CH689291GA3 - A process for preparing resist printing stains. - Google Patents
A process for preparing resist printing stains.Info
- Publication number
- CH689291GA3 CH689291GA3 CH01539/95A CH153995A CH689291GA3 CH 689291G A3 CH689291G A3 CH 689291GA3 CH 01539/95 A CH01539/95 A CH 01539/95A CH 153995 A CH153995 A CH 153995A CH 689291G A3 CH689291G A3 CH 689291GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- sep
- weight
- parts
- printing
- textile material
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/001—Special chemical aspects of printing textile materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/12—Reserving parts of the material before dyeing or printing ; Locally decreasing dye affinity by chemical means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
- D06P3/54—Polyesters using dispersed dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
- D06P3/8238—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using different kinds of dye
- D06P3/8252—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using different kinds of dye using dispersed and reactive dyes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Description
Gegenstand der Erfindung ist ein Verfahren zur Herstellung von Reservedruck-Färbungen auf zweidimensionalen Textilmaterialien, welches dadurch gekennzeichnet ist, dass man die zur Reservierung vorgesehenen Stellen der Oberseite des Textilmaterials mit einem Hydrophobierungsmittel, enthaltend ein Fluorocarbon-Polymerisat oder -Copolymerisat im Gemisch mit einem wässrigen Isocyanat-Vernetzungsmittel, imprägniert, das Textilmaterial trocknet, die Imprägnierung fixiert und das Textilmaterial anschliessend als Ganzes, einseitig, von der Rückseite her, einer Färbebehandlung mit einer wässrigen Flotte unterzieht. The invention relates to a process for the production of reserve printing dyeings on two-dimensional textile materials, which is characterized in that the places on the upper side of the textile material intended for reservation are treated with a hydrophobizing agent containing a fluorocarbon polymer or copolymer mixed with an aqueous isocyanate Crosslinking agent, impregnated, the textile material dries, the impregnation is fixed and then the textile material as a whole, on one side, from the back, is subjected to a dyeing treatment with an aqueous liquor.
Die Fixierung der Imprägnierung mit dem Hydrophobierungsmittel erfolgt auf übliche Weise, z.B. durch eine Hitzebehandlung. The impregnation is fixed in the usual way, e.g. by heat treatment.
Dabei kann man sowohl Weissreservedrucke als auch, wenn man der Paste mit dem Hydrophobierungsmittel einen Farbstoff zusetzt, Buntreservedrucke herstellen. Both white reserve prints and, if a dye is added to the paste with the hydrophobizing agent, colored reserve prints can be produced.
Das erfindungsgemässe Verfahren ist äusserst rationell und umweltfreundlich: Die Reserven auf den Substraten werden ohne Zerstörung von Farbstoffen und ohne übermässigen Einsatz von Färbereihilfsmitteln, insbesondere aggressiven bzw. umweltschädlichen Chemikalien erhalten. The process according to the invention is extremely efficient and environmentally friendly: the reserves on the substrates are obtained without destroying dyes and without excessive use of dyeing aids, in particular aggressive or environmentally harmful chemicals.
Ein wesentlicher Punkt beim erfindungsgemässen Verfahren ist das Hydrophobierungsmittel. Es verhindert die Imprägnierung der mit ihm bedruckten Stellen mit der anschliessend von der Rückseite her applizierten Färbeflotte, so dass an den mit ihm bedruckten Stellen eine spätere Färbung nicht erfolgen kann. An essential point in the process according to the invention is the hydrophobizing agent. It prevents the areas printed with it from being impregnated with the dye liquor which is subsequently applied from the rear, so that later dyeing cannot take place at the areas printed with it.
Der zweite wesentliche Punkt ist die Art der Fondfärbung, wobei die Färbeflotte nur von der Rückseite her appliziert wird. Diese Massnahme ermöglicht die Herstellung exakt scharfer Muster (Weiss- und Buntreserven) auf der Vorderseite. The second essential point is the type of fund coloring, whereby the dye liquor is only applied from the back. This measure enables the production of precisely sharp patterns (white and colored reserves) on the front.
Die im erfindungsgemässen Verfahren verwendeten Hydrophobierungsmittel sind Fluorocarbon-Polymerisate und -Copolymerisate, insbesondere die im Handel befindlichen Perfluoralkyl/Acryl-Copolymeren, die in wässrig-organischer Lösung vorliegen. Diese lassen sich auf den erfindungsgemäss zu behandelnden Substraten so fixieren, dass sie zumindest den nachfolgenden Färbeprozess überstehen, ohne wesentlich auszubluten. Bevorzugt sind nicht-ionogene Hydrophobierungsmittel, in manchen Fällen erfüllen aber auch (schwach) anionaktive oder kationaktive Verbindungen den gewünschten Zweck. The hydrophobizing agents used in the process according to the invention are fluorocarbon polymers and copolymers, in particular the commercially available perfluoroalkyl / acrylic copolymers which are present in aqueous-organic solution. These can be fixed on the substrates to be treated according to the invention in such a way that they at least survive the subsequent dyeing process without bleeding out significantly. Nonionic water repellents are preferred, but in some cases (weakly) anionic or cationic compounds also serve the desired purpose.
Durch die speziellen Vernetzungsmittel, wie Hydroperm MF flüssig (wässrige Isocyanatverbindung), werden die Hydrophobiereffekte verbessert. The special cross-linking agents, such as Hydroperm MF liquid (aqueous isocyanate compound), improve the water repellency effects.
Das Fondfärben von der Rückseite des Substrats her erfolgt z.B. mittels einer sogenannten 1000-Punkt-Walze, einer Pflatschwalze (auf einer Rotationsfilmdruckmaschine), einer Bodenschablone (auf einer Flachfilmdruckanlage) oder einer Pflatsch- oder Sprüheinrichtung. Fond coloring from the back of the substrate is done e.g. by means of a so-called 1000-point roller, a squeegee roller (on a rotary film printing machine), a floor stencil (on a flat film printing system) or a slapping or spraying device.
Im Prinzip können alle aus wässriger Lösung färbbaren Substrate erfindungsgemäss behandelt werden. Das Bedrucken mit dem Hydrophobierungsmittel und gegebenenfalls einem Farbstoff/Farbstoffgemisch erfolgt auf allgemein bekannte Weise. Die entsprechenden Druckpasten enthalten ein übliches Verdickungsmittel und gegebenenfalls weitere Druckhilfsmittel, z.B. geringe Mengen eines Netzmittels und/oder Fixierbeschleuniger und/oder Puffersubstanzen. In principle, all substrates that can be dyed from aqueous solution can be treated according to the invention. Printing with the hydrophobizing agent and optionally a dye / dye mixture is carried out in a generally known manner. The corresponding printing pastes contain a conventional thickening agent and optionally other printing aids, e.g. small amounts of a wetting agent and / or fixing accelerator and / or buffer substances.
Dementsprechend sieht die vorliegende Erfindung weiter ein Verfahren wie oben beschrieben vor, das dadurch gekennzeichnet ist, dass die Imprägnierung mit dem Hydrophobierungsmittel mit einer Druckpaste erfolgt und dass diese Druckpaste zur Erzielung von Buntreserven einen Farbstoff oder ein Gemisch von Farbstoffen enthält. Accordingly, the present invention further provides a method as described above, which is characterized in that the impregnation with the hydrophobizing agent is carried out with a printing paste and that this printing paste contains a dye or a mixture of dyes to achieve colored reserves.
Das Hydrophobierungsmittel wird im allgemeinen in Mengen von 30 bis 100 g/kg Druckpaste eingesetzt. Nach dem Bedrucken wird das Substrat getrocknet, danach das Hydrophobierungs- und Vernetzungsmittel und gegebenenfalls vorhandener Farbstoff fixiert und das Substrat dann gegebenenfalls durch Waschen vom Verdickungsmittel und den eventuell vorhandenen übrigen Hilfsmitteln befreit. Vorzugsweise wird das Fixieren, in Abhängigkeit von der Art des Fixiermittels und des gegebenenfalls mitverwendeten Farbstoffs, z.B. durch trockene Hitzebehandlung oder mit Hilfe von Heissdampf oder mit Sattdampf bei 102 DEG C durchgeführt. Nach dem Fixieren und, falls gewaschen wurde, nach dem Trocknen des Druckes wird das Substrat als Ganzes, wie oben angegeben, von der Rückseite her überfärbt, anschliessend fixiert und auf übliche Weise, durch nochmaliges Waschen und/oder Spülen, fertiggestellt. The hydrophobizing agent is generally used in amounts of 30 to 100 g / kg of printing paste. After printing, the substrate is dried, then the hydrophobizing and crosslinking agent and any dye present are fixed, and the substrate is then, if necessary, freed of the thickener and any other auxiliaries present by washing. The fixing is preferably carried out, depending on the type of fixing agent and any dye used, e.g. by dry heat treatment or with the help of superheated steam or saturated steam at 102 ° C. After fixing and, if washed, after drying the print, the substrate as a whole, as stated above, is over-dyed from the back, then fixed and finished in the usual way, by washing again and / or rinsing.
Wie schon gesagt, können alle aus wässriger Lösung färbbaren, faserhaltigen Substrate, z.B. in Form von Geweben, Gewirken, Vliesen oder Teppichen, erfindungsgemäss behandelt werden. Auch Substrate aus Fasergemischen können so behandelt werden. As already said, all fibrous substrates dyeable from aqueous solution, e.g. in the form of fabrics, knitted fabrics, nonwovens or carpets, are treated according to the invention. Substrates made from fiber mixtures can also be treated in this way.
In dem folgenden Beispiel bedeuten die Teile Gewichtsteile und die Prozente Gewichtsprozente. Die Temperaturen sind in Celsiusgraden angegeben. In the following example, parts are parts by weight and percentages are percentages by weight. The temperatures are given in degrees Celsius.
Beispiel example
Ein Gewebe, bestehend aus 100% Baumwolle Satin mercerisiert wird mit folgender Reservedruckpaste mittels einer Flachschablone musterförmig bedruckt: <tb><TABLE> Columns=3 <tb><SEP>C.I. Reactive Blue 207 (Handelsform)<SEP>50<SEP>Gewichtsteile <tb><SEP>Harnstoff<SEP>100<CEL AL=L>Gewichtsteile <tb><SEP>m-Nitrobenzolsulfonsaures Natrium<SEP>10<SEP>Gewichtsteile <tb><CEL AL=L>Natriumbikarbonat<SEP>25<SEP>Gewichtsteile <tb><SEP>Wasser<SEP>205<SEP>Gewichtsteile <tb><CEL AL=L>Natrium-Alginatverdickung 10%ig<SEP>500<SEP>Gewichtsteile <tb><SEP>Fluorcarbon-Polymerisat (Handelsname Sandofluor GPC)<SEP>80<SEP>Gewichtsteile <tb><SEP>wässrige Isocyanatverbindung (Handelsname Hydroperin MF)<CEL AL=L>30<SEP>1000<SEP>Gewichtsteile Gewichtsteile <tb></TABLE> A fabric consisting of 100% mercerized cotton is pattern-printed with the following reserve printing paste using a flat stencil: <tb> <TABLE> Columns = 3 <tb> <SEP> C.I. Reactive Blue 207 (commercial form) <SEP> 50 <SEP> parts by weight <tb> <SEP> urea <SEP> 100 <CEL AL = L> parts by weight <tb> <SEP> m-nitrobenzenesulfonic acid sodium <SEP> 10 <SEP> parts by weight <tb> <CEL AL = L> sodium bicarbonate <SEP> 25 <SEP> parts by weight <tb> <SEP> water <SEP> 205 <SEP> parts by weight <tb> <CEL AL = L> Sodium alginate thickening 10% <SEP> 500 <SEP> parts by weight <tb> <SEP> fluorocarbon polymer (trade name Sandofluor GPC) <SEP> 80 <SEP> parts by weight <tb> <SEP> aqueous isocyanate compound (trade name Hydroperin MF) <CEL AL = L> 30 <SEP> 1000 <SEP> parts by weight parts by weight <tb> </TABLE>
Nach dem Trocknen bei 110 DEG wird der Druck 30 Sekunden bei 170 DEG mit Heissluft fixiert und mit einer Flotte folgender Zusammensetzung von der Rückseite her übergossen: <tb><TABLE> Columns=3 <tb><SEP>C.I. Reactive Black 8 (Handelsform)<SEP>70<SEP>Gewichtsteile <tb><SEP>Harnstoff<SEP>50<CEL AL=L>Gewichtsteile <tb><SEP>Wasser<SEP>745<SEP>Gewichtsteile <tb><SEP>Natrium-Alginatverdickung 10%ig<CEL AL=L>100<SEP>Gewichtsteile <tb><SEP>m-Nitrobenzolsulfonsaures Natrium<SEP>10<SEP>Gewichtsteile <tb><CEL AL=L>Natriumbikarbonat<SEP>25<SEP>1000<SEP>Gewichtsteile<SEP>Gewichtsteile <tb></TABLE> After drying at 110 °, the pressure is fixed with hot air at 170 ° for 30 seconds and poured over from the back with a liquor of the following composition: <tb> <TABLE> Columns = 3 <tb> <SEP> C.I. Reactive Black 8 (commercial form) <SEP> 70 <SEP> parts by weight <tb> <SEP> urea <SEP> 50 <CEL AL = L> parts by weight <tb> <SEP> water <SEP> 745 <SEP> parts by weight <tb> <SEP> Sodium alginate thickening 10% <CEL AL = L> 100 <SEP> parts by weight <tb> <SEP> m-nitrobenzenesulfonic acid sodium <SEP> 10 <SEP> parts by weight <tb> <CEL AL = L> sodium bicarbonate <SEP> 25 <SEP> 1000 <SEP> parts by weight <SEP> parts by weight <tb> </TABLE>
Anschliessend wird mittels eines Vakuumschlitzes von der Rückseite her soviel Flotte abgesaugt, dass eine Flottenaufnahme von 80% bezogen auf das Warengewicht resultiert. Then, by means of a vacuum slot, so much liquor is sucked off from the back that a liquor absorption of 80%, based on the weight of the goods, results.
Danach wird bei 110 DEG getrocknet, 10 Min. mit Sattdampf von 102 DEG gedämpft, kalt gespült und wie für Reaktivfarbstoffdrucke üblich kochend gewaschen, kalt gespült und getrocknet. Man erhält ein scharfbegrenztes türkisfarbenes Muster auf schwarzem Grund. It is then dried at 110 °, steamed for 10 minutes with saturated steam at 102 °, rinsed cold and, as is customary for reactive dye prints, washed at the boil, rinsed cold and dried. You get a sharply delimited turquoise pattern on a black background.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4419450 | 1994-06-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CH689291GA3 true CH689291GA3 (en) | 1999-02-15 |
CH689291B5 CH689291B5 (en) | 1999-08-13 |
Family
ID=6519725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH01539/95A CH689291B5 (en) | 1994-06-03 | 1995-05-24 | Process for the production of reserve pressure dyeings. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5554195A (en) |
JP (1) | JPH0841789A (en) |
CH (1) | CH689291B5 (en) |
DE (1) | DE19519347A1 (en) |
ES (1) | ES2101647B1 (en) |
FR (1) | FR2720762B1 (en) |
GB (1) | GB2289900B (en) |
IT (1) | IT1278088B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997027357A1 (en) * | 1996-01-23 | 1997-07-31 | A.W. Hainsworth & Sons Limited | Improvements in and relating to cloth |
US20020124323A1 (en) * | 2001-01-09 | 2002-09-12 | Cliver James D. | Process for patterning textile materials and fabrics made therefrom |
US6878171B1 (en) * | 2003-02-19 | 2005-04-12 | Scott Ball | Method for forming a distinct pattern in an article of apparel |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52110993A (en) * | 1976-03-15 | 1977-09-17 | Tanakanao Senriyouten Kk | Coloring resist printing method using of anoionic emulsion type fluoric water repelling agent |
JPS5331886A (en) * | 1976-09-03 | 1978-03-25 | Toyo Boseki | Resist printing method |
JPS5477787A (en) * | 1977-11-30 | 1979-06-21 | Suzunoya Kk | Resist style agent |
GB2022625A (en) * | 1978-06-08 | 1979-12-19 | Acna | Dyeing and printing of polyester fabrics |
JPS5982484A (en) * | 1982-11-01 | 1984-05-12 | ユニチカ株式会社 | Dyeing of knitted fabric having nap |
EP0289263A2 (en) * | 1987-05-01 | 1988-11-02 | Milliken Research Corporation | Fabric patterning process and product |
FR2617515A1 (en) * | 1987-06-30 | 1989-01-06 | Pons Teintures Impressions Jea | Process for printing on both faces of a textile article and printed double-faced fabric obtained with the aid of the process |
JPH03269186A (en) * | 1990-03-16 | 1991-11-29 | Miki Riken Kogyo Kk | Production of cloth product of melange pattern |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2189017A (en) * | 1936-02-19 | 1940-02-06 | Henry Dreyfus | Treatment of textile and other materials |
US2974395A (en) * | 1955-04-08 | 1961-03-14 | United Merchants & Mfg | Process of dyeing combination draperylining fabrics and product |
CH387589A (en) * | 1962-08-15 | 1965-05-15 | Geigy Ag J R | Process for printing fabrics with a reserve printing paste and dyeing the printed fabrics with reactive dyes |
US4254520A (en) * | 1978-09-29 | 1981-03-10 | Saurman Judith B | Batik process and apparatus |
DE3235348A1 (en) * | 1982-09-24 | 1984-03-29 | Hoechst Ag, 6230 Frankfurt | Printing of textile material |
DE3834322A1 (en) * | 1988-10-08 | 1990-04-26 | Bayer Ag | PERFLUORAL CYL GROUPS CONTAINING COPOLYMERISATE |
JPH0482980A (en) * | 1990-07-24 | 1992-03-16 | Kanebo Ltd | Production of fiber structure of multicolor dyed front and back surfaces |
-
1995
- 1995-05-24 CH CH01539/95A patent/CH689291B5/en not_active IP Right Cessation
- 1995-05-26 DE DE19519347A patent/DE19519347A1/en not_active Withdrawn
- 1995-05-31 FR FR9506556A patent/FR2720762B1/en not_active Expired - Fee Related
- 1995-05-31 GB GB9510991A patent/GB2289900B/en not_active Expired - Fee Related
- 1995-06-01 JP JP7135359A patent/JPH0841789A/en active Pending
- 1995-06-01 US US08/457,637 patent/US5554195A/en not_active Expired - Fee Related
- 1995-06-01 IT IT95RM000370A patent/IT1278088B1/en active IP Right Grant
- 1995-06-01 ES ES09501096A patent/ES2101647B1/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52110993A (en) * | 1976-03-15 | 1977-09-17 | Tanakanao Senriyouten Kk | Coloring resist printing method using of anoionic emulsion type fluoric water repelling agent |
JPS5331886A (en) * | 1976-09-03 | 1978-03-25 | Toyo Boseki | Resist printing method |
JPS5477787A (en) * | 1977-11-30 | 1979-06-21 | Suzunoya Kk | Resist style agent |
GB2022625A (en) * | 1978-06-08 | 1979-12-19 | Acna | Dyeing and printing of polyester fabrics |
JPS5982484A (en) * | 1982-11-01 | 1984-05-12 | ユニチカ株式会社 | Dyeing of knitted fabric having nap |
EP0289263A2 (en) * | 1987-05-01 | 1988-11-02 | Milliken Research Corporation | Fabric patterning process and product |
FR2617515A1 (en) * | 1987-06-30 | 1989-01-06 | Pons Teintures Impressions Jea | Process for printing on both faces of a textile article and printed double-faced fabric obtained with the aid of the process |
JPH03269186A (en) * | 1990-03-16 | 1991-11-29 | Miki Riken Kogyo Kk | Production of cloth product of melange pattern |
Non-Patent Citations (5)
Title |
---|
DATABASE WPI Section Ch Week 7743, Derwent World Patents Index; Class F06, AN 77-76956Y, XP002035422 * |
DATABASE WPI Section Ch Week 7818, Derwent World Patents Index; Class A11, AN 78-33058A, XP002035420 * |
DATABASE WPI Section Ch Week 7931, Derwent World Patents Index; Class A87, AN 79-57004B, XP002035421 * |
DATABASE WPI Section Ch Week 8425, Derwent World Patents Index; Class A35, AN 84-155592, XP002035423 * |
DATABASE WPI Section Ch Week 9203, Derwent World Patents Index; Class A87, AN 92-020399, XP002035424 * |
Also Published As
Publication number | Publication date |
---|---|
DE19519347A1 (en) | 1995-12-07 |
CH689291B5 (en) | 1999-08-13 |
ITRM950370A0 (en) | 1995-06-01 |
ES2101647B1 (en) | 1998-02-16 |
GB2289900A (en) | 1995-12-06 |
ES2101647A1 (en) | 1997-07-01 |
GB9510991D0 (en) | 1995-07-26 |
US5554195A (en) | 1996-09-10 |
ITRM950370A1 (en) | 1996-12-01 |
FR2720762A1 (en) | 1995-12-08 |
JPH0841789A (en) | 1996-02-13 |
FR2720762B1 (en) | 1998-07-10 |
IT1278088B1 (en) | 1997-11-17 |
GB2289900B (en) | 1998-09-30 |
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