NO120397B - - Google Patents
Download PDFInfo
- Publication number
- NO120397B NO120397B NO4062/68A NO406268A NO120397B NO 120397 B NO120397 B NO 120397B NO 4062/68 A NO4062/68 A NO 4062/68A NO 406268 A NO406268 A NO 406268A NO 120397 B NO120397 B NO 120397B
- Authority
- NO
- Norway
- Prior art keywords
- sulphite
- acetic acid
- cellulose
- pulp
- digestion
- Prior art date
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
- D21C3/003—Pulping cellulose-containing materials with organic compounds
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70989168A | 1968-03-04 | 1968-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO120397B true NO120397B (pm) | 1970-10-12 |
Family
ID=24851706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4062/68A NO120397B (pm) | 1968-03-04 | 1968-10-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3560331A (pm) |
| DE (1) | DE1815667A1 (pm) |
| NO (1) | NO120397B (pm) |
| SE (1) | SE338498B (pm) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094735A (en) * | 1974-09-06 | 1978-06-13 | Kopparfors Ab | Method of pulping with sulfite liquor containing formic acid esters |
| USRE32408E (en) * | 1982-09-29 | 1987-04-28 | Masonite Corporation | Lignosulfonate-phenol-formaldehyde resin binder |
| CN104245946A (zh) * | 2012-04-26 | 2014-12-24 | 阿彻丹尼尔斯米德兰德公司 | 用于制造糖浆和木质素部分的木质纤维素生物质的液体/液体分离 |
-
1968
- 1968-03-04 US US709891A patent/US3560331A/en not_active Expired - Lifetime
- 1968-10-01 SE SE13262/68A patent/SE338498B/xx unknown
- 1968-10-12 NO NO4062/68A patent/NO120397B/no unknown
- 1968-12-19 DE DE19681815667 patent/DE1815667A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1815667A1 (de) | 1969-10-16 |
| SE338498B (pm) | 1971-09-06 |
| US3560331A (en) | 1971-02-02 |
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