FI166274A - - Google Patents
Info
- Publication number
- FI166274A FI166274A FI1662/74A FI166274A FI166274A FI 166274 A FI166274 A FI 166274A FI 1662/74 A FI1662/74 A FI 1662/74A FI 166274 A FI166274 A FI 166274A FI 166274 A FI166274 A FI 166274A
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/02—Chip soaking
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36675873A | 1973-06-04 | 1973-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI166274A true FI166274A (fi) | 1974-12-05 |
Family
ID=23444375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1662/74A FI166274A (fi) | 1973-06-04 | 1974-05-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4130457A (fi) |
| JP (1) | JPS5436681B2 (fi) |
| CA (1) | CA1013903A (fi) |
| FI (1) | FI166274A (fi) |
| SE (1) | SE403806B (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8106203L (sv) * | 1981-10-21 | 1983-04-22 | Nils V Mannbro | Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning |
| JPS59118892A (ja) * | 1982-12-27 | 1984-07-09 | Showa Denko Kk | 電解鉄の製法 |
| SE9703365D0 (sv) * | 1997-09-18 | 1997-09-18 | Kvaerner Pulping Tech | Method in connection with impregnation and digestion of lignocelulosic material |
| US8216809B2 (en) * | 2008-12-19 | 2012-07-10 | E I Du Pont De Nemours And Company | Organic solvent pretreatment of biomass to enhance enzymatic saccharification |
| US20100159522A1 (en) * | 2008-12-19 | 2010-06-24 | E.I. De Pont De Nemours And Company | Organosolv and ozone treatment of biomass to enhance enzymatic saccharification |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3567572A (en) * | 1967-09-06 | 1971-03-02 | Pulp Paper Res Inst | Polysulfide liquor impregnation of lignocellulose materials in a multistage pulping process |
| US3551286A (en) * | 1968-01-03 | 1970-12-29 | Union Camp Corp | Polysulfide paper pulping composition |
| US3661698A (en) * | 1969-10-08 | 1972-05-09 | Pulp Paper Res Inst | Production of pulp by a multi-stage ammonium polysulphide pulping process |
| US3644919A (en) * | 1970-12-18 | 1972-02-22 | William R Mathauser | Signalling device for indicating improper position of a skier |
-
1974
- 1974-05-09 CA CA199,588A patent/CA1013903A/en not_active Expired
- 1974-05-15 JP JP5345674A patent/JPS5436681B2/ja not_active Expired
- 1974-05-16 SE SE7406535A patent/SE403806B/xx unknown
- 1974-05-30 FI FI1662/74A patent/FI166274A/fi unknown
- 1974-12-16 US US05/533,193 patent/US4130457A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE403806B (sv) | 1978-09-04 |
| US4130457A (en) | 1978-12-19 |
| SE7406535L (fi) | 1974-12-05 |
| CA1013903A (en) | 1977-07-19 |
| JPS5020003A (fi) | 1975-03-03 |
| JPS5436681B2 (fi) | 1979-11-10 |