DE69921989D1 - Ein verfahren zur herstellung von papier - Google Patents
Ein verfahren zur herstellung von papierInfo
- Publication number
- DE69921989D1 DE69921989D1 DE69921989T DE69921989T DE69921989D1 DE 69921989 D1 DE69921989 D1 DE 69921989D1 DE 69921989 T DE69921989 T DE 69921989T DE 69921989 T DE69921989 T DE 69921989T DE 69921989 D1 DE69921989 D1 DE 69921989D1
- Authority
- DE
- Germany
- Prior art keywords
- producing paper
- paper
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- 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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- 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
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- 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
- D21H21/50—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 characterised by form
- D21H21/52—Additives of definite length or shape
- D21H21/54—Additives of definite length or shape being spherical, e.g. microcapsules, beads
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8278498P | 1998-04-23 | 1998-04-23 | |
EP98850061 | 1998-04-23 | ||
EP98850061 | 1998-04-23 | ||
US82784P | 1998-04-23 | ||
PCT/SE1999/000574 WO1999054551A1 (en) | 1998-04-23 | 1999-04-08 | A process for the production of paper |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69921989D1 true DE69921989D1 (de) | 2004-12-23 |
DE69921989T2 DE69921989T2 (de) | 2005-11-24 |
Family
ID=56289901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69921989T Expired - Fee Related DE69921989T2 (de) | 1998-04-23 | 1999-04-08 | Verfahren zur Herstellung von Papier |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1080270B1 (de) |
AU (1) | AU4297699A (de) |
DE (1) | DE69921989T2 (de) |
ES (1) | ES2229765T3 (de) |
WO (1) | WO1999054551A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6942142B2 (ja) * | 2015-12-14 | 2021-09-29 | エコラブ ユーエスエイ インク | 製紙プロセスのためのボロン酸含有ポリマー |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5221435A (en) * | 1991-09-27 | 1993-06-22 | Nalco Chemical Company | Papermaking process |
US5827398A (en) * | 1996-02-13 | 1998-10-27 | Allied Colloids Limited | Production of filled paper |
-
1999
- 1999-04-08 WO PCT/SE1999/000574 patent/WO1999054551A1/en active IP Right Grant
- 1999-04-08 EP EP99945723A patent/EP1080270B1/de not_active Expired - Lifetime
- 1999-04-08 DE DE69921989T patent/DE69921989T2/de not_active Expired - Fee Related
- 1999-04-08 AU AU42976/99A patent/AU4297699A/en not_active Abandoned
- 1999-04-08 ES ES99945723T patent/ES2229765T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1999054551A1 (en) | 1999-10-28 |
EP1080270B1 (de) | 2004-11-17 |
ES2229765T3 (es) | 2005-04-16 |
AU4297699A (en) | 1999-11-08 |
EP1080270A1 (de) | 2001-03-07 |
DE69921989T2 (de) | 2005-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |