FI43031B - - Google Patents
Info
- Publication number
- FI43031B FI43031B FI0028/63A FI2863A FI43031B FI 43031 B FI43031 B FI 43031B FI 0028/63 A FI0028/63 A FI 0028/63A FI 2863 A FI2863 A FI 2863A FI 43031 B FI43031 B FI 43031B
- Authority
- FI
- Finland
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 |
|---|---|---|---|
| DE1962A0039238 DE1517142A1 (de) | 1962-01-18 | 1962-01-18 | Verfahren zur Herstellung von Zellstoff aus Mischungen von Nadelholz,vorzugsweise Kiefern- und Fichtenholz,und Laubholz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI43031B true FI43031B (pm) | 1970-09-02 |
| FI43031C FI43031C (fi) | 1970-12-10 |
Family
ID=6931262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI630028A FI43031C (fi) | 1962-01-18 | 1963-01-08 | Menetelmä selluloosan valmistamiseksi havupuun ja lehtipuun seoksista yksivaiheisella sulfiittiliuennuksella käyttäen kationina magneesiumia |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT253346B (pm) |
| CH (1) | CH424454A (pm) |
| FI (1) | FI43031C (pm) |
| FR (1) | FR1345310A (pm) |
| NO (1) | NO121699B (pm) |
| SE (1) | SE219883C1 (pm) |
-
1962
- 1962-12-20 FR FR20000A patent/FR1345310A/fr not_active Expired
- 1962-12-27 CH CH1522862A patent/CH424454A/de unknown
-
1963
- 1963-01-04 AT AT9363A patent/AT253346B/de active
- 1963-01-08 FI FI630028A patent/FI43031C/fi active
- 1963-01-10 NO NO147081A patent/NO121699B/no unknown
- 1963-01-16 SE SE045663A patent/SE219883C1/sv unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE219883C1 (sv) | 1968-04-02 |
| NO121699B (pm) | 1971-03-29 |
| CH424454A (de) | 1966-11-15 |
| FR1345310A (fr) | 1963-12-06 |
| AT253346B (de) | 1967-04-10 |
| FI43031C (fi) | 1970-12-10 |