NL33081C - - Google Patents
Info
- Publication number
- NL33081C NL33081C NL33081DA NL33081C NL 33081 C NL33081 C NL 33081C NL 33081D A NL33081D A NL 33081DA NL 33081 C NL33081 C NL 33081C
- Authority
- NL
- Netherlands
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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Paper (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEW0084219 | 1929-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL33081C true NL33081C (xx) | 1900-01-01 |
Family
ID=7611892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33081D NL33081C (xx) | 1929-11-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1919140A (xx) |
| BE (1) | BE374896A (xx) |
| DE (1) | DE593427C (xx) |
| FR (1) | FR705385A (xx) |
| GB (1) | GB364756A (xx) |
| NL (1) | NL33081C (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747716C (de) * | 1937-01-27 | 1944-10-11 | Hans Fehn | Verfahren zum Regenerieren von Druckpapier |
| ATE118839T1 (de) * | 1989-03-15 | 1995-03-15 | Woodfree Ltd | Verfahren zum de-inken von altpapieren. |
| US5882476A (en) * | 1995-05-05 | 1999-03-16 | Solvay Minerals, Inc. | Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate |
-
0
- NL NL33081D patent/NL33081C/xx active
- BE BE374896D patent/BE374896A/xx unknown
-
1930
- 1930-04-06 DE DE1930593427D patent/DE593427C/de not_active Expired
- 1930-11-12 FR FR705385D patent/FR705385A/fr not_active Expired
- 1930-11-13 US US49551830 patent/US1919140A/en not_active Expired - Lifetime
- 1930-11-17 GB GB3455730A patent/GB364756A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE374896A (xx) | 1900-01-01 |
| US1919140A (en) | 1933-07-18 |
| DE593427C (de) | 1934-02-26 |
| FR705385A (fr) | 1931-06-05 |
| GB364756A (en) | 1932-01-14 |