NL72750C - - Google Patents
Info
- Publication number
- NL72750C NL72750C NL72750DA NL72750C NL 72750 C NL72750 C NL 72750C NL 72750D A NL72750D A NL 72750DA NL 72750 C NL72750 C NL 72750C
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1117103T | 1947-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72750C true NL72750C (sv) |
Family
ID=9629807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72750D NL72750C (sv) | 1947-11-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE485718A (sv) |
| FR (1) | FR1117103A (sv) |
| GB (1) | GB656506A (sv) |
| NL (1) | NL72750C (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297708C (zh) * | 2003-08-26 | 2007-01-31 | 山东泉林纸业有限责任公司 | 一种用球内洗涤分级蒸煮工艺生产的浓黑液、黑液 |
| CN1318690C (zh) * | 2003-08-26 | 2007-05-30 | 山东泉林纸业有限责任公司 | 一种球内洗涤分级蒸煮工艺 |
-
0
- NL NL72750D patent/NL72750C/xx active
- BE BE485718D patent/BE485718A/xx unknown
-
1947
- 1947-11-14 FR FR1117103D patent/FR1117103A/fr not_active Expired
-
1948
- 1948-11-15 GB GB29662/48A patent/GB656506A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1117103A (fr) | 1956-05-17 |
| BE485718A (sv) | |
| GB656506A (en) | 1951-08-22 |