EP0391087A1 - Procédé et moyens pour l'addition de parfum à l'eau de lavage ou de rinçage - Google Patents
Procédé et moyens pour l'addition de parfum à l'eau de lavage ou de rinçage Download PDFInfo
- Publication number
- EP0391087A1 EP0391087A1 EP90104434A EP90104434A EP0391087A1 EP 0391087 A1 EP0391087 A1 EP 0391087A1 EP 90104434 A EP90104434 A EP 90104434A EP 90104434 A EP90104434 A EP 90104434A EP 0391087 A1 EP0391087 A1 EP 0391087A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fragrance
- water
- addition
- washing
- tablets
- 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.)
- Withdrawn
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
- C11D3/502—Protected perfumes
- C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/024—Devices for adding soap or other washing agents mounted on the agitator or the rotating drum; Free body dispensers
Definitions
- the invention relates to a method for producing washing or rinsing liquor to be enriched with fragrance in automatic washing machines and to a fragrance addition agent used to carry out this method.
- fragrances For washing textile goods in automatic washing machines, it is known to add a small amount of fragrances to the washing powder, which, after the washing powder has been washed into the washing liquor, have their effect and are intended to provide a corresponding odor-related improvement in the laundry contained therein.
- a scented finish used as a dishwashing liquid additive is said to have a similar effect.
- nonwovens impregnated with fragrances which are added to the items to be treated or dried not only for spin-drying but also for previous wash cycles in order to bring about their corresponding fragrance improvement. In all these known cases, however, the laundry improvement aimed at by adding fragrances falls short of expectations.
- the invention is based, to simplify the production of fragrance-enriched washing or rinsing liquor in automatic washing machines and make it more effective.
- This object is achieved according to the present invention in that the fragrance towards the end of the washing process, namely during the last wash cycle or the final rinsing phase, the washing or rinsing liquor in the form of a water-soluble or dispersing solid containing at least one gram of fragrance, namely is supplied as a tablet or capsule of the appropriate size.
- the washing or rinsing liquor in automatic washing machines can be supplied with the fragrance in sufficient quantity and in the simplest way by simply inserting an appropriate fragrance tablet or capsule into the corresponding washing or rinsing powder storage compartment of the washing machine, from where is washed out of the capsule or tablet with the fragrance contained in it in a comparatively high concentration together with the corresponding detergent or dishwashing detergent into the washing or rinsing solution, so that the fragrance present to a sufficient extent unfold and is able to communicate or add to the laundry fully effectively.
- a fragrance addition agent used to produce wash or rinse liquor to be enriched with fragrance in automatic washing machines consists of a fragrance addition body in tablets or containing at least 1 gram of fragrance and, moreover, a filler, carrier or emulsifier which is water-soluble or dispersible Capsule shape with a volume of more than 1 cm3, which is enclosed on all sides by a water and gas-tight coating that can be destroyed by hand.
- a tablet-shaped or capsule-shaped fragrance addition body can be stored conveniently and permanently since its water-soluble or water-dispersible constituent containing the fragrance is effectively protected by the water- and gas-tight coating layer.
- fragrance addition tablet or capsule If such a fragrance addition tablet or capsule is to be fed to the washing machine, all that needs to be done is to destroy the coating layer, which can easily be done by hand.
- Both fragrance addition solids are easy to handle because they are sufficiently large and therefore easy to handle. This applies in particular to the case where the fragrance addition tablets or capsules preferably contain more than 2.5 grams of fragrance and have a minimum volume of 5 cm 3. If fragrance addition tablets of this size prove to be too large or not suitable for direct addition to certain washing machine machines, the tablets could be provided with notch incisions which form predetermined breaking points and could thus be easily comminuted by hand before being put into the washing machine.
- fragrance addition tablets or capsules are advantageous in appropriately designed receiving recesses in a plastic container provided with them.
- Push-through board housed which is provided on the top with a destructible aluminum foil covering the receiving recesses.
- the tablets or capsules, which are protected in them, can be individually pressed out of such plastic push-through boards by light finger pressure if necessary.
- the fragrance addition agent for automatic washing machines shown in FIGS. 1 and 2 essentially consists of the solid fragrance addition body 1, which is in the form of a circular cylindrical tablet, which contains at least one gram of fragrance and, moreover, a filler or carrier and is soluble or dispersible in water, and this tablet 1 enveloping layer 2, which encloses water and gas-tight on all sides, which consists, for example, of a transparent film or two such film halves which are welded to one another in the common equatorial plane 3.
- the fragrance-containing tablet 1 has a volume of more than 1 cm3 in the present case of almost 7 cm3. In order to be able to crush it easily if necessary, it is provided with notch incisions 4 which form predetermined breaking points.
- the washing machine protecting it can be torn open by hand at the intended separation point 5 and thus the tablet 1 can be exposed. It is then placed in the corresponding washing or rinsing agent storage compartment of the washing machine, from where it is washed into the machine drum space or the washing or rinsing liquid present therein towards the end of the corresponding washing process, namely either during the last washing cycle or during the final rinsing phase becomes.
- the fragrance addition tablet should contain as much as possible more than 2.5 grams of fragrance and have a minimum volume of 5 cm3 because it is then particularly easy to handle and, above all, allows a sufficiently high effective amount of fragrance to be introduced into the washing or rinsing water of the washing machine .
- the tablets 1 can contain a sodium aluminum silicate (Sarsil), a cyclodextrin, as well as any other suitable filler or carrier, as the filler or carrier.
- the sales pack 6 shown in FIGS. 3 and 4 is recommended.
- This consists of the plastic push-through panel 8 provided with receiving recesses 7, the top side of which with a receiving recess 7 and the fragrance addition tablets 1 to be accommodated therein covering, destructible aluminum foil 9 is provided.
- the fragrance addition tablets 1 can be kept permanently protected in the receiving recesses 7 of the push-through tablet 8.
- the tablet 1 only needs to be pressed slightly upwards by light pressure on the underside of the associated receiving recess 7, the aluminum foil 9 tearing open at the corresponding point and the tablet 1 being able to be removed without further notice that this affects the remaining tablets 1 in their protected accommodation and storage.
- the capsule 10 is designed as a capsule 10, in which the fragrance is in liquid form and also contains an emulsifier.
- the capsule 10 advantageously contains more than 2.5 grams of fragrance and has a minimum volume of 5 cm 3.
- the individual capsule 10 is in turn surrounded by a water and gas-tight covering layer 2. As in the case of FIGS. 1 and 2, this can consist of two film halves welded together in the equatorial plane 3 and have a tear line 5.
- the weight ratio between the emulsifier contained in the capsule 10 on the one hand and the fragrance on the other hand should expediently be between 1: 1 and 4: 1.
- FIGS. 7 and 8 represent an advantageous sales pack for the individual fragrance addition capsules 10.
- the packaging essentially consists of a plastic push-through panel 8 provided with corresponding receiving recesses 7 for the capsules 10 and of the push-through panel 8 covering it firmly on top its associated aluminum foil 9.
- the capsules 10 can be conveniently removed individually from the push-through plate 8 without the adjacent capsules 10 or their receiving spaces thereby being affected.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Dispersion Chemistry (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3911363 | 1989-04-07 | ||
DE3911363A DE3911363B4 (de) | 1989-04-07 | 1989-04-07 | Verfahren zur Herstellung von mit Duftstoffen anzureichernder Wasch- oder Spüllauge und Duftstoffzugabemittel zur Durchführung des Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0391087A1 true EP0391087A1 (fr) | 1990-10-10 |
Family
ID=6378132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90104434A Withdrawn EP0391087A1 (fr) | 1989-04-07 | 1990-03-08 | Procédé et moyens pour l'addition de parfum à l'eau de lavage ou de rinçage |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0391087A1 (fr) |
DE (1) | DE3911363B4 (fr) |
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997008289A1 (fr) * | 1995-08-23 | 1997-03-06 | Henkel Kommanditgesellschaft Auf Aktien | Procede d'application de substances parfumentes sur des textiles |
EP0903405A2 (fr) * | 1997-09-23 | 1999-03-24 | Unilever Plc | Composition pour lave-vaisselle |
WO1999045091A1 (fr) * | 1998-03-02 | 1999-09-10 | Henkel Kommanditgesellschaft Auf Aktien | Perles parfumees sous forme de corps moules detergents |
WO2000020298A1 (fr) * | 1998-10-05 | 2000-04-13 | Henkel Kgaa | Pastille de detergent emballee pour lave-vaisselle |
WO2001085888A2 (fr) * | 2000-05-11 | 2001-11-15 | The Procter & Gamble Company | Systeme de lessive a dosage unitise |
WO2004003127A1 (fr) * | 2002-06-27 | 2004-01-08 | Unilever N.V. | Composition de parfum |
GB2428247A (en) * | 2005-07-08 | 2007-01-24 | Reckitt Benckiser Nv | Reduced mass detergent tablet and packaging |
EP1760142A1 (fr) | 2005-09-02 | 2007-03-07 | The Procter and Gamble Company | Personnalisation du parfum des lessives |
WO2007083139A1 (fr) * | 2006-01-21 | 2007-07-26 | Reckitt Benckiser N.V. | Article |
EP2202289A1 (fr) * | 2008-12-23 | 2010-06-30 | R3PC DI Roman Reder | Produit de lavage |
US7867968B1 (en) | 2009-11-05 | 2011-01-11 | The Procter & Gamble Company | Laundry scent additive |
WO2012025315A1 (fr) | 2010-08-26 | 2012-03-01 | Unilever Plc | Dispositif de distribution |
US8329112B2 (en) | 2006-10-30 | 2012-12-11 | Reckitt Benckiser N.V. | Multi-dosing detergent delivery device |
US8375962B2 (en) | 2006-01-21 | 2013-02-19 | Reckitt Benckiser N. V. | Dosage element and chamber |
US8476219B2 (en) | 2009-11-05 | 2013-07-02 | The Procter & Gamble Company | Laundry scent additive |
US20140107010A1 (en) * | 2007-09-27 | 2014-04-17 | Jeffrey K. Slaboden | Fragrance tablet and method |
US8815018B2 (en) | 2007-05-30 | 2014-08-26 | Reckitt Benckiser N.V. | Detergent dosing device |
US9062281B2 (en) | 2010-10-14 | 2015-06-23 | Conopco, Inc. | Particulate detergent compositions comprising fluorescer |
US9273271B2 (en) | 2010-10-14 | 2016-03-01 | Conopco Inc. | Laundry detergent particles |
US9284517B2 (en) | 2010-10-14 | 2016-03-15 | Conopco Inc. | Laundry detergent particle |
US9290725B2 (en) | 2010-10-14 | 2016-03-22 | Conopco Inc. | Laundry detergent particles |
US9290723B2 (en) | 2010-10-14 | 2016-03-22 | Conopco Inc. | Laundry detergent particles |
US9290724B2 (en) | 2010-10-14 | 2016-03-22 | Conopco, Inc. | Laundry detergent particles |
US9365811B2 (en) | 2010-10-14 | 2016-06-14 | Conopco Inc. | Manufacture of coated particulate detergents |
US9453188B2 (en) | 2012-12-20 | 2016-09-27 | The Procter & Gamble Company | Laundry scent additive |
US11680352B2 (en) | 2021-10-14 | 2023-06-20 | Haier Us Appliance Solutions, Inc. | Washing machine appliance and additive assembly |
US11920280B2 (en) | 2022-03-04 | 2024-03-05 | Haier Us Appliance Solutions, Inc. | Washing machine appliance and scent-infusing assembly |
US11946191B2 (en) | 2022-01-14 | 2024-04-02 | Haier Us Appliance Solutions, Inc. | Washing machine appliance and additive assembly |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19746780A1 (de) | 1997-10-23 | 1999-04-29 | Henkel Kgaa | Verfahren zur Herstellung von Duftperlen |
DE102004020400A1 (de) | 2004-04-23 | 2005-11-17 | Henkel Kgaa | Parfümierte Feststoffe |
NO330155B1 (no) | 2006-02-28 | 2011-02-28 | 3D Perception As | Fremgangsmate og anordning til bruk ved kalibrering av en projektors bildevisning mot en fremviserskjerm, og fremviserskjerm til slik bruk. |
DE102010008290A1 (de) | 2010-02-17 | 2011-08-18 | Azur Fragrances S.A.R.L. | Wasserlöslicher Wirkstoffträger |
DE102011018965A1 (de) | 2011-04-23 | 2012-10-25 | Gmbu E.V., Fachsektion Dresden | Riechstoffdepot und Verfahren zu seiner Herstellung |
DE102015117056A1 (de) * | 2015-07-16 | 2017-01-19 | Buck Service Gmbh | Sichtverpackung für stückförmige Mittel, insbesondere Reinigungsmittel für den Toilettenbereich, und Herstellungsverfahren |
EP3118137A1 (fr) | 2015-07-16 | 2017-01-18 | Buck Service GmbH | Emballage transparent pour matiere en forme de pain, en particulier produit de nettoyage pour les sanitaires et procede de production |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3790484A (en) * | 1972-01-18 | 1974-02-05 | Blalock E | Fragrance-imparting laundering composition |
US3809221A (en) * | 1972-10-10 | 1974-05-07 | N Compere | Rupturable blister pill package with safety backing |
US4253842A (en) * | 1974-05-15 | 1981-03-03 | Colgate-Palmolive Company | Detergent compositions and washing methods including and utilizing separate tablets of components |
DE3532257A1 (de) * | 1985-09-10 | 1987-03-12 | Liedtke Pharmed Gmbh | Arzneimitteldurchdrueckpackung mit integrierter tablettenbruchleiste |
-
1989
- 1989-04-07 DE DE3911363A patent/DE3911363B4/de not_active Expired - Lifetime
-
1990
- 1990-03-08 EP EP90104434A patent/EP0391087A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3790484A (en) * | 1972-01-18 | 1974-02-05 | Blalock E | Fragrance-imparting laundering composition |
US3809221A (en) * | 1972-10-10 | 1974-05-07 | N Compere | Rupturable blister pill package with safety backing |
US4253842A (en) * | 1974-05-15 | 1981-03-03 | Colgate-Palmolive Company | Detergent compositions and washing methods including and utilizing separate tablets of components |
DE3532257A1 (de) * | 1985-09-10 | 1987-03-12 | Liedtke Pharmed Gmbh | Arzneimitteldurchdrueckpackung mit integrierter tablettenbruchleiste |
Cited By (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997008289A1 (fr) * | 1995-08-23 | 1997-03-06 | Henkel Kommanditgesellschaft Auf Aktien | Procede d'application de substances parfumentes sur des textiles |
EP0903405A2 (fr) * | 1997-09-23 | 1999-03-24 | Unilever Plc | Composition pour lave-vaisselle |
EP0903405A3 (fr) * | 1997-09-23 | 1999-08-11 | Unilever Plc | Composition pour lave-vaisselle |
WO1999045091A1 (fr) * | 1998-03-02 | 1999-09-10 | Henkel Kommanditgesellschaft Auf Aktien | Perles parfumees sous forme de corps moules detergents |
US6610643B1 (en) | 1998-10-05 | 2003-08-26 | Henkel Kommanditgesellschaft Auf Aktien | Detergent tablet packaging for dishwashers |
WO2000020298A1 (fr) * | 1998-10-05 | 2000-04-13 | Henkel Kgaa | Pastille de detergent emballee pour lave-vaisselle |
US7166565B2 (en) | 2000-05-11 | 2007-01-23 | The Procter & Gamble Company | Laundry system having unitized dosing |
WO2001085888A3 (fr) * | 2000-05-11 | 2002-07-11 | Procter & Gamble | Systeme de lessive a dosage unitise |
US7056877B2 (en) | 2000-05-11 | 2006-06-06 | The Procter & Gamble Company | Laundry system having unitized dosing |
US7091171B2 (en) | 2000-05-11 | 2006-08-15 | The Procter & Gamble Company | Laundry system having unitized dosing |
US7544651B2 (en) | 2000-05-11 | 2009-06-09 | The Procter & Gamble Company | Laundry system having unitized dosing |
US7186680B2 (en) | 2000-05-11 | 2007-03-06 | The Procter & Gamble Company | Laundry system having unitized dosing |
WO2001085888A2 (fr) * | 2000-05-11 | 2001-11-15 | The Procter & Gamble Company | Systeme de lessive a dosage unitise |
US7494965B2 (en) | 2000-05-11 | 2009-02-24 | The Procter & Gamble Company | Laundry system having unitized dosing |
WO2004003127A1 (fr) * | 2002-06-27 | 2004-01-08 | Unilever N.V. | Composition de parfum |
US7015186B2 (en) | 2002-06-27 | 2006-03-21 | Unilever Home & Personal Care Usa A Division Of Conopco, Inc. | Perfume composition |
GB2428247A (en) * | 2005-07-08 | 2007-01-24 | Reckitt Benckiser Nv | Reduced mass detergent tablet and packaging |
EP1760142A1 (fr) | 2005-09-02 | 2007-03-07 | The Procter and Gamble Company | Personnalisation du parfum des lessives |
US8375962B2 (en) | 2006-01-21 | 2013-02-19 | Reckitt Benckiser N. V. | Dosage element and chamber |
US8338357B2 (en) | 2006-01-21 | 2012-12-25 | Reckitt Benckiser N.V. | Multiple dosing ware washing article |
WO2007083139A1 (fr) * | 2006-01-21 | 2007-07-26 | Reckitt Benckiser N.V. | Article |
US8329112B2 (en) | 2006-10-30 | 2012-12-11 | Reckitt Benckiser N.V. | Multi-dosing detergent delivery device |
US8815018B2 (en) | 2007-05-30 | 2014-08-26 | Reckitt Benckiser N.V. | Detergent dosing device |
US20140107010A1 (en) * | 2007-09-27 | 2014-04-17 | Jeffrey K. Slaboden | Fragrance tablet and method |
US20170015952A1 (en) * | 2007-09-27 | 2017-01-19 | Jeffery K. Slaboden | Fragrance Tablet and Method |
EP2202289A1 (fr) * | 2008-12-23 | 2010-06-30 | R3PC DI Roman Reder | Produit de lavage |
US11608481B2 (en) | 2009-11-05 | 2023-03-21 | The Procter & Gamble Company | Laundry scent additive |
US11753606B2 (en) | 2009-11-05 | 2023-09-12 | The Procter & Gamble Company | Laundry scent additive |
US12006492B2 (en) | 2009-11-05 | 2024-06-11 | The Procter & Gamble Company | Laundry scent additive |
US11859159B2 (en) | 2009-11-05 | 2024-01-02 | The Procter & Gamble Company | Laundry scent additive |
US11834637B2 (en) | 2009-11-05 | 2023-12-05 | The Procter & Gamble Company | Laundry scent additive |
US8476219B2 (en) | 2009-11-05 | 2013-07-02 | The Procter & Gamble Company | Laundry scent additive |
US7867968B1 (en) | 2009-11-05 | 2011-01-11 | The Procter & Gamble Company | Laundry scent additive |
US11142728B2 (en) | 2009-11-05 | 2021-10-12 | The Procter & Gamble Company | Laundry scent additive |
US10167441B2 (en) | 2009-11-05 | 2019-01-01 | The Procter & Gamble Company | Laundry scent additive |
US9708574B2 (en) | 2009-11-05 | 2017-07-18 | The Procter & Gamble Company | Laundry scent additive |
US9453189B2 (en) | 2009-11-05 | 2016-09-27 | The Procter & Gamble Company | Laundry scent additive |
US7871976B1 (en) | 2009-11-05 | 2011-01-18 | The Procter & Gamble Company | Laundry scent additive |
WO2012025315A1 (fr) | 2010-08-26 | 2012-03-01 | Unilever Plc | Dispositif de distribution |
US9062281B2 (en) | 2010-10-14 | 2015-06-23 | Conopco, Inc. | Particulate detergent compositions comprising fluorescer |
US9290724B2 (en) | 2010-10-14 | 2016-03-22 | Conopco, Inc. | Laundry detergent particles |
US9290723B2 (en) | 2010-10-14 | 2016-03-22 | Conopco Inc. | Laundry detergent particles |
US9290725B2 (en) | 2010-10-14 | 2016-03-22 | Conopco Inc. | Laundry detergent particles |
US9284517B2 (en) | 2010-10-14 | 2016-03-15 | Conopco Inc. | Laundry detergent particle |
US9273271B2 (en) | 2010-10-14 | 2016-03-01 | Conopco Inc. | Laundry detergent particles |
US9365811B2 (en) | 2010-10-14 | 2016-06-14 | Conopco Inc. | Manufacture of coated particulate detergents |
US10160936B2 (en) | 2012-12-20 | 2018-12-25 | The Procter & Gamble Company | Laundry scent additive |
US9453188B2 (en) | 2012-12-20 | 2016-09-27 | The Procter & Gamble Company | Laundry scent additive |
US11680352B2 (en) | 2021-10-14 | 2023-06-20 | Haier Us Appliance Solutions, Inc. | Washing machine appliance and additive assembly |
US11946191B2 (en) | 2022-01-14 | 2024-04-02 | Haier Us Appliance Solutions, Inc. | Washing machine appliance and additive assembly |
US11920280B2 (en) | 2022-03-04 | 2024-03-05 | Haier Us Appliance Solutions, Inc. | Washing machine appliance and scent-infusing assembly |
Also Published As
Publication number | Publication date |
---|---|
DE3911363B4 (de) | 2005-02-03 |
DE3911363A1 (de) | 1990-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19910227 |
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