NL52906C - - Google Patents
Info
- Publication number
- NL52906C NL52906C NL52906DA NL52906C NL 52906 C NL52906 C NL 52906C NL 52906D A NL52906D A NL 52906DA NL 52906 C NL52906 C NL 52906C
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE208192X | 1937-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52906C true NL52906C (en:Method) | 1900-01-01 |
Family
ID=5794105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52906D NL52906C (en:Method) | 1937-07-24 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH208192A (en:Method) |
| FR (1) | FR841053A (en:Method) |
| GB (1) | GB506472A (en:Method) |
| NL (1) | NL52906C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2502330A (en) * | 1943-03-01 | 1950-03-28 | Clarence E Libby | Washing paper pulp to remove coloring matter |
| US2743178A (en) * | 1948-07-19 | 1956-04-24 | Krodel | Process for de-inking printed waste paper |
| WO1990010749A1 (en) * | 1989-03-15 | 1990-09-20 | Bdl Specialist Products Limited | Method of de-inking waste paper materials |
-
0
- NL NL52906D patent/NL52906C/xx active
-
1938
- 1938-07-21 CH CH208192D patent/CH208192A/de unknown
- 1938-07-23 FR FR841053D patent/FR841053A/fr not_active Expired
- 1938-07-25 GB GB2205838A patent/GB506472A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR841053A (fr) | 1939-05-10 |
| CH208192A (de) | 1940-01-15 |
| GB506472A (en) | 1939-05-30 |