SE304909B - - Google Patents
Info
- Publication number
- SE304909B SE304909B SE73/64A SE7364A SE304909B SE 304909 B SE304909 B SE 304909B SE 73/64 A SE73/64 A SE 73/64A SE 7364 A SE7364 A SE 7364A SE 304909 B SE304909 B SE 304909B
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US258466A US3278367A (en) | 1963-02-14 | 1963-02-14 | Method of producing wood pulp including steaming, vacuum, and impregnation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE304909B true SE304909B (xx) | 1968-10-07 |
Family
ID=22980665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE73/64A SE304909B (xx) | 1963-02-14 | 1964-01-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3278367A (xx) |
| DE (1) | DE1255472B (xx) |
| FI (1) | FI44512C (xx) |
| NO (1) | NO117894B (xx) |
| SE (1) | SE304909B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3446701A (en) * | 1967-12-28 | 1969-05-27 | Us Agriculture | Apparatus for impregnating and chemically converting cellulose-containing materials |
| US4632729A (en) * | 1984-05-01 | 1986-12-30 | Laakso Oliver A | Chip presteaming and air washing |
| AT385061B (de) * | 1985-11-29 | 1988-02-10 | Neusiedler Ag | Verfahren zur gewinnung von zellstoff aus pflanzenfasermaterial |
| WO1998035089A1 (en) * | 1997-02-07 | 1998-08-13 | Kvaerner Pulping Ab | Method and apparatus for preheating an impregnating cellulosic material |
| FI127582B (en) * | 2014-01-10 | 2018-09-14 | Ab Bln Woods Ltd | Procedure for extracting lignin |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US480334A (en) * | 1892-08-09 | Hermann xdelbert alfred | ||
| US1413716A (en) * | 1922-04-25 | A corpora | ||
| US1138907A (en) * | 1914-01-21 | 1915-05-11 | John Herman Thickens | Process of preparing wood fiber. |
| GB333426A (en) * | 1929-09-20 | 1930-08-14 | James Holmes | Process of and apparatus for effecting continuous digestion in the extraction of cellulose |
| US2425335A (en) * | 1943-10-11 | 1947-08-12 | Hjalmar S Messing | Fiber processing apparatus |
| US2675311A (en) * | 1948-08-09 | 1954-04-13 | John W Natwick | Paper pulp process and apparatus |
| US2711369A (en) * | 1951-03-17 | 1955-06-21 | Process Evaluation Devel | Progressive explosion process of defibration |
| US3076501A (en) * | 1956-11-08 | 1963-02-05 | Escher Wyss Ag | Apparatus for treating fibrous materials in the production of cellulose or semi-cellulose |
| DE1070013B (de) * | 1957-07-10 | 1959-11-26 | Escher Wyss G.m.b.H., Ravensburg | Verfahren und Einrichtung zur Behandlung faserhaltiger Stoffe bei der Erzeugung von Zellstoff oder Halbzellstoff |
-
1963
- 1963-02-14 US US258466A patent/US3278367A/en not_active Expired - Lifetime
- 1963-12-13 FI FI632471A patent/FI44512C/fi active
- 1963-12-20 DE DEA44862A patent/DE1255472B/de active Pending
-
1964
- 1964-01-02 NO NO151454A patent/NO117894B/no unknown
- 1964-01-03 SE SE73/64A patent/SE304909B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1255472B (de) | 1967-11-30 |
| NO117894B (xx) | 1969-10-06 |
| FI44512C (fi) | 1971-11-10 |
| US3278367A (en) | 1966-10-11 |
| FI44512B (xx) | 1971-08-02 |