NL16847C - - Google Patents
Info
- Publication number
- NL16847C NL16847C NL16847DA NL16847C NL 16847 C NL16847 C NL 16847C NL 16847D A NL16847D A NL 16847DA NL 16847 C NL16847 C NL 16847C
- Authority
- NL
- Netherlands
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
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C3/14—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites ammonium bisulfite
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR156777X | 1914-07-06 | ||
| GB2886423A GB229002A (en) | 1923-11-15 | 1923-11-15 | Improvements in the manufacture of wood pulp and by-products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL16847C true NL16847C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=26213812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL16847D NL16847C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1914-07-06 |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749201C (de) * | 1942-10-28 | 1952-11-10 | Kurmaerkische Zellwolle Und Ze | Mehrstufiges Sulfitverfahren zur Herstellung eines zur chemischen Weiterverarbeitunggeeigneten Zellstoffes |
| DE746873C (de) * | 1942-10-28 | 1952-11-10 | Kurmaerkische Zellwolle Und Ze | Verfahren zur Herstellung eines zur chemischen Weiterverarbeitung geeigneten Zellstoffes nach dem Sulfitverfahren |
| DE975359C (de) * | 1951-01-18 | 1961-11-09 | Yrjoe Dipl-Ing Sivola | Verfahren zur Gewinnung von Zellstoff aus cellulosehaltigen Rohstoffen |
| DE964560C (de) * | 1953-04-02 | 1957-05-23 | Zentrales Projektierungsbuero | Verfahren zur Vorbehandlung von Hackschnitzeln mit Ammoniak beim Bisulfitzellstoffaufschluss |
| NL189136C (nl) * | 1953-08-14 | Roehm Gmbh | Polymeersuspensie, werkwijze ter bereiding daarvan alsmede toepassing daarvan. | |
| US2885317A (en) * | 1954-03-30 | 1959-05-05 | Stora Kopparbergs Bergslags Ab | Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood |
| DE1133234B (de) * | 1959-08-12 | 1962-07-12 | Montedison Spa | Verfahren zur Herstellung von Halbzellstoffen |
| DE102010009309A1 (de) | 2009-02-20 | 2011-02-03 | Technische Universität Dresden | Verfahren zur dreidimensionalen Umformung und Formfixierung von Furnieren |
-
0
- NL NL16847D patent/NL16847C/xx active
- FR FR24034A patent/FR24034E/fr not_active Expired
-
1914
- 1914-07-06 FR FR477895A patent/FR477895A/fr not_active Expired
-
1919
- 1919-04-17 FR FR22049A patent/FR22049E/fr not_active Expired
-
1920
- 1920-07-09 DE DEH81741D patent/DE469372C/de not_active Expired
- 1920-08-12 FR FR24174A patent/FR24174E/fr not_active Expired
-
1921
- 1921-01-07 GB GB852/21A patent/GB156777A/en not_active Expired
-
1924
- 1924-10-23 DE DEC35576D patent/DE495146C/de not_active Expired
- 1924-10-25 FR FR588071D patent/FR588071A/fr not_active Expired
- 1924-11-03 US US747675A patent/US1547907A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR588071A (fr) | 1925-04-29 |
| GB156777A (en) | 1922-06-07 |
| FR24174E (fr) | 1922-03-18 |
| FR22049E (fr) | 1921-04-21 |
| FR477895A (fr) | 1915-11-12 |
| FR24034E (fr) | 1922-02-20 |
| US1547907A (en) | 1925-07-28 |
| DE469372C (de) | 1928-12-11 |
| DE495146C (de) | 1930-04-02 |