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 (en) |
Family
ID=4529135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE498447D BE498447A (en) | 1949-10-05 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2776909A (en) |
BE (1) | BE498447A (en) |
CH (1) | CH277956A (en) |
DE (1) | DE904646C (en) |
FR (1) | FR1025467A (en) |
GB (1) | GB689708A (en) |
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 (en) * | 1956-08-30 | 1968-08-29 | Basf Ag | Optical brighteners |
DE1205941B (en) * | 1959-01-16 | 1965-12-02 | Bayer Ag | Optical brighteners |
US4028550A (en) * | 1975-12-22 | 1977-06-07 | E. I. Du Pont De Nemours And Company | X-ray screens |
CH648789A5 (en) * | 1980-10-03 | 1985-04-15 | Schweizerische Seidengaze | METHOD FOR SHORTERING THE EXPOSURE TIME IN PHOTOCHEMICAL PATTERN TRANSFER ON LIGHT SENSITIVE LAYERS. |
EP0091261B1 (en) * | 1982-04-02 | 1986-09-24 | Hollygrange Limited | Dry cleaning process |
WO2002050365A1 (en) * | 2000-12-20 | 2002-06-27 | Unilever N.V. | Fabric cleaning system |
EP1343931B1 (en) * | 2000-12-20 | 2005-02-23 | Unilever N.V. | 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 (en) * | 1946-06-14 |
-
0
- BE BE498447D patent/BE498447A/xx unknown
-
1949
- 1949-10-05 CH CH277956D patent/CH277956A/en unknown
-
1950
- 1950-10-03 GB GB24145/50A patent/GB689708A/en not_active Expired
- 1950-10-04 DE DES20453A patent/DE904646C/en not_active Expired
- 1950-10-04 FR FR1025467D patent/FR1025467A/en 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 |
FR1025467A (en) | 1953-04-15 |
DE904646C (en) | 1954-02-22 |
US2776909A (en) | 1957-01-08 |
CH277956A (en) | 1951-09-30 |