BE810844A - BENZOFURANE DERIVATIVES USED AS OPTICAL BRIGHTENERS - Google Patents
BENZOFURANE DERIVATIVES USED AS OPTICAL BRIGHTENERSInfo
- Publication number
- BE810844A BE810844A BE140751A BE140751A BE810844A BE 810844 A BE810844 A BE 810844A BE 140751 A BE140751 A BE 140751A BE 140751 A BE140751 A BE 140751A BE 810844 A BE810844 A BE 810844A
- Authority
- BE
- Belgium
- Prior art keywords
- optical brighteners
- derivatives used
- benzofurane derivatives
- benzofurane
- brighteners
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D307/85—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Furan Compounds (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH188173A CH593379B5 (en) | 1973-02-09 | 1973-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE810844A true BE810844A (en) | 1974-08-12 |
Family
ID=4220761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE140751A BE810844A (en) | 1973-02-09 | 1974-02-11 | BENZOFURANE DERIVATIVES USED AS OPTICAL BRIGHTENERS |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS49112928A (en) |
| AT (1) | AT332869B (en) |
| BE (1) | BE810844A (en) |
| BR (1) | BR7400946D0 (en) |
| CA (1) | CA1026342A (en) |
| CH (2) | CH593379B5 (en) |
| DE (1) | DE2405063A1 (en) |
| ES (1) | ES422902A1 (en) |
| FR (1) | FR2217338B1 (en) |
| GB (1) | GB1456267A (en) |
| IN (1) | IN140448B (en) |
| IT (1) | IT1007261B (en) |
| NL (1) | NL7401502A (en) |
| SE (1) | SE386899B (en) |
| SU (1) | SU577993A3 (en) |
-
1973
- 1973-02-09 CH CH188173A patent/CH593379B5/xx not_active IP Right Cessation
- 1973-02-09 CH CH188173D patent/CH188173A4/xx unknown
-
1974
- 1974-02-02 DE DE19742405063 patent/DE2405063A1/en not_active Withdrawn
- 1974-02-04 NL NL7401502A patent/NL7401502A/xx not_active Application Discontinuation
- 1974-02-04 ES ES422902A patent/ES422902A1/en not_active Expired
- 1974-02-06 IT IT20238/74A patent/IT1007261B/en active
- 1974-02-06 SE SE7401569A patent/SE386899B/en unknown
- 1974-02-07 AT AT96074*#A patent/AT332869B/en not_active IP Right Cessation
- 1974-02-08 BR BR946/74A patent/BR7400946D0/en unknown
- 1974-02-08 JP JP49015581A patent/JPS49112928A/ja active Pending
- 1974-02-11 FR FR7404454A patent/FR2217338B1/fr not_active Expired
- 1974-02-11 BE BE140751A patent/BE810844A/en unknown
- 1974-02-11 GB GB613674A patent/GB1456267A/en not_active Expired
- 1974-02-11 CA CA192,191A patent/CA1026342A/en not_active Expired
- 1974-02-12 IN IN290/CAL/1974A patent/IN140448B/en unknown
-
1975
- 1975-10-10 SU SU7502179003A patent/SU577993A3/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1007261B (en) | 1976-10-30 |
| ATA96074A (en) | 1976-02-15 |
| CH593379B5 (en) | 1977-11-30 |
| DE2405063A1 (en) | 1974-08-15 |
| JPS49112928A (en) | 1974-10-28 |
| CA1026342A (en) | 1978-02-14 |
| AU6530974A (en) | 1975-08-07 |
| BR7400946D0 (en) | 1974-11-05 |
| SU577993A3 (en) | 1977-10-25 |
| IN140448B (en) | 1976-11-13 |
| FR2217338B1 (en) | 1977-06-10 |
| FR2217338A1 (en) | 1974-09-06 |
| AT332869B (en) | 1976-10-25 |
| GB1456267A (en) | 1976-11-24 |
| CH188173A4 (en) | 1977-03-31 |
| ES422902A1 (en) | 1976-09-16 |
| NL7401502A (en) | 1974-08-13 |
| SE386899B (en) | 1976-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT1003985B (en) | LASER OPTICAL PRINTER | |
| BE819737A (en) | OPTICAL DECORATIVE PIECES | |
| FR2332277A1 (en) | NEW STYRYLIC DERIVATIVES USEFUL AS OPTICAL BRIGHTENERS | |
| BE810853A (en) | BENZOFURANS FOR USE AS OPTICAL BLASTERS | |
| BE810240A (en) | BENZOFURANE DERIVATIVES FOR USE AS OPTICAL BLASTERS | |
| BE780173A (en) | NEW BIS-STILBENE DERIVATIVES THAT CAN BE USED AS OPTICAL BRIGHTENERS | |
| SE386987B (en) | OPTICAL SYSTEM | |
| BE824884A (en) | NEW COUMARINE DERIVATIVES USABLE AS OPTICAL BRIGHTENERS | |
| BE842939A (en) | DERIVATIVES OF 1,4-BIS-BENZOXAZOLYL-NAPHTHALENE USABLE AS OPTICAL BLASTERS | |
| BE813807A (en) | PYRIDINECARBOXAMIDE-SULPHONYLURIDES USEFUL AS HYPOGLYCEMATING AGENTS | |
| BE809708A (en) | APPLICATION OF BUTADIENE DERIVATIVES AS OPTICAL BLASTERS | |
| BE773316A (en) | STILBENE DERIVATIVES USABLE AS OPTICAL BRIGHTENERS | |
| BE810844A (en) | BENZOFURANE DERIVATIVES USED AS OPTICAL BRIGHTENERS | |
| NL7506559A (en) | OPTICAL BRIGHTENERS. | |
| BE779039A (en) | BENZOFURANE DERIVATIVES USED AS OPTICAL BRIGHTENERS | |
| AT323440B (en) | PANRATIC LENS | |
| BE815654A (en) | OPTICAL COPIER | |
| BE787575A (en) | BENZOFURANNE DERIVATIVES FOR USE AS OPTICAL BLASTERS | |
| AR201213A1 (en) | PIRAZOLA DERIVATIVES APPLICABLE AS OPTICAL WHITENING AGENTS | |
| BE820559A (en) | NEW DISTYRYL-BENZOBISOXAZOLIC OPTICAL BRIGHTENERS | |
| AT351286B (en) | MICROSCOPE LENS | |
| BE839251A (en) | BENZOFURANE DERIVATIVES FOR USE AS OPTICAL BLASTERS | |
| IT1035078B (en) | PRODUCTION FOR THE PRODUCTION OF THE PANTOLACTONE OPTICAL ANTIOPODS | |
| BE773314A (en) | NEW TRIAZOLIC DERIVATIVES THAT CAN BE USED AS OPTICAL BRIGHTENERS | |
| BR7402614D0 (en) | OPTICAL PROJECTOR |