BR9912591B1 - produto para desacidificação de material de celulose, e produção e uso do mesmo. - Google Patents
produto para desacidificação de material de celulose, e produção e uso do mesmo.Info
- Publication number
- BR9912591B1 BR9912591B1 BRPI9912591-9A BR9912591A BR9912591B1 BR 9912591 B1 BR9912591 B1 BR 9912591B1 BR 9912591 A BR9912591 A BR 9912591A BR 9912591 B1 BR9912591 B1 BR 9912591B1
- Authority
- BR
- Brazil
- Prior art keywords
- product
- hfc
- acidification
- production
- solution
- Prior art date
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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/18—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00 of old paper as in books, documents, e.g. restoring
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801733A ES2151835B1 (es) | 1998-07-31 | 1998-07-31 | Desacidificacion de materia celulosico. |
ES009801737A ES2151836B1 (es) | 1998-07-31 | 1998-07-31 | Disolventes hidrofluorocarbonados para desacidificacion de materiales celulosicos. |
PCT/ES1999/000242 WO2000008250A2 (es) | 1998-07-31 | 1999-07-29 | Producto para la desacidificacion de material celulosico, su obtencion y empleo |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9912591A BR9912591A (pt) | 2001-10-16 |
BR9912591B1 true BR9912591B1 (pt) | 2009-05-05 |
Family
ID=26155171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9912591-9A BR9912591B1 (pt) | 1998-07-31 | 1999-07-29 | produto para desacidificação de material de celulose, e produção e uso do mesmo. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1111128B1 (pt) |
AT (1) | ATE243283T1 (pt) |
AU (1) | AU5290699A (pt) |
BR (1) | BR9912591B1 (pt) |
CA (1) | CA2339021C (pt) |
DE (1) | DE69908955T2 (pt) |
DK (1) | DK1111128T3 (pt) |
ES (1) | ES2201754T3 (pt) |
MX (1) | MXPA01001211A (pt) |
PT (1) | PT1111128E (pt) |
WO (1) | WO2000008250A2 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2191510B1 (es) * | 2000-05-30 | 2004-06-16 | Conservacion De Sustratos Celulosicos, S.L. | Producto para la desinfestacion de material celulosico, su obtencion y empleo. |
US20030150571A1 (en) * | 2001-11-16 | 2003-08-14 | Thomas Raymond H. | Method of deacidifying cellulose-based materials |
US20050042380A1 (en) * | 2002-01-15 | 2005-02-24 | Piero Baglioni | Basic suspension, its preparation and process for paper deacidification |
SK287845B6 (sk) | 2007-09-18 | 2012-01-04 | Stu Fakulta Chemickej A Potravinarskej Technologie | Multifunction device for modification of cellulose materials and method for modification of cellulose materials |
US20130158250A1 (en) * | 2011-12-16 | 2013-06-20 | Honeywell International, Inc. | Method of deacidifying cellulose based materials |
CN111215755B (zh) * | 2019-12-10 | 2022-02-11 | 合肥工业大学 | 一种采用激光退除纸张墨迹的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3939091A (en) * | 1975-02-14 | 1976-02-17 | The United States Of America As Represented By The Librarian Of Congress | Composition for use in deacidification of paper |
US4318963A (en) * | 1980-01-21 | 1982-03-09 | Smith Richard D | Treatment of cellulosic materials |
DE4237701A1 (de) * | 1992-11-07 | 1994-05-11 | Huels Chemische Werke Ag | Lagerstabile Lösungen von carbonisiertem Magnesiumethylat in Ethanol sowie deren Herstellung und Verwendung |
CA2142195A1 (en) * | 1995-02-08 | 1996-08-09 | D. James Worsfold | Deacidification of cellulosic material |
DE69909762T2 (de) * | 1998-01-09 | 2004-04-15 | Smith, Richard Daniel, Park Forest | Verfahren zur entsäuerung von bedrucktem, cellulosehaltigem material |
-
1999
- 1999-07-29 DE DE69908955T patent/DE69908955T2/de not_active Expired - Lifetime
- 1999-07-29 MX MXPA01001211A patent/MXPA01001211A/es not_active IP Right Cessation
- 1999-07-29 AU AU52906/99A patent/AU5290699A/en not_active Abandoned
- 1999-07-29 PT PT99938395T patent/PT1111128E/pt unknown
- 1999-07-29 WO PCT/ES1999/000242 patent/WO2000008250A2/es active IP Right Grant
- 1999-07-29 BR BRPI9912591-9A patent/BR9912591B1/pt not_active IP Right Cessation
- 1999-07-29 CA CA002339021A patent/CA2339021C/en not_active Expired - Fee Related
- 1999-07-29 AT AT99938395T patent/ATE243283T1/de not_active IP Right Cessation
- 1999-07-29 DK DK99938395T patent/DK1111128T3/da active
- 1999-07-29 ES ES99938395T patent/ES2201754T3/es not_active Expired - Lifetime
- 1999-07-29 EP EP99938395A patent/EP1111128B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1111128A2 (en) | 2001-06-27 |
DE69908955D1 (de) | 2003-07-24 |
DE69908955T2 (de) | 2004-05-19 |
ES2201754T3 (es) | 2004-03-16 |
EP1111128B1 (en) | 2003-06-18 |
DK1111128T3 (da) | 2003-10-06 |
WO2000008250A2 (es) | 2000-02-17 |
BR9912591A (pt) | 2001-10-16 |
CA2339021C (en) | 2008-03-11 |
AU5290699A (en) | 2000-02-28 |
ATE243283T1 (de) | 2003-07-15 |
CA2339021A1 (en) | 2000-02-17 |
WO2000008250A3 (es) | 2000-05-18 |
MXPA01001211A (es) | 2002-04-24 |
PT1111128E (pt) | 2003-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/07/1999, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 15A, 16A E 17A ANUIDADES. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |