EP0927279A1 - Papier calque de couleur - Google Patents
Papier calque de couleurInfo
- Publication number
- EP0927279A1 EP0927279A1 EP98924408A EP98924408A EP0927279A1 EP 0927279 A1 EP0927279 A1 EP 0927279A1 EP 98924408 A EP98924408 A EP 98924408A EP 98924408 A EP98924408 A EP 98924408A EP 0927279 A1 EP0927279 A1 EP 0927279A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- dye
- fibers
- color
- transparent
- 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
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
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/1263—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of fibres which have been swollen
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/18—Highly hydrated, swollen or fibrillatable fibres
-
- 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
- D21H21/14—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 function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/06—Vegetable or imitation parchment; Glassine paper
-
- 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
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/916—Natural fiber dyeing
- Y10S8/919—Paper
Definitions
- the present invention relates to a transparent and / or translucent paper of intense color, more particularly a tracing paper of intense color or a transparentized paper of intense color.
- Tracing papers are already known which are obtained with very refined cellulose fibers. These papers are transparent and are used in the field of industrial design or by architects. Such papers have a grayish color. Transparent papers are also known which are obtained by transparentization of opaque papers using chemical compositions, based on a non-volatile liquid or a wax. These papers are commonly called transparentized papers.
- This kind of paper called “crystal paper” or “glassine” is easily recognizable by the very high smoothness of its surface. Said smoothness being the direct consequence of the crushing to which it was subjected in the grille to make it transparent. Bekk smoothness measurement generally exceeds 2,000 seconds for papers of this kind.
- the technique used to make the base paper does not require very sophisticated refining of the fibers before the sheets are formed.
- Tracing papers are also known which have a slightly bluish color and which are used by architects in conjunction with "diazo" paper, these papers being used for the reproduction of plans. Likewise, tracing papers are known which have a slightly pink color and which are used for industrial drawing.
- Document DE-C-603 554 describes a process for manufacturing printing paper, cardboard for printing or other cardboard by assembling sheets of unfinished, wet paper containing dyes or fillers with layers of usual paper. This process is such that fillers or dyes are added in an amount of once or twice the dry weight of the fibers and the paper layers are thus laminated. This document therefore relates to the manufacture of paper or cardboard which comprise several layers of fibers. In no way does this document relate to the manufacture of colored tracing paper.
- Document EP-A-0 097 371 relates to a process for manufacturing paper or other similar products by suspending fibrous material in a pulper, grinding the pulp to shorten, fibrillate and hydrate the fibers, optionally the mixture of the mass of fibers obtained with additives, dyes and / or binders, and passage over a grid, this process being characterized in that 10 to 35% by weight of cellulose is replaced by reinforcing agents.
- These reinforcing agents can be reinforcing agents based on corn, rice and wheat. Therefore, this document is absolutely not about making a layer. It only describes the manufacture of a paper, optionally with bulk dyes and with additives based on corn, rice, etc.
- Document US-A-2 128 739 relates to a laminated paper made from two sheets of paper between which a film of wax is interposed. The result is a laminated sheet that resists grease and moisture.
- a colored or tinted product can optionally be introduced into the fiber suspension.
- This document describes the coloring of a paper during the papermaking process by adding a dye. It is well mentioned that the gloss and the opacity of the paper are maintained. The coloring of the paper is checked with the brightness value L, the value a of color difference between red and green and the value b which is the difference value between yellow and blue. This document absolutely does not describe the making of colored tracing paper. It only describes how we can adjust colorings of a paper by measuring L, a and b.
- Document DE-C-250 533 relates to a process for coloring paper in bulk.
- the dye solution from there is brought to the headbox using a pipe.
- Document JP-A-49 125 614 describes the reduction of wood pulp in the presence of a hydrosulfite reducing agent and sodium hydroxide.
- the pulp is mixed with a water-soluble dye. It is therefore not a process for manufacturing tracing paper.
- the present invention aims to provide a translucent and / or transparent paper made up of very refined fibers at a very high Schoper degree, at least greater than 80 or a paper transparentized by means of a chemical composition which has an intense color and which has a Bekk smoothness less than 2000 seconds, preferably less at 30 seconds, the cellulose of which is 100% in the form of fibers and which can be used in the field of printing and / or writing.
- the present invention also aims to provide a tracing paper comprising a high percentage of dye.
- the present invention also aims to provide a very colored tracing paper having a good look.
- the invention also aims to provide a method of manufacturing a very colored tracing paper or a very colored transparentized paper.
- a first way is to perform a double-sided printing on the paper.
- the inventors have carried out numerous tests consisting in carrying out such a printing on the upper face and the lower face of a translucent / and / or transparent paper, more particularly a tracing paper obtained with very refined fibers.
- a tracing paper obtained with very refined fibers.
- the transparency is greatly impaired and the printability is degraded.
- a second means for coloring a paper is to carry out a coating on the upper face and the lower face, this coating being carried out with a composition containing dyes, fillers and a binder.
- the inventors have therefore coated a translucent / and / or transparent paper with a colored composition. However, the more the percentage of dye is increased, the more transparency is lost.
- a third way to color a paper is to introduce a dye into the aqueous suspension of cellulosic fibers. This technique can only be used if the dye is introduced into the upstream part of the circuits where the paper pulp is mixed with water and the other traditional constituents of the paper. Indeed, it is necessary that the dye remains in contact with the cellulosic fibers for a sufficient time for the dye to attach to the fibers.
- Those skilled in the art know that if the amount of dye is increased, only a certain portion of dye is fixed on the fibers, because once the sites of the fibers are occupied by the dye, no additional dye can be fixed. Those skilled in the art therefore believe that it is impossible to fix more than about 5% by weight of liquid dye relative to the finished paper. In addition, the more colorant is introduced, the more it is rejected into the drip water, which causes pollution of the machine circuits and the environment.
- a fourth way is to color the tracing paper after the drying rollers, in size-press.
- such a method does not make it possible to obtain an intense shade of the paper.
- a transparent and / or translucent colored paper which has a Bekk smoothness of less than 2000, preferably less than 30 seconds;
- a transparent and / or translucent paper namely a paper comprising very refined fibers (tracing paper) or a paper transparentized by a chemical composition, having a good look and an intense shade.
- the inventors have produced a transparent and / or translucent paper comprising very refined fibers with a Sch ⁇ pper degree at least greater than 80 or obtained by transparentization, having a Bekk smoothness less than 2000, preferably less than 30 seconds, of which the cellulose is 100% in the form of fibers and / or fibrils, by mass introduction of a dye.
- This paper has a defined intense or dark color and is such that the color intensity c (or chroma) and the brightness L measured on a Hunterlab or Datacolor type device are as follows: - either the ratio of c to L is greater than 50%, preferably greater than 60% and more preferably slightly greater than 70%,
- -or L is less than or equal to 60, preferably less than or equal to 50, -or the ratio of c to L is greater than 50%, preferably greater than 60% and more preferably greater than 70% and L is less than or equal to 60, preferably less than or equal to 50.
- the inventors have surprisingly obtained such paper by refining the pulp to a Schoper degree at least greater than
- the inventors believe that because the fibers are very refined, that is to say that they contain many fibrils, the number of dye binding sites is increased and that for a same weight of paper obtained with unrefined fibers, the amount of fixed dye can be increased, up to 4 times. Furthermore, since the fibers are very refined, the dye can be introduced in the headbox, since the contact time between the fibers and the dye does not have to be very long, the fibers having numerous sites fixing the dye, due to the presence of numerous fibrils. In addition, during the manufacture of a transparent and / or translucent paper, the temperature of the fibrous suspension is adjusted between approximately 80 and 100 ° C. to allow better drainage of the paper sheet. However, these relatively high temperatures are very favorable for fixing the dyes on the fibers. During the production of a paper transparentized by a chemical composition, the chemical phenomena different from those mentioned above unexpectedly lead to a transparentized paper having an intense color.
- the inventors have surprisingly prepared an intense colored transparentized paper by producing an aqueous suspension. of fibers and of a water-soluble dye, by depositing the said suspension on a flat table of a paper machine, removing the water by gravity, then drying the sheet between drying rollers, depositing on the thus dried sheet a chemical composition of transparency and finally drying the sheet.
- the introduction of the dye into the headbox avoids polluting the part of the machine between the pulper and the headbox.
- the water leaving the drip contains very little dye, and therefore the pollution is reduced.
- each particle of dye plays a visible role.
- the dye which is in the mass of the paper is visible.
- only the dye which is on the surface of the paper is visible, and therefore, to have an intense shade, it is necessary to introduce a lot more dye.
- the invention further relates to a transparent and / or translucent paper comprising a bulk dye introduced into the headbox on which a dye has been deposited in an aqueous medium in size press, in order to obtain an increase in intensity when the same dye and material effects when using a different dye.
- the invention further relates to a transparent and / or translucent paper comprising in mass or in size press a fluorescent dye and optionally one or more other dyes soluble in water.
- Figure 1 is a diagram representing the coordinates obtained with a color measuring device for the papers according to the invention.
- FIG. 2 is a diagram showing on the abscissa the values of L and on the ordinate the values of c for papers according to the invention and papers of the prior art.
- the hues are characterized by a polar coordinate system L, c, H. It is also possible to use an orthogonal coordinate system L, a, b.
- the first parameter L is the luminance of the tint. It is between 0 and 100 and indicates whether the tint is dark (0) or light (100).
- the luminance L is noted on the abscissa and the saturation c on the ordinate.
- papers comprising very refined fibers (or tracing papers) or colored transparentized papers are such that the color intensity c and the brightness L are defined as follows:
- either the ratio of c to L is greater than 50%, preferably greater than 60% and more preferably greater than 70%,
- -or L is less than or equal to 60, preferably less than or equal to 50, -or the ratio of c to L is greater than 50%, preferably greater than 60% and more preferably greater than 70% and L is less than or equal to 60, preferably less than or equal to 50.
- the white papers as well as the papers of light colors and little saturated are located in the sector at the bottom right of the graph of Figure 2 and are represented by squares. They are not part of the present invention.
- the tracing papers or transparencies having vivid and very saturated colors which are the subject of the present invention are found in the area at the top right of the graph in FIG. 2; tracing papers or transparencies having dark tints according to the present invention are found on the left side of the graph.
- the papers according to the present invention are represented by dots on the graph of Figure 2.
- Comparative Example 1 Long fibers of a paper pulp obtained from conifers are suspended in water in a pulper, and they are refined in a refiner, until a schopper degree of 60 is obtained. temperature of the aqueous fiber suspension at a temperature of 80-100 ° C. Then, the aqueous suspension of fibers is deposited on the canvas of a paper machine with a flat table, the water is removed by gravity. The relatively high temperature of the aqueous suspension is necessary to remove water by gravity, the fibers having a great affinity for water due to the presence of numerous fibrils. Then the sheet is pressed to remove the residual water. The sheet is then dried between drying rollers. We then obtain a transparent paper. This paper is a traditional greyish colored tracing paper.
- An ink composed of a binder, a solvent and 15% by weight of a blue dye is prepared.
- the tracing paper obtained above is printed by flexographic printing, on both sides. We get a blue colored paper. The paper has lost its transparency. It may have certain appearance defects due to printing. The coloring is not uniform. Printing ink on paper changes the surface finish, and therefore printability. Tracing paper printed with fatty ink including the dye is more difficult to print.
- a tracing paper is prepared as in Comparative Example 1.
- An aqueous composition is then prepared containing the dye, fillers and a latex. This composition is then deposited by coating on both sides. There are many machinability problems. The coloring of tracing paper by coating also makes it lose its transparency. In addition, coating a tracing paper would cause very significant curling of the paper.
- the color of the paper obtained is measured using, for example, an apparatus manufactured by the company Hunterlab. Such a device makes it possible to measure the Cartesian coordinates in three directions a, b, L of a point P of a color.
- point P is identified according to the four colors blue, red, yellow and green. If a is positive, the color turns red, if a is negative, the color is greener. If b is positive, the color turns yellow, if b is negative, the color is more blue. In the figure, point P represents a fairly red and a little yellow color, so it is an orange color.
- the third coordinate, perpendicular to the plane of a and b, represents the brightness of the color.
- the Hunterlab device also makes it possible to measure the polar coordinates of the point P.
- the distance between the center O and the point P is c and called chroma. It represents the intensity of the color.
- the angle H makes it possible to locate the point P in relation to the four colors yellow, red, blue, green.
- a transparent paper is prepared in the same manner as in Example 1, but a red dye is added to the headbox, which is a dye from the company Clariant, of the same brand as that of Example 1 and of reference 2RF .
- the amount of dye is 10% by weight relative to the weight of the finished paper.
- the color of the paper is measured as in Example 1. The values are given in Table I which follows. Examples 3 to 5
- Papers are made in the same manner as in Example 1, using yellow dyes 5GFN and RF from the company Clariant and of the same brand as those of the previous examples. They are mixed with the red 2RF dye to obtain a yellow, or orange or carmine hue. The color of the papers obtained is measured in the same way as in the previous examples. The results are given in the following Table I.
- a traditional tracing paper is prepared as in Comparative Example 1. Then, a blue dye from Clariant, reference 3RF, is deposited in an aqueous solution in size press. The paper obtained has a bluish color. We measure with a Huntelab device and we obtain a c / L ratio of 10%.
- a paper is prepared as in Example 2 by introducing the dye into the headbox. Then in size press, a red dye is deposited in an aqueous solution. A red-colored paper is obtained, the c / l ratio of which is 90%, of a more intense shade than in Example 2.
- transparent and / or translucent papers can be obtained whose color intensity c is very high compared to the papers of the prior art.
- these papers are obtained according to a new process which avoids pollution of paper machine circuits, which rejects only very little colored water.
- the papers according to the invention are located in the upper left from the right A and the right C, and preferably from the right B and the right D.
- Papers such as L> 60 and c / L ⁇ 50% simultaneously are located in the lower right of the diagram and are papers of the prior art.
Landscapes
- Paper (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9708990 | 1997-07-10 | ||
FR9708990A FR2765898B1 (fr) | 1997-07-10 | 1997-07-10 | Papier calque de couleur |
PCT/FR1998/000930 WO1999002774A1 (fr) | 1997-07-10 | 1998-05-07 | Papier calque de couleur |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0927279A1 true EP0927279A1 (fr) | 1999-07-07 |
EP0927279B1 EP0927279B1 (fr) | 2005-04-06 |
EP0927279B8 EP0927279B8 (fr) | 2005-06-22 |
Family
ID=9509255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98924408A Expired - Lifetime EP0927279B8 (fr) | 1997-07-10 | 1998-05-07 | Papier calque de couleur |
Country Status (11)
Country | Link |
---|---|
US (1) | US6630056B1 (fr) |
EP (1) | EP0927279B8 (fr) |
JP (1) | JP4592834B2 (fr) |
KR (1) | KR100588860B1 (fr) |
AU (1) | AU742530B2 (fr) |
CA (1) | CA2265450C (fr) |
DE (2) | DE69829636T9 (fr) |
ES (1) | ES2241144T3 (fr) |
FR (2) | FR2765898B1 (fr) |
GB (1) | GB2333303B8 (fr) |
WO (1) | WO1999002774A1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790014B1 (fr) * | 1999-02-18 | 2001-06-08 | Thibierge Et Comar | Papier transparent ou translucide comportant des elements optiques solides en masse ou en surface |
FR2808540B1 (fr) * | 2000-05-04 | 2008-11-28 | Thibierge 2 Comar S A | Papier transparent et/ou translucide de couleur fluorescente |
US20020035107A1 (en) * | 2000-06-20 | 2002-03-21 | Stefan Henke | Highly concentrated stable meloxicam solutions |
DE10161077A1 (de) | 2001-12-12 | 2003-06-18 | Boehringer Ingelheim Vetmed | Hochkonzentrierte stabile Meloxicamlösungen zur nadellosen Injektion |
US8992980B2 (en) | 2002-10-25 | 2015-03-31 | Boehringer Ingelheim Vetmedica Gmbh | Water-soluble meloxicam granules |
EP1568369A1 (fr) * | 2004-02-23 | 2005-08-31 | Boehringer Ingelheim Vetmedica Gmbh | Utilisation du meloxicam pour le traitement de maladies respiratoires des porcs |
BRPI0506938A (pt) * | 2005-08-25 | 2007-07-24 | Boise White Paper L L C | papel de liberação de baixa opacidade, protetor de papel de liberação e métodos |
FR2910500B1 (fr) * | 2006-12-22 | 2010-01-01 | Arjowiggins | Procede de fabrication d'un papier calque |
EP1985677B1 (fr) | 2007-04-25 | 2010-05-12 | Sihl GmbH | Laminés de papier/film transparent adhésif |
FR2929965B1 (fr) * | 2008-04-11 | 2010-05-21 | Arjowiggins Licensing Sas | Feuille de securite comportant un ruban presentant une zone d'opacite reduite. |
CN102647971B (zh) | 2009-10-12 | 2016-03-16 | 贝林格尔.英格海姆维特梅迪卡有限公司 | 用于包含美洛昔康的组合物的容器 |
SG183846A1 (en) | 2010-03-03 | 2012-10-30 | Boehringer Ingelheim Vetmed | Use of meloxicam for the long-term treatment of musculoskeletal disorders in cats |
US9795568B2 (en) | 2010-05-05 | 2017-10-24 | Boehringer Ingelheim Vetmedica Gmbh | Low concentration meloxicam tablets |
RU2471911C1 (ru) * | 2011-09-06 | 2013-01-10 | Российская Федерация в лице Министерства промышленности и торговли Российской Федерации | Способ получения окрашенной бумаги |
JP2016074991A (ja) * | 2014-10-03 | 2016-05-12 | 日本製紙株式会社 | 着色グラシン紙 |
AT525436B1 (de) * | 2022-02-11 | 2023-04-15 | Mondi Ag | Transparentpapier |
CN115652691A (zh) * | 2022-09-06 | 2023-01-31 | 广东轻工职业技术学院 | 一种高性能细菌纤维素/植物纤维复合色纸及其制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE250533C (fr) * | ||||
DE250553C (fr) | ||||
DE603554C (de) * | 1931-07-28 | 1936-03-24 | Ernst Fues Dr | Verfahren zur Herstellung mehrschichtiger Druckpapiere, -kartons oder -pappen |
US2128739A (en) * | 1935-07-06 | 1938-08-30 | Glassine Paper Company | Laminated glassine paper |
JPS49125614A (fr) * | 1973-04-13 | 1974-12-02 | ||
JPS52128414A (en) * | 1976-04-19 | 1977-10-27 | Mitsubishi Paper Mills Ltd | Production of transpalent paper |
DE3223149C1 (de) * | 1982-06-22 | 1984-01-19 | Hermann 4020 Mettmann Frey | Verfahren zur Herstellung von Papier oder dergleichen Werkstoffe |
US5131910A (en) * | 1989-09-29 | 1992-07-21 | Bayer (Canada) Inc. | Method of coloring or tinting paper: adding red, yellow and blue dyes in selected proportions to base furnish |
US5543382A (en) | 1993-12-27 | 1996-08-06 | New Oji Paper Co., Ltd. | Heat-sensitive recording paper |
JPH07266510A (ja) * | 1994-04-01 | 1995-10-17 | Mitsubishi Paper Mills Ltd | カラー透明紙 |
JPH083899A (ja) * | 1994-06-20 | 1996-01-09 | Mitsubishi Paper Mills Ltd | 色物透明紙 |
JP3638667B2 (ja) * | 1994-09-27 | 2005-04-13 | 三菱製紙株式会社 | 貼合わせ透明紙 |
JPH08202069A (ja) * | 1995-01-20 | 1996-08-09 | Mitsubishi Paper Mills Ltd | 電子写真用透明転写紙の製造方法 |
JPH08209586A (ja) * | 1995-01-25 | 1996-08-13 | Mitsubishi Paper Mills Ltd | 透明紙の製造方法 |
-
1997
- 1997-07-10 FR FR9708990A patent/FR2765898B1/fr not_active Expired - Fee Related
-
1998
- 1998-05-07 JP JP50822199A patent/JP4592834B2/ja not_active Expired - Fee Related
- 1998-05-07 GB GB9905536A patent/GB2333303B8/en not_active Expired - Fee Related
- 1998-05-07 WO PCT/FR1998/000930 patent/WO1999002774A1/fr active IP Right Grant
- 1998-05-07 FR FR9806138A patent/FR2765899B1/fr not_active Expired - Fee Related
- 1998-05-07 EP EP98924408A patent/EP0927279B8/fr not_active Expired - Lifetime
- 1998-05-07 KR KR1019997001784A patent/KR100588860B1/ko not_active IP Right Cessation
- 1998-05-07 CA CA002265450A patent/CA2265450C/fr not_active Expired - Fee Related
- 1998-05-07 US US09/254,447 patent/US6630056B1/en not_active Expired - Fee Related
- 1998-05-07 DE DE69829636T patent/DE69829636T9/de active Active
- 1998-05-07 ES ES98924408T patent/ES2241144T3/es not_active Expired - Lifetime
- 1998-05-07 DE DE98924408T patent/DE98924408T1/de active Pending
- 1998-05-07 AU AU76616/98A patent/AU742530B2/en not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO9902774A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2765899B1 (fr) | 1999-10-01 |
DE98924408T1 (de) | 2005-03-31 |
FR2765899A1 (fr) | 1999-01-15 |
KR20010029461A (ko) | 2001-04-06 |
GB2333303A8 (en) | 2005-08-22 |
ES2241144T3 (es) | 2005-10-16 |
GB2333303A (en) | 1999-07-21 |
DE69829636T2 (de) | 2005-11-03 |
EP0927279B1 (fr) | 2005-04-06 |
JP4592834B2 (ja) | 2010-12-08 |
US6630056B1 (en) | 2003-10-07 |
AU7661698A (en) | 1999-02-08 |
CA2265450A1 (fr) | 1999-01-21 |
FR2765898A1 (fr) | 1999-01-15 |
GB2333303B (en) | 2002-02-13 |
GB9905536D0 (en) | 1999-05-05 |
DE69829636T9 (de) | 2006-02-23 |
KR100588860B1 (ko) | 2006-06-14 |
GB2333303B8 (en) | 2005-08-22 |
FR2765898B1 (fr) | 1999-10-01 |
JP2002503297A (ja) | 2002-01-29 |
EP0927279B8 (fr) | 2005-06-22 |
DE69829636D1 (de) | 2005-05-12 |
WO1999002774A1 (fr) | 1999-01-21 |
CA2265450C (fr) | 2007-07-24 |
AU742530B2 (en) | 2002-01-03 |
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