PE20121267A1 - Proceso para la obtencion de un concentrado de esteres de acidos eicosapentaenoico y docosahexaenoico - Google Patents
Proceso para la obtencion de un concentrado de esteres de acidos eicosapentaenoico y docosahexaenoicoInfo
- Publication number
- PE20121267A1 PE20121267A1 PE2011002030A PE2011002030A PE20121267A1 PE 20121267 A1 PE20121267 A1 PE 20121267A1 PE 2011002030 A PE2011002030 A PE 2011002030A PE 2011002030 A PE2011002030 A PE 2011002030A PE 20121267 A1 PE20121267 A1 PE 20121267A1
- Authority
- PE
- Peru
- Prior art keywords
- mixture
- phase
- esters
- sterified
- catalyst
- Prior art date
Links
- 239000002253 acid Substances 0.000 title abstract 2
- 239000012141 concentrate Substances 0.000 title abstract 2
- 150000007513 acids Chemical class 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 7
- 239000008346 aqueous phase Substances 0.000 abstract 5
- 239000012071 phase Substances 0.000 abstract 5
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 4
- 229930195729 fatty acid Natural products 0.000 abstract 4
- 239000000194 fatty acid Substances 0.000 abstract 4
- 150000004665 fatty acids Chemical class 0.000 abstract 4
- 239000003054 catalyst Substances 0.000 abstract 3
- 150000002148 esters Chemical class 0.000 abstract 3
- 238000007670 refining Methods 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- JAZBEHYOTPTENJ-JLNKQSITSA-N all-cis-5,8,11,14,17-icosapentaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O JAZBEHYOTPTENJ-JLNKQSITSA-N 0.000 abstract 1
- MBMBGCFOFBJSGT-KUBAVDMBSA-N all-cis-docosa-4,7,10,13,16,19-hexaenoic acid Chemical class CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O MBMBGCFOFBJSGT-KUBAVDMBSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 235000020673 eicosapentaenoic acid Nutrition 0.000 abstract 1
- 229960005135 eicosapentaenoic acid Drugs 0.000 abstract 1
- JAZBEHYOTPTENJ-UHFFFAOYSA-N eicosapentaenoic acid Natural products CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O JAZBEHYOTPTENJ-UHFFFAOYSA-N 0.000 abstract 1
- 159000000011 group IA salts Chemical class 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 238000000526 short-path distillation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
- C11C1/02—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids from fats or fatty oils
- C11C1/025—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids from fats or fatty oils by saponification and release of fatty acids
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS OR COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings or cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings or cooking oils characterised by the production or working-up
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/006—Refining fats or fatty oils by extraction
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/04—Refining fats or fatty oils by chemical reaction with acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/06—Refining fats or fatty oils by chemical reaction with bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
- C11C1/02—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids from fats or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
- C11C1/08—Refining
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/003—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fatty acids with alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Fats And Perfumes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CL2009001343A CL2009001343A1 (es) | 2009-06-02 | 2009-06-02 | Proceso de obtencion concentrado de esteres de epa y dha a partir de aceite marino, que comprende agregar al aceite alcali y agua a menos de 100 grados celsius, agregar solvente, separar fase de refinado, agregar acido, separar la fase no acuosa y agregar alcohol y un catalizador a menos de 150 grados celsius, desolventilizar y destilar. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PE20121267A1 true PE20121267A1 (es) | 2012-10-06 |
Family
ID=42651486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PE2011002030A PE20121267A1 (es) | 2009-06-02 | 2010-06-01 | Proceso para la obtencion de un concentrado de esteres de acidos eicosapentaenoico y docosahexaenoico |
Country Status (22)
| Country | Link |
|---|---|
| US (2) | US8586772B2 (enExample) |
| EP (1) | EP2438819B9 (enExample) |
| JP (1) | JP5721148B2 (enExample) |
| KR (1) | KR101430318B1 (enExample) |
| CN (1) | CN102448314B (enExample) |
| AR (1) | AR076622A1 (enExample) |
| AU (1) | AU2010256274B2 (enExample) |
| CA (1) | CA2764242C (enExample) |
| CL (1) | CL2009001343A1 (enExample) |
| CO (1) | CO6470849A2 (enExample) |
| CY (1) | CY1115329T1 (enExample) |
| DK (1) | DK2438819T4 (enExample) |
| ES (1) | ES2411958T5 (enExample) |
| HR (1) | HRP20130531T1 (enExample) |
| MA (1) | MA33485B1 (enExample) |
| NO (1) | NO2438819T3 (enExample) |
| PE (1) | PE20121267A1 (enExample) |
| PL (1) | PL2438819T3 (enExample) |
| PT (1) | PT2438819E (enExample) |
| SI (1) | SI2438819T1 (enExample) |
| SM (1) | SMT201300056B (enExample) |
| WO (1) | WO2010139085A1 (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CL2009001343A1 (es) † | 2009-06-02 | 2009-07-10 | Golden Omega S A | Proceso de obtencion concentrado de esteres de epa y dha a partir de aceite marino, que comprende agregar al aceite alcali y agua a menos de 100 grados celsius, agregar solvente, separar fase de refinado, agregar acido, separar la fase no acuosa y agregar alcohol y un catalizador a menos de 150 grados celsius, desolventilizar y destilar. |
| GB201001345D0 (en) * | 2010-01-27 | 2010-03-17 | Equateq Ltd | Process for preparing and purifying fatty acids |
| CL2010001587A1 (es) * | 2010-12-27 | 2013-01-11 | Golden Omega S A | Proceso de preparacion de un concentrado de etil esteres de acidos grasos omega-3 que comprende sobre el 80% en peso de dichos esteres en configuracion cis y sus dobles enlaces separados por una unidad metilenica. |
| US8258330B1 (en) * | 2012-01-04 | 2012-09-04 | Naturalis, S.A. | Carrier fluid composition comprising fatty acids ethyl esters and process for reducing the concentration of persistent organic pollutants in fish oil |
| US10568858B2 (en) * | 2012-05-10 | 2020-02-25 | Solutex Na Llc | Oils with anti-inflammatory activity containing natural specialized proresolving mediators and their precursors |
| CN104302615B (zh) | 2012-05-14 | 2017-09-08 | 日本水产株式会社 | 减低了环境污染物质的高度不饱和脂肪酸或高度不饱和脂肪酸乙酯及其制造方法 |
| FR2991337B1 (fr) * | 2012-05-29 | 2016-09-02 | Roquette Freres | Procede continu d'enrichissement en esters ethyliques de dha d'une huile produite par des microalgues |
| JP6218738B2 (ja) * | 2012-10-01 | 2017-10-25 | 日清ファルマ株式会社 | 高度不飽和脂肪酸アルキルエステル含有組成物の製造方法 |
| ITMI20121681A1 (it) * | 2012-10-08 | 2014-04-09 | Milanotrading Srl | Metodo di produzione di esteri etilici di acidi grassi poliinsaturi e loro impiego in formulazioni per uso orale nell'uomo |
| US10123986B2 (en) | 2012-12-24 | 2018-11-13 | Qualitas Health, Ltd. | Eicosapentaenoic acid (EPA) formulations |
| US9629820B2 (en) | 2012-12-24 | 2017-04-25 | Qualitas Health, Ltd. | Eicosapentaenoic acid (EPA) formulations |
| US9045698B2 (en) * | 2013-06-28 | 2015-06-02 | Uop Llc | Methods for removing contaminants from oils using base washing and acid washing |
| ES2875965T3 (es) | 2013-12-04 | 2021-11-11 | Nippon Suisan Kaisha Ltd | Aceite microbiano que contiene ácido dihomo-gamma-linolénico y biomasa microbiana que contiene ácido dihomo-gamma-linolénico |
| ES3042360T3 (en) * | 2014-04-07 | 2025-11-20 | Epax Norway As | Long chain monounsaturated fatty acid composition and long chain polyunsaturated fatty acid and method for the production thereof |
| AU2016262315B2 (en) | 2015-05-13 | 2020-09-03 | Epax Norway As | Very long chain polyunsaturated fatty acids from natural oils |
| WO2016207734A1 (en) | 2015-06-26 | 2016-12-29 | Pronova Biopharma Norge As | Composition for treatment of nafld |
| AU2016317523B2 (en) * | 2015-08-31 | 2019-12-12 | Nippon Suisan Kaisha, Ltd. | Free polyunsaturated fatty acid-containing composition and manufacturing method therefor |
| JP6947370B2 (ja) * | 2015-10-05 | 2021-10-13 | ディーエスエム アイピー アセッツ ビー．ブイ．Ｄｓｍ Ｉｐ Ａｓｓｅｔｓ Ｂ．Ｖ． | 油組成物および製造方法 |
| IL247522A0 (en) * | 2016-08-29 | 2016-11-30 | Technion Res & Dev Foundation | Removal of pollutants from organic matter |
| KR101722924B1 (ko) * | 2016-12-28 | 2017-04-05 | 이경화학 주식회사 | 고순도 mct 오일을 함유하는 피부각전 제거용 화장료 조성물의 제조방법 및 그에 의해 제조된 화장료 조성물 |
| KR101754741B1 (ko) | 2016-12-28 | 2017-07-06 | 이경화학 주식회사 | 세라마이드 에멀젼을 함유하는 화장료 조성물의 제조방법 |
| KR101727539B1 (ko) | 2016-12-28 | 2017-05-02 | 이경화학 주식회사 | 유산균 발효 추출물을 유효성분으로 포함하는 화장료 조성물의 제조방법 및 그에 의해 제조된 화장료 조성물 |
| EP3586642A1 (en) | 2018-06-21 | 2020-01-01 | Nuseed Pty Ltd | Ala enriched polyunsaturated fatty acid compositions |
| EP3586640A1 (en) | 2018-06-21 | 2020-01-01 | Nuseed Pty Ltd | Dha enriched polyunsaturated fatty acid compositions |
| US10836701B2 (en) * | 2019-04-04 | 2020-11-17 | Alejandro Markovits Rojas | Fish oil cholesterol |
| CN114540116B (zh) * | 2022-02-24 | 2024-02-13 | 海南潜龙生物科技有限公司 | 一种鳄鱼油的精制方法 |
| KR102865475B1 (ko) * | 2022-09-27 | 2025-09-25 | 고려대학교 산학협력단 | 저온결정법과 에스테르 반응을 이용한 오메가３ 불포화지방산의 효율적인 농축방법 |
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| US3932531A (en) * | 1972-07-14 | 1976-01-13 | Nippon Shokubai Kaguku Kogyo Co., Ltd. | Method of manufacturing alkylene oxide adducts of an aliphatic alcohol |
| JPS57149400A (en) * | 1981-03-12 | 1982-09-14 | Kureha Chemical Ind Co Ltd | Manufacture of high purity long chain highly unsaturated fatty acid ester |
| DE3227669C1 (de) | 1982-07-23 | 1983-07-07 | Hermann Dr. 4400 Münster Stage | Verfahren und Anlage zum Desodorieren und/oder Entsaeuern von Speiseoelen,Fetten und Estern |
| GB8314496D0 (en) | 1983-05-25 | 1983-06-29 | Unilever Plc | Treating triglyceride oil |
| US4804555A (en) | 1986-10-21 | 1989-02-14 | General Mills, Inc. | Physical process for simultaneous deodorization and cholesterol reduction of fats and oils |
| IT1205043B (it) | 1987-05-28 | 1989-03-10 | Innova Di Ridolfi Flora & C S | Procedimento per l'estrazione di esteri di acidi grassi poliinsaturi da olii di pesce e composizioni farmaceutiche e dietetiche contenenti detti esteri |
| US4915876A (en) | 1987-07-20 | 1990-04-10 | General Mills, Inc. | Process for the deodorization and stabilization of polyunsaturated oils |
| US4874629A (en) | 1988-05-02 | 1989-10-17 | Chang Stephen S | Purification of fish oil |
| GB2218984B (en) * | 1988-05-27 | 1992-09-23 | Renafield Limited | Process for preparing high-concentration mixtures of polyunsaturated fatty acids & their esters and their prophylactic or therapeutic uses |
| JPH0225447A (ja) * | 1988-07-13 | 1990-01-26 | Nippon Oil & Fats Co Ltd | 高度不飽和脂肪酸類の製造方法 |
| CN1204638A (zh) * | 1997-07-02 | 1999-01-13 | 湖南天海林实业股份有限公司 | 二十二碳六烯酸的制备和酯化工艺 |
| CA2334022C (en) † | 1998-06-05 | 2008-12-02 | Merck Patent Gesellschaft Mit Beschraenkter Haftung | Contaminant reduced marine oil |
| JP2000044983A (ja) * | 1998-07-31 | 2000-02-15 | Maruha Corp | 二重結合を有する脂肪酸またはその誘導体の精製法 |
| CA2273570A1 (en) * | 1999-05-31 | 2000-11-30 | Jfs Envirohealth Ltd. | Concentration and purification of polyunsaturated fatty acid esters by distillation-enzymatic transesterification coupling |
| GB2350610A (en) | 1999-06-01 | 2000-12-06 | Jfs Envirohealth Ltd | Preparation of pure unsaturated fatty acids |
| PT1303580E (pt) † | 2000-07-19 | 2006-09-29 | Lysi Hf | Processo para a producao de oleos marinhos com niveis reduzidos de contaminantes |
| US6846946B2 (en) | 2002-02-15 | 2005-01-25 | Value Recovery, Inc. | Process for making organic products and improving the quality of non-product streams using phase transfer catalysis |
| SE0202188D0 (sv) | 2002-07-11 | 2002-07-11 | Pronova Biocare As | A process for decreasing environmental pollutants in an oil or a fat, a volatile fat or oil environmental pollutants decreasing working fluid, a health supplement, and an animal feed product |
| NO319194B1 (no) * | 2002-11-14 | 2005-06-27 | Pronova Biocare As | Lipase-katalysert forestringsfremgangsmate av marine oljer |
| US6846942B2 (en) | 2003-05-20 | 2005-01-25 | David Rubin | Method for preparing pure EPA and pure DHA |
| WO2005040318A1 (en) † | 2003-10-21 | 2005-05-06 | Dsm Ip Assets B.V. | Stabilisation of polyunsaturated fatty acid (pufa) ester concentrates |
| ITMI20032247A1 (it) * | 2003-11-19 | 2005-05-20 | Tiberio Bruzzese | Interazione di derivati polari di composti insaturi con substrati inorganici |
| US20090221705A1 (en) | 2006-02-07 | 2009-09-03 | Pal Rongved | Omega 3 |
| WO2009009040A2 (en) * | 2007-07-06 | 2009-01-15 | Baum Seth J | Fatty acid compositions and methods of use |
| CL2009001343A1 (es) † | 2009-06-02 | 2009-07-10 | Golden Omega S A | Proceso de obtencion concentrado de esteres de epa y dha a partir de aceite marino, que comprende agregar al aceite alcali y agua a menos de 100 grados celsius, agregar solvente, separar fase de refinado, agregar acido, separar la fase no acuosa y agregar alcohol y un catalizador a menos de 150 grados celsius, desolventilizar y destilar. |
-
2009
- 2009-06-02 CL CL2009001343A patent/CL2009001343A1/es unknown
-
2010
- 2010-05-31 AR ARP100101896A patent/AR076622A1/es active IP Right Grant
- 2010-06-01 SI SI201030214T patent/SI2438819T1/sl unknown
- 2010-06-01 HR HRP20130531AT patent/HRP20130531T1/hr unknown
- 2010-06-01 PE PE2011002030A patent/PE20121267A1/es active IP Right Grant
- 2010-06-01 PT PT107322588T patent/PT2438819E/pt unknown
- 2010-06-01 CA CA2764242A patent/CA2764242C/en not_active Expired - Fee Related
- 2010-06-01 KR KR1020127000063A patent/KR101430318B1/ko not_active Expired - Fee Related
- 2010-06-01 CN CN2010800239775A patent/CN102448314B/zh active Active
- 2010-06-01 ES ES10732258.8T patent/ES2411958T5/es active Active
- 2010-06-01 NO NO10732258A patent/NO2438819T3/no unknown
- 2010-06-01 PL PL10732258T patent/PL2438819T3/pl unknown
- 2010-06-01 JP JP2012513433A patent/JP5721148B2/ja not_active Expired - Fee Related
- 2010-06-01 EP EP10732258.8A patent/EP2438819B9/en active Active
- 2010-06-01 US US13/375,030 patent/US8586772B2/en not_active Expired - Fee Related
- 2010-06-01 WO PCT/CL2010/000018 patent/WO2010139085A1/es not_active Ceased
- 2010-06-01 DK DK10732258.8T patent/DK2438819T4/en active
- 2010-06-01 AU AU2010256274A patent/AU2010256274B2/en not_active Ceased
- 2010-06-01 MA MA34397A patent/MA33485B1/fr unknown
-
2011
- 2011-11-30 CO CO11165139A patent/CO6470849A2/es active IP Right Grant
-
2013
- 2013-05-31 SM SM201300056T patent/SMT201300056B/xx unknown
- 2013-06-11 CY CY20131100459T patent/CY1115329T1/el unknown
- 2013-09-03 US US14/016,426 patent/US8981137B2/en active Active
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