FI46190B - - Google Patents
Info
- Publication number
- FI46190B FI46190B FI302965A FI302965A FI46190B FI 46190 B FI46190 B FI 46190B FI 302965 A FI302965 A FI 302965A FI 302965 A FI302965 A FI 302965A FI 46190 B FI46190 B FI 46190B
- Authority
- FI
- Finland
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/06—Sulfite or bisulfite pulp
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1537464A SE308061B (de) | 1964-12-18 | 1964-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI46190B true FI46190B (de) | 1972-10-02 |
Family
ID=20300560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI302965A FI46190B (de) | 1964-12-18 | 1965-12-17 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT277745B (de) |
| CH (2) | CH465383A (de) |
| FI (1) | FI46190B (de) |
| GB (1) | GB1136219A (de) |
| SE (1) | SE308061B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007022750A1 (de) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Verfahren zum Zerfasern von chemisch behandeltem lignocellulosischem Rohstoff |
| US20130000856A1 (en) * | 2010-03-15 | 2013-01-03 | Upm-Kymmene Oyj | Method for improving the properties of a paper product and forming an additive component and the corresponding paper product and additive component and use of the additive component |
-
1964
- 1964-12-18 SE SE1537464A patent/SE308061B/xx unknown
-
1965
- 1965-12-17 AT AT1137465A patent/AT277745B/de not_active IP Right Cessation
- 1965-12-17 GB GB5359965A patent/GB1136219A/en not_active Expired
- 1965-12-17 CH CH1744465A patent/CH465383A/de unknown
- 1965-12-17 CH CH1744365A patent/CH456330A/de unknown
- 1965-12-17 FI FI302965A patent/FI46190B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| CH456330A (de) | 1968-07-15 |
| SE308061B (de) | 1969-01-27 |
| AT277745B (de) | 1970-01-12 |
| GB1136219A (en) | 1968-12-11 |
| DE1517219A1 (de) | 1969-12-18 |
| CH465383A (de) | 1968-11-15 |