ES2151835A1 - Desacidificacion de materia celulosico. - Google Patents
Desacidificacion de materia celulosico.Info
- Publication number
- ES2151835A1 ES2151835A1 ES009801733A ES9801733A ES2151835A1 ES 2151835 A1 ES2151835 A1 ES 2151835A1 ES 009801733 A ES009801733 A ES 009801733A ES 9801733 A ES9801733 A ES 9801733A ES 2151835 A1 ES2151835 A1 ES 2151835A1
- Authority
- ES
- Spain
- Prior art keywords
- cellulose
- composition
- acidifying
- propylate
- propanol
- 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.)
- Granted
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
Desacidificación de material celulósico. Se presenta en la patente que se solicita un producto para la desacidificación de materiales celulósicos alterados por la acidez, como papel, libros, documentos, prensa, guardados en bibliotecas, archivos y hemerotecas, que está formado por el propilato de magnesio carbonatado. Se emplea como disolvente el propanol en n- dipropilato de magnesio carbonatado y como vehiculante y diluyente en hidrofluorocarburo. El producto de desacidificación de esta patente de invención puede ser aplicado por rociado a través de boquillas, o por inmersión del material celulósico en el producto de desacidificación en la máquina correspondiente.
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801733A ES2151835B1 (es) | 1998-07-31 | 1998-07-31 | Desacidificacion de materia celulosico. |
AT99938395T ATE243283T1 (de) | 1998-07-31 | 1999-07-29 | Produkt zur entsäuerung von zellstoffmaterial, seine gewinnung und seine verwendung |
PCT/ES1999/000242 WO2000008250A2 (es) | 1998-07-31 | 1999-07-29 | Producto para la desacidificacion de material celulosico, su obtencion y empleo |
DK99938395T DK1111128T3 (da) | 1998-07-31 | 1999-07-29 | Produkt til syrefjernelse fra cellulosemateriale, fremstilling og anvendelse deraf |
PT99938395T PT1111128E (pt) | 1998-07-31 | 1999-07-29 | Produto para a desacidificacao de material celulosico sua producao e utilizacao |
CA002339021A CA2339021C (en) | 1998-07-31 | 1999-07-29 | Product for the de-acidification of cellulose material, and production and use thereof |
EP99938395A EP1111128B1 (en) | 1998-07-31 | 1999-07-29 | Product for desacidification of cellulose material, production and utilization thereof |
AU52906/99A AU5290699A (en) | 1998-07-31 | 1999-07-29 | Product for desacidification of cellulose material, production and utilization thereof |
BRPI9912591-9A BR9912591B1 (pt) | 1998-07-31 | 1999-07-29 | produto para desacidificação de material de celulose, e produção e uso do mesmo. |
DE69908955T DE69908955T2 (de) | 1998-07-31 | 1999-07-29 | Produkt zur entsäuerung von zellstoffmaterial, seine gewinnung und seine verwendung |
MXPA01001211A MXPA01001211A (es) | 1998-07-31 | 1999-07-29 | Producto para la desacidificacion de material celulosico, su obtencion y empleo. |
ES99938395T ES2201754T3 (es) | 1998-07-31 | 1999-07-29 | Producto para la desacidificacion de material celulosico, su obtencion y su uso. |
US10/825,048 US20040194902A1 (en) | 1998-07-31 | 2004-04-15 | Method for the de-acidification of celluso material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801733A ES2151835B1 (es) | 1998-07-31 | 1998-07-31 | Desacidificacion de materia celulosico. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2151835A1 true ES2151835A1 (es) | 2001-01-01 |
ES2151835B1 ES2151835B1 (es) | 2001-08-16 |
Family
ID=8304879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9801733A Expired - Fee Related ES2151835B1 (es) | 1998-07-31 | 1998-07-31 | Desacidificacion de materia celulosico. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2151835B1 (es) |
Citations (6)
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 |
US5409736A (en) * | 1993-08-31 | 1995-04-25 | Preservation Technologies, Inc. | Deacidification of cellulose based materials using perfluorinated carriers |
US5456801A (en) * | 1992-11-07 | 1995-10-10 | Huels Aktiengesellschaft | Storage-stable solutions of carbonated magnesium ethylate in ethanol and their preparation and use |
CA2142195A1 (en) * | 1995-02-08 | 1996-08-09 | D. James Worsfold | Deacidification of cellulosic material |
WO1997026409A1 (en) * | 1996-01-16 | 1997-07-24 | Preservation Technologies, Inc. | Method and apparatus for the deacidification of library materials |
-
1998
- 1998-07-31 ES ES9801733A patent/ES2151835B1/es not_active Expired - Fee Related
Patent Citations (6)
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 |
US5456801A (en) * | 1992-11-07 | 1995-10-10 | Huels Aktiengesellschaft | Storage-stable solutions of carbonated magnesium ethylate in ethanol and their preparation and use |
US5409736A (en) * | 1993-08-31 | 1995-04-25 | Preservation Technologies, Inc. | Deacidification of cellulose based materials using perfluorinated carriers |
CA2142195A1 (en) * | 1995-02-08 | 1996-08-09 | D. James Worsfold | Deacidification of cellulosic material |
WO1997026409A1 (en) * | 1996-01-16 | 1997-07-24 | Preservation Technologies, Inc. | Method and apparatus for the deacidification of library materials |
Also Published As
Publication number | Publication date |
---|---|
ES2151835B1 (es) | 2001-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20010101 Kind code of ref document: A1 Effective date: 20010101 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20181126 |