BE498447A - - Google Patents
Info
- Publication number
- BE498447A BE498447A BE498447DA BE498447A BE 498447 A BE498447 A BE 498447A BE 498447D A BE498447D A BE 498447DA BE 498447 A BE498447 A BE 498447A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/04—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/614—Optical bleaching or brightening in aqueous solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Detergent Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH689708X | 1949-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE498447A true BE498447A (it) |
Family
ID=4529135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE498447D BE498447A (it) | 1949-10-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2776909A (it) |
| BE (1) | BE498447A (it) |
| CH (1) | CH277956A (it) |
| DE (1) | DE904646C (it) |
| FR (1) | FR1025467A (it) |
| GB (1) | GB689708A (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878138A (en) * | 1955-09-28 | 1959-03-17 | Bayer Ag | Method of brightening material |
| US2998326A (en) * | 1956-04-04 | 1961-08-29 | Nat Starch Products Inc | Cleaning and sizing of fabrics |
| DE1275983B (de) * | 1956-08-30 | 1968-08-29 | Basf Ag | Optische Aufheller |
| DE1205941B (de) * | 1959-01-16 | 1965-12-02 | Bayer Ag | Optische Aufhellungsmittel |
| US4028550A (en) * | 1975-12-22 | 1977-06-07 | E. I. Du Pont De Nemours And Company | X-ray screens |
| CH648789A5 (de) * | 1980-10-03 | 1985-04-15 | Schweizerische Seidengaze | Verfahren zur verkuerzung der belichtungszeit bei der photochemischen musteruebertragung auf lichtempfindliche schichten. |
| EP0091261B1 (en) * | 1982-04-02 | 1986-09-24 | Hollygrange Limited | Dry cleaning process |
| WO2002050364A1 (en) * | 2000-12-20 | 2002-06-27 | Unilever N.V. | Fabric cleaning system |
| AU2002220695A1 (en) * | 2000-12-20 | 2002-07-01 | Kevelam, Jan | Fabric cleaning system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2180508A (en) * | 1934-06-20 | 1939-11-21 | Fraine De | Method and material for marking laundered articles |
| US2341009A (en) * | 1936-03-19 | 1944-02-08 | Richards Chemical Works | Method of improving brightness of fibrous materials |
| US2247259A (en) * | 1939-03-28 | 1941-06-24 | Foster D Snell Inc | Method and composition for marking articles |
| US2333329A (en) * | 1941-04-07 | 1943-11-02 | Nat Marking Mach Co | Ink and method of marking dry cleaned articles therewith |
| IT439855A (it) * | 1946-06-14 |
-
0
- BE BE498447D patent/BE498447A/xx unknown
-
1949
- 1949-10-05 CH CH277956D patent/CH277956A/de unknown
-
1950
- 1950-10-03 GB GB24145/50A patent/GB689708A/en not_active Expired
- 1950-10-04 DE DES20453A patent/DE904646C/de not_active Expired
- 1950-10-04 FR FR1025467D patent/FR1025467A/fr not_active Expired
-
1952
- 1952-11-18 US US321289A patent/US2776909A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB689708A (en) | 1953-04-01 |
| CH277956A (de) | 1951-09-30 |
| DE904646C (de) | 1954-02-22 |
| FR1025467A (fr) | 1953-04-15 |
| US2776909A (en) | 1957-01-08 |