInfo
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1408969A CH550884A (es) | 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 (es) |
CH (2) | CH550884A (es) |
DE (1) | DE2045796A1 (es) |
ES (1) | ES383683A1 (es) |
FR (1) | FR2062198A5 (es) |
GB (1) | GB1318215A (es) |
NL (1) | NL7013697A (es) |
-
1969
- 1969-09-17 CH CH1408969A patent/CH550884A/xx unknown
- 1969-09-17 CH CH1408969D patent/CH1408969A4/xx unknown
-
1970
- 1970-09-16 FR FR7033567A patent/FR2062198A5/fr not_active Expired
- 1970-09-16 DE DE19702045796 patent/DE2045796A1/de not_active Withdrawn
- 1970-09-16 GB GB4430770A patent/GB1318215A/en not_active Expired
- 1970-09-16 ES ES383683A patent/ES383683A1/es not_active Expired
- 1970-09-16 CA CA093242A patent/CA934760A/en not_active Expired
- 1970-09-16 NL NL7013697A patent/NL7013697A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2062198A5 (es) | 1971-06-25 |
NL7013697A (es) | 1971-03-19 |
CH1408969A4 (es) | 1974-01-31 |
DE2045796A1 (de) | 1971-04-01 |
ES383683A1 (es) | 1973-03-01 |
CH550884A (es) | 1974-06-28 |
CA934760A (en) | 1973-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |