SE308857B - - Google Patents
Info
- Publication number
- SE308857B SE308857B SE707566A SE707566A SE308857B SE 308857 B SE308857 B SE 308857B SE 707566 A SE707566 A SE 707566A SE 707566 A SE707566 A SE 707566A SE 308857 B SE308857 B SE 308857B
- Authority
- SE
- Sweden
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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
- D21C3/10—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites magnesium bisulfite
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965A0049297 DE1517153A1 (de) | 1962-01-18 | 1965-05-24 | Verfahren zur Herstellung von Zellstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE308857B true SE308857B (it) | 1969-02-24 |
Family
ID=6936792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE707566A SE308857B (it) | 1965-05-24 | 1966-05-24 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT273655B (it) |
| CH (1) | CH474613A (it) |
| FI (1) | FI46191C (it) |
| NO (1) | NO127061B (it) |
| SE (1) | SE308857B (it) |
-
1966
- 1966-05-11 CH CH686566A patent/CH474613A/de not_active IP Right Cessation
- 1966-05-11 AT AT445366A patent/AT273655B/de active
- 1966-05-13 NO NO16301766A patent/NO127061B/no unknown
- 1966-05-23 FI FI134466A patent/FI46191C/fi active
- 1966-05-24 SE SE707566A patent/SE308857B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI46191C (fi) | 1973-01-10 |
| FI46191B (it) | 1972-10-02 |
| AT273655B (de) | 1969-08-25 |
| NO127061B (it) | 1973-04-30 |
| CH474613A (de) | 1969-06-30 |