DE68922024T2 - - Google Patents
Info
- Publication number
- DE68922024T2 DE68922024T2 DE68922024T DE68922024T DE68922024T2 DE 68922024 T2 DE68922024 T2 DE 68922024T2 DE 68922024 T DE68922024 T DE 68922024T DE 68922024 T DE68922024 T DE 68922024T DE 68922024 T2 DE68922024 T2 DE 68922024T2
- Authority
- DE
- Germany
- Prior art keywords
- tissue paper
- web
- polysiloxane
- surfactant
- starch
- 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
- 210000001519 tissue Anatomy 0.000 claims abstract description 155
- -1 polysiloxane Polymers 0.000 claims abstract description 151
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 130
- 238000000034 method Methods 0.000 claims abstract description 67
- 239000000835 fiber Substances 0.000 claims abstract description 62
- 239000004094 surface-active agent Substances 0.000 claims abstract description 54
- 229920002472 Starch Polymers 0.000 claims abstract description 48
- 235000019698 starch Nutrition 0.000 claims abstract description 48
- 239000008107 starch Substances 0.000 claims abstract description 46
- 230000008569 process Effects 0.000 claims abstract description 39
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 13
- 210000004872 soft tissue Anatomy 0.000 claims abstract description 9
- 230000000717 retained effect Effects 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000006467 substitution reaction Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 125000002091 cationic group Chemical group 0.000 claims description 6
- 239000002736 nonionic surfactant Substances 0.000 claims description 6
- 125000000524 functional group Chemical group 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000003093 cationic surfactant Substances 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 150000001299 aldehydes Chemical class 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 31
- 239000000123 paper Substances 0.000 description 153
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 11
- 230000014759 maintenance of location Effects 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 238000009736 wetting Methods 0.000 description 10
- 238000007792 addition Methods 0.000 description 9
- 239000000654 additive Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 8
- 238000004049 embossing Methods 0.000 description 8
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 229920001131 Pulp (paper) Polymers 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 description 5
- 229930182470 glycoside Natural products 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 229920002261 Corn starch Polymers 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 239000008120 corn starch Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 229920000881 Modified starch Polymers 0.000 description 3
- 239000004368 Modified starch Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 239000003945 anionic surfactant Substances 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000003995 emulsifying agent Substances 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000007646 gravure printing Methods 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000019426 modified starch Nutrition 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 2
- 229920000945 Amylopectin Polymers 0.000 description 2
- 229920000856 Amylose Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004737 colorimetric analysis Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 244000144725 Amygdalus communis Species 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 229920000548 poly(silane) polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
-
- 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
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Sanitary Thin Papers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20662188A | 1988-06-14 | 1988-06-14 | |
| US29991289A | 1989-01-19 | 1989-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68922024D1 DE68922024D1 (pt) | 1995-05-11 |
| DE68922024T2 true DE68922024T2 (pt) | 1995-09-28 |
Family
ID=26901520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE68922024T Expired - Fee Related DE68922024T2 (pt) | 1988-06-14 | 1989-06-13 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0347153B1 (pt) |
| AT (1) | ATE120820T1 (pt) |
| DE (1) | DE68922024T2 (pt) |
| ES (1) | ES2070174T3 (pt) |
| GR (1) | GR3015783T3 (pt) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950545A (en) * | 1989-02-24 | 1990-08-21 | Kimberly-Clark Corporation | Multifunctional facial tissue |
| US5215626A (en) * | 1991-07-19 | 1993-06-01 | The Procter & Gamble Company | Process for applying a polysiloxane to tissue paper |
| US5246545A (en) * | 1992-08-27 | 1993-09-21 | Procter & Gamble Company | Process for applying chemical papermaking additives from a thin film to tissue paper |
| US5246546A (en) * | 1992-08-27 | 1993-09-21 | Procter & Gamble Company | Process for applying a thin film containing polysiloxane to tissue paper |
| ATE144568T1 (de) * | 1992-08-27 | 1996-11-15 | Procter & Gamble | Verfahren zum aufbringen von chemischen papierherstellunghilfsmitteln aus einem dünnen film zum tissue papier |
| BR9508461A (pt) * | 1994-07-29 | 1998-06-09 | Procter & Gamble | Papel de seda macio |
| US5679218A (en) * | 1994-07-29 | 1997-10-21 | The Procter & Gamble Company | Tissue paper containing chemically softened coarse cellulose fibers |
| US5529665A (en) * | 1994-08-08 | 1996-06-25 | Kimberly-Clark Corporation | Method for making soft tissue using cationic silicones |
| CN1039506C (zh) * | 1994-09-12 | 1998-08-12 | 宝山钢铁(集团)公司 | 室内空间静电防治和泄漏方法 |
| ATE181754T1 (de) * | 1994-09-16 | 1999-07-15 | Sca Hygiene Prod Gmbh | Verfahren zur herstellung von tissuepapier unter verwendung eines behandlungsmittels |
| US5573637A (en) * | 1994-12-19 | 1996-11-12 | The Procter & Gamble Company | Tissue paper product comprising a quaternary ammonium compound, a polysiloxane compound and binder materials |
| US5624532A (en) * | 1995-02-15 | 1997-04-29 | The Procter & Gamble Company | Method for enhancing the bulk softness of tissue paper and product therefrom |
| ZA965679B (en) * | 1995-07-21 | 1997-01-24 | Kimberly Clark Co | Method for making soft tissue with improved bulk softness and surface softness |
| DE19711452A1 (de) | 1997-03-19 | 1998-09-24 | Sca Hygiene Paper Gmbh | Feuchtigkeitsregulatoren enthaltende Zusammensetzung für Tissueprodukte, Verfahren zur Herstellung dieser Produkte, Verwendung der Zusammensetzung für die Behandlung von Tissueprodukten sowie Tissueprodukte in Form von wetlaid einschließlich TAD oder Airlaid (non-woven) auf Basis überwiegend Cellulosefasern enthaltender flächiger Trägermaterialien |
| JP4255167B2 (ja) | 1999-05-24 | 2009-04-15 | 東レ・ダウコーニング株式会社 | 拭き取り紙用水系処理剤および拭き取り紙の処理方法 |
| DE19963835C2 (de) * | 1999-12-30 | 2002-03-28 | Sca Hygiene Prod Gmbh | Verfahren zur Applikation von Behandlungschemikalien auf flächige Erzeugnisse auf Faserbasis, insbesondere Tissue, und damit hergestellte Produkte |
| DE19963834C2 (de) * | 1999-12-30 | 2002-03-28 | Sca Hygiene Prod Gmbh | Verfahren zur Applikation von Behandlungschemikalien auf ein flächiges Erzeugnis auf Faserbasis und damit hergestellte Produkte |
| DE19963828A1 (de) * | 1999-12-30 | 2001-07-19 | Sca Hygiene Prod Gmbh | Verfahren zur schichtweisen Applikation von Behandlungschemikalien auf flächige Erzeugnisse auf Faserbasis und damit hergestellte Produkte |
| US6905697B2 (en) | 2001-01-19 | 2005-06-14 | Sca Hygiene Products Gmbh | Lotioned fibrous web having a short water absorption time |
| US6860967B2 (en) | 2001-01-19 | 2005-03-01 | Sca Hygiene Products Gmbh | Tissue paper penetrated with softening lotion |
| US20040084162A1 (en) | 2002-11-06 | 2004-05-06 | Shannon Thomas Gerard | Low slough tissue products and method for making same |
| DE102005036075A1 (de) * | 2005-08-01 | 2007-02-15 | Voith Patent Gmbh | Verfahren zur Herstellung von Tissuepapier |
| DE102005049502A1 (de) | 2005-10-13 | 2007-04-19 | Voith Patent Gmbh | Verfahren zur Herstellung von Tissuepapier |
| EP3231939A1 (de) | 2016-04-11 | 2017-10-18 | Fuhrmann, Uwe | Mehrlagiges papiertaschentuch zur reduzierung der übertragung von krankheitserregern |
| JP7384117B2 (ja) * | 2020-06-15 | 2023-11-21 | 王子ホールディングス株式会社 | 書籍用紙およびその製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028172A (en) * | 1974-04-15 | 1977-06-07 | National Starch And Chemical Corporation | Process of making paper |
-
1989
- 1989-06-13 DE DE68922024T patent/DE68922024T2/de not_active Expired - Fee Related
- 1989-06-13 AT AT89305939T patent/ATE120820T1/de not_active IP Right Cessation
- 1989-06-13 EP EP89305939A patent/EP0347153B1/en not_active Expired - Lifetime
- 1989-06-13 ES ES89305939T patent/ES2070174T3/es not_active Expired - Lifetime
-
1995
- 1995-04-13 GR GR950400913T patent/GR3015783T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0347153A3 (en) | 1991-05-02 |
| ES2070174T3 (es) | 1995-06-01 |
| GR3015783T3 (en) | 1995-07-31 |
| EP0347153A2 (en) | 1989-12-20 |
| ATE120820T1 (de) | 1995-04-15 |
| EP0347153B1 (en) | 1995-04-05 |
| DE68922024D1 (pt) | 1995-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
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