EP3545062B1 - Composition de détergent liquide - Google Patents
Composition de détergent liquide Download PDFInfo
- Publication number
- EP3545062B1 EP3545062B1 EP17794705.8A EP17794705A EP3545062B1 EP 3545062 B1 EP3545062 B1 EP 3545062B1 EP 17794705 A EP17794705 A EP 17794705A EP 3545062 B1 EP3545062 B1 EP 3545062B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid detergent
- detergent composition
- anionic surfactant
- composition according
- linear
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 title claims description 95
- 239000007788 liquid Substances 0.000 title claims description 89
- 239000003599 detergent Substances 0.000 title claims description 76
- -1 alkyl ether sulfate Chemical class 0.000 claims description 49
- 239000003945 anionic surfactant Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 25
- 239000006260 foam Substances 0.000 claims description 24
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 18
- 229930195729 fatty acid Natural products 0.000 claims description 18
- 239000000194 fatty acid Substances 0.000 claims description 18
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- YRHYCMZPEVDGFQ-UHFFFAOYSA-N methyl decanoate Chemical compound CCCCCCCCCC(=O)OC YRHYCMZPEVDGFQ-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- ZAZKJZBWRNNLDS-UHFFFAOYSA-N methyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OC ZAZKJZBWRNNLDS-UHFFFAOYSA-N 0.000 claims description 6
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 5
- FLIACVVOZYBSBS-UHFFFAOYSA-N Methyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC FLIACVVOZYBSBS-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 239000005640 Methyl decanoate Substances 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 238000005187 foaming Methods 0.000 description 12
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 6
- 150000004996 alkyl benzenes Chemical group 0.000 description 5
- 238000004851 dishwashing Methods 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- SMVRDGHCVNAOIN-UHFFFAOYSA-L disodium;1-dodecoxydodecane;sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC SMVRDGHCVNAOIN-UHFFFAOYSA-L 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- JRLTTZUODKEYDH-UHFFFAOYSA-N 8-methylquinoline Chemical group C1=CN=C2C(C)=CC=CC2=C1 JRLTTZUODKEYDH-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000004064 cosurfactant Substances 0.000 description 2
- MMXKVMNBHPAILY-UHFFFAOYSA-N ethyl laurate Chemical compound CCCCCCCCCCCC(=O)OCC MMXKVMNBHPAILY-UHFFFAOYSA-N 0.000 description 2
- MMKRHZKQPFCLLS-UHFFFAOYSA-N ethyl myristate Chemical compound CCCCCCCCCCCCCC(=O)OCC MMKRHZKQPFCLLS-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical class CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229940043237 diethanolamine Drugs 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical class CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical compound CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- 229940071161 dodecylbenzenesulfonate Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003752 hydrotrope Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000004530 micro-emulsion Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 229940044652 phenolsulfonate Drugs 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 229940071104 xylenesulfonate Drugs 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/37—Mixtures of compounds all of which are anionic
-
- 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0026—Low foaming or foam regulating compositions
-
- 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
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
Claims (15)
- Composition de détergent liquide comprenant :a) un premier tensioactif anionique qui est un alkyléthersulfate éthoxylé selon la formule (I) :
R1-(OCH2CH2)nOSO3 -M+
où R1 représente un groupe alkyle linéaire en C8-C22 ou ramifié ;n est un nombre entier dans l'intervalle de 1-8 ;M+ représente un cation de métal alcalin ou d'ammonium ;b) un second tensioactif anionique choisi dans le groupe consistant en alkylbenzènesulfonates en C8-22, alkylsulfates en C8-22 et combinaisons de ceux-ci ;c) de 0,1 à 2,5 % en masse rapporté à la masse totale de la composition de détergent liquide d'un ester d'acide gras selon la formule (II) :
R2-C(O)-O-R3
où R2 représente un groupe alkyle linéaire en C8-22 ;R3 représente un groupe alkyle linéaire en C1-C4 ou ramifié ;d) au moins 50 % en masse rapporté à la masse totale de la composition de détergent liquide d'eau ;où le premier tensioactif anionique et le second tensioactif anionique constituent ensemble de 12 à 30 % en masse rapporté à la masse totale de la composition de détergent liquide. - Composition de détergent liquide selon la revendication 1, dans laquelle R1 représente un groupe alkyle linéaire en C10-C18.
- Composition de détergent liquide selon la revendication 1 ou 2, où n est de 1 à 4, de préférence de 1 à 3.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où la composition contient 3-25 % en masse du premier tensioactif anionique.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où la composition contient 3-25 % en masse du second tensioactif anionique.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où le second tensioactif anionique est choisi parmi des alkylbenzènesulfonates linéaires en C8-22.
- Composition de détergent liquide selon la revendication 6, où la composition contient au moins 3 % en masse d'un ou plusieurs alkylbenzènesulfonates linéaires en C8-22.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où le rapport massique du premier tensioactif anionique au second tensioactif anionique est inférieur à 3:1 et supérieur à 1:3.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où l'ester d'acide gras est présent dans une concentration de 0,2 à 2 % en masse.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où R3 dans la formule (II) représente un groupe alkyle linéaire en C1-C4.
- Composition de détergent liquide selon la revendication 10, où R3 représente un groupe méthyle.
- Composition de détergent liquide selon l'une quelconque des revendications précédentes, où l'ester d'acide gras est un ester d'acide gras et R2 dans la formule (II) représente un groupe alkyle linéaire en C8-16.
- Composition de détergent liquide selon la revendication 10, où l'ester d'acide gras est un ester d'acide gras choisi dans le groupe consistant en décanoate de méthyle, dodécanoate de méthyle, tétradécanoate de méthyle, hexadécanoate de méthyle et des combinaisons de ceux-ci.
- Procédé de nettoyage et rinçage d'une surface comprenant les étapes de :a) application sur une surface de la composition de détergent liquide selon l'une quelconque des revendications 1 à 13 ;b) nettoyage de la surface avec un outil de nettoyage ; etc) rinçage de la surface avec de l'eau.
- Utilisation de l'ester d'acide gras selon la revendication 1 dans des compositions de détergents liquides comprenant le premier tensioactif anionique selon la revendication 1 et le second tensioactif anionique selon la revendication 1, pour accélérer l'élimination de mousse pendant le rinçage d'une surface qui a été traitée en utilisant la composition de détergent liquide.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16200420 | 2016-11-24 | ||
| PCT/EP2017/077583 WO2018095695A1 (fr) | 2016-11-24 | 2017-10-27 | Composition de détergent liquide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3545062A1 EP3545062A1 (fr) | 2019-10-02 |
| EP3545062B1 true EP3545062B1 (fr) | 2020-02-19 |
Family
ID=57394451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17794705.8A Active EP3545062B1 (fr) | 2016-11-24 | 2017-10-27 | Composition de détergent liquide |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3545062B1 (fr) |
| CN (1) | CN109983108A (fr) |
| AR (1) | AR110217A1 (fr) |
| CL (1) | CL2019001327A1 (fr) |
| WO (1) | WO2018095695A1 (fr) |
| ZA (1) | ZA201902304B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023025739A1 (fr) | 2021-08-25 | 2023-03-02 | Unilever Ip Holdings B.V. | Composition de détergent |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU71583A1 (fr) * | 1975-01-02 | 1976-11-11 | Procter & Gamble Europ | |
| ZA974226B (en) * | 1996-05-17 | 1998-12-28 | Procter & Gamble | Detergent composition |
| EP0816480A1 (fr) * | 1996-06-26 | 1998-01-07 | The Procter & Gamble Company | Compositions détergentes liquides peu moussantes |
| US5905064A (en) | 1998-01-08 | 1999-05-18 | Colgate-Palmolive Co. | Microemulsion cleaning compositions |
| US6150312A (en) | 1999-04-05 | 2000-11-21 | Unilever Home & Personal Care Usa, A Division Of Conopco, Inc. | Liquid composition with enhanced low temperature stability comprising sodium tricedeth sulfate |
| US7205268B2 (en) | 2005-02-04 | 2007-04-17 | Unilever Home & Personal Care Usa Division Of Conopco, Inc. | Low-foaming liquid laundry detergent |
| SG181764A1 (en) * | 2009-12-17 | 2012-07-30 | Stepan Co | Foaming light duty liquid detergent compositions, methods of making and uses thereof |
| EA032981B1 (ru) | 2014-08-29 | 2019-08-30 | Юнилевер Н.В. | Композиция жидкого моющего средства |
-
2017
- 2017-10-27 EP EP17794705.8A patent/EP3545062B1/fr active Active
- 2017-10-27 CN CN201780071005.5A patent/CN109983108A/zh active Pending
- 2017-10-27 WO PCT/EP2017/077583 patent/WO2018095695A1/fr unknown
- 2017-11-23 AR ARP170103260A patent/AR110217A1/es active IP Right Grant
-
2019
- 2019-04-11 ZA ZA2019/02304A patent/ZA201902304B/en unknown
- 2019-05-15 CL CL2019001327A patent/CL2019001327A1/es unknown
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3545062A1 (fr) | 2019-10-02 |
| AR110217A1 (es) | 2019-03-06 |
| CL2019001327A1 (es) | 2019-08-09 |
| WO2018095695A1 (fr) | 2018-05-31 |
| ZA201902304B (en) | 2020-08-26 |
| CN109983108A (zh) | 2019-07-05 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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