FI750262A - - Google Patents
Info
- Publication number
- FI750262A FI750262A FI750262A FI750262A FI750262A FI 750262 A FI750262 A FI 750262A FI 750262 A FI750262 A FI 750262A FI 750262 A FI750262 A FI 750262A FI 750262 A FI750262 A FI 750262A
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
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- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/10—Phosphorus-containing compounds
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
-
- 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
- Y10S162/04—Pitch control
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752500209 DE2500209B2 (de) | 1975-01-03 | 1975-01-03 | Verfahren und mittel zur verhuetung von harzausscheidungen bei der papierherstellung |
DE2500209 | 1975-01-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI750262A true FI750262A (me) | 1976-08-01 |
FI57802B FI57802B (fi) | 1980-06-30 |
FI57802C FI57802C (fi) | 1980-10-10 |
Family
ID=5935960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI750262A FI57802C (fi) | 1975-01-03 | 1975-01-31 | Saett att foerhindra separeringar av hartser vid pappersframstaellning |
Country Status (3)
Country | Link |
---|---|
US (1) | US4010067A (me) |
DE (1) | DE2500209B2 (me) |
FI (1) | FI57802C (me) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4029696A (en) * | 1976-04-09 | 1977-06-14 | Benckiser-Knapsack Gmbh | N-hydroxy alkane amino alkane diphosphonic acids, process of producing same, and compositions for and method of using same |
US4184912A (en) * | 1976-08-09 | 1980-01-22 | Nalco Chemical Company | Pitch control method |
DE3338260C1 (de) * | 1983-10-21 | 1985-07-25 | Benckiser-Knapsack Gmbh, 6802 Ladenburg | Verfahren und Mittel zum Bleichen von Holzschliff |
US4673460A (en) * | 1984-09-27 | 1987-06-16 | Stepan Company | Deresination method of wood pulp |
TW258729B (me) * | 1992-06-22 | 1995-10-01 | Ciba Geigy | |
KR100408627B1 (ko) * | 2000-07-12 | 2003-12-06 | 주식회사 자경케미칼 | 제지용 오염방지 조성물 |
WO2013178875A1 (en) * | 2012-05-29 | 2013-12-05 | Kemira Oyj | A process for the treatment of fibre material and a new composition |
JP2021161353A (ja) * | 2020-04-03 | 2021-10-11 | 王子ホールディングス株式会社 | 繊維状セルロース、繊維状セルロース含有物及び成形体 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL299237A (me) * | 1962-10-18 | 1900-01-01 | ||
US3832396A (en) * | 1966-03-29 | 1974-08-27 | Monsanto Co | Anhydrides of organo-phosphonic acids |
GB1230172A (me) * | 1968-02-28 | 1971-04-28 | ||
DE2017974A1 (de) * | 1970-04-15 | 1971-11-04 | Joh. A. Benckiser Gmbh Chemische Fabrik, 6700 Ludwigshafen | Verfahren zur Herstellung von Aminoalkylenphosphonsäuren |
US3751372A (en) * | 1971-06-18 | 1973-08-07 | Hercules Inc | Scale and corrosion control in circulating water using polyphosphates and organophonic acids |
IT951279B (it) * | 1971-07-01 | 1973-06-30 | Benckiser Gmbh Joh A | Processo per impedire il formarsi di depositi che producono incrosta zioni nei sistemi acquosi |
US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
US3896046A (en) * | 1972-09-07 | 1975-07-22 | Key Chemicals Inc | Composition for controlling pitch in paper manufacture |
US3804770A (en) * | 1972-10-20 | 1974-04-16 | Nalco Chemical Co | Edta-organophosphonate composition for controlling scale |
-
1975
- 1975-01-03 DE DE19752500209 patent/DE2500209B2/de active Granted
- 1975-01-31 FI FI750262A patent/FI57802C/fi not_active IP Right Cessation
- 1975-02-21 US US05/551,684 patent/US4010067A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2500209A1 (de) | 1976-07-08 |
FI57802C (fi) | 1980-10-10 |
US4010067A (en) | 1977-03-01 |
DE2500209B2 (de) | 1977-03-03 |
DE2500209C3 (me) | 1978-07-13 |
FI57802B (fi) | 1980-06-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: BENCKISER-KNAPSACK GMBH |