BE446444A - - Google Patents
Info
- Publication number
- BE446444A BE446444A BE446444DA BE446444A BE 446444 A BE446444 A BE 446444A BE 446444D A BE446444D A BE 446444DA BE 446444 A BE446444 A BE 446444A
- Authority
- BE
- Belgium
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
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- 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
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/23—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using hypohalogenites
-
- 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
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE235778X | 1941-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446444A true BE446444A (en) |
Family
ID=5898562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446444D BE446444A (en) | 1941-08-06 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE446444A (en) |
| CH (1) | CH235778A (en) |
| FR (1) | FR883667A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587064A (en) * | 1949-03-09 | 1952-02-26 | Int Paper Canada | Method of bleaching wood pulp |
| US2741537A (en) * | 1952-03-26 | 1956-04-10 | Olin Mathieson | Available chlorine single-stage bleaching of sulfate pulp |
| US2741536A (en) * | 1952-03-26 | 1956-04-10 | Olin Mathieson | Available chlorine multi-stage bleaching of sulfite pulp |
-
0
- BE BE446444D patent/BE446444A/xx unknown
-
1942
- 1942-06-09 CH CH235778D patent/CH235778A/en unknown
- 1942-06-29 FR FR883667D patent/FR883667A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587064A (en) * | 1949-03-09 | 1952-02-26 | Int Paper Canada | Method of bleaching wood pulp |
| US2741537A (en) * | 1952-03-26 | 1956-04-10 | Olin Mathieson | Available chlorine single-stage bleaching of sulfate pulp |
| US2741536A (en) * | 1952-03-26 | 1956-04-10 | Olin Mathieson | Available chlorine multi-stage bleaching of sulfite pulp |
Also Published As
| Publication number | Publication date |
|---|---|
| CH235778A (en) | 1944-12-31 |
| FR883667A (en) | 1943-07-12 |