WO2011083787A1 - 消炎鎮痛外用貼付剤 - Google Patents
消炎鎮痛外用貼付剤 Download PDFInfo
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- WO2011083787A1 WO2011083787A1 PCT/JP2011/050021 JP2011050021W WO2011083787A1 WO 2011083787 A1 WO2011083787 A1 WO 2011083787A1 JP 2011050021 W JP2011050021 W JP 2011050021W WO 2011083787 A1 WO2011083787 A1 WO 2011083787A1
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- diclofenac
- adhesive patch
- patch
- adhesive layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/196—Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
- A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7076—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising ingredients of undetermined constitution or reaction products thereof, e.g. rosin or other plant resins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Definitions
- the present invention relates to a diclofenac hydroxyethylpyrrolidine-containing oily patch excellent in transdermal absorbability and main drug stability of diclofenac hydroxyethylpyrrolidine and having low irritation to the skin.
- Diclofenac hydroxyethylpyrrolidine which is one of the diclofenac salts, has a lower melting point than diclofenac sodium and is a drug suitable for a transdermally absorbable preparation (Patent Document 1).
- Diclofenac hydroxyethyl pyrrolidine is superior in water solubility to diclofenac sodium and has good compatibility with an aqueous base. Therefore, a cataplasm containing diclofenac hydroxyethyl pyrrolidine has been developed (Patent Document 2).
- the poultices have problems such as insufficient percutaneous absorption of the drug and low adhesion to the skin. JP-A-63-152372 JP-A-6-305958
- An object of the present invention is to provide a diclofenac hydroxyethylpyrrolidine-containing external patch excellent in transdermal absorbability, having little skin irritation, and having excellent stability of the active ingredient. .
- the present invention is a patch in which a pressure-sensitive adhesive layer is laminated on a support, and the pressure-sensitive adhesive layer is 5 to 50% by weight of a styrene / isoprene / styrene block copolymer, 20 to 50% by weight of a tackifier resin, An essential component is 5 to 70% by weight of a softening agent and 0.5 to 20% by weight of one or more solubilizers selected from N-methyl-2-pyrrolidone, propylene glycol and dimethyl sulfoxide.
- a diclofenac hydroxyethylpyrrolidine-containing oily external patch comprising 0.5 to 20% by weight of diclofenac hydroxyethylpyrrolidine.
- the external patch of the present invention can provide a patch excellent in transdermal absorbability of diclofenac hydroxyethylpyrrolidine, having little skin irritation, and excellent in storage stability. There are effects such as.
- the amount of diclofenac hydroxyethyl pyrrolidine is 0.5 to 20% by weight, preferably 1 to 10% by weight.
- the blending amount of diclofenac hydroxyethylpyrrolidine is 0.5% by weight or less, sufficient medicinal effect cannot be obtained.
- crystallization of the main ingredient in the formulation, etc. It has an adverse effect on it.
- solubilizer for diclofenac hydroxyethylpyrrolidine in the present invention one or more selected from N-methyl-2-pyrrolidone, propylene glycol and dimethyl sulfoxide are used. Of these, propylene glycol is particularly preferred.
- the blending amount is 0.5 to 20% by weight, preferably 1 to 10% by weight. When the blending amount is 0.5% by weight or less, the main ingredient cannot be sufficiently dissolved in the preparation, and as a result, the preparation has a reduced transdermal absorbability or crystallization of the main ingredient in the preparation. Deteriorating physical properties. When blended in an amount of 20% by weight or more, the physical properties of the preparation are adversely affected, such as an increase in skin irritation and a decrease in the cohesive strength of the base.
- the blending amount of the styrene / isoprene / styrene block copolymer used in the pressure-sensitive adhesive layer of the present invention is 5 to 50% by weight, preferably 10 to 30% by weight. If the amount is 5% by weight or less, the cohesive force of the adhesive layer is not sufficient and the base remains on the skin. If the amount is 50% by weight or more, the cohesive force is too high, resulting in a decrease in adhesive force or a reduction in kneading work. It is not preferable.
- the tackifying resin is one that gives adhesion to the skin by mixing with a styrene / isoprene / styrene block copolymer, and its blending amount is 20 to 50% by weight, more preferably 20 to 35% by weight. It is. If the blending amount of the tackifying resin is less than 20% by weight, the adhesive physical properties as an external patch are deteriorated, and if it exceeds 50% by weight, the tackiness becomes too strong and it causes physical skin irritation when peeled off from the skin. Absent.
- tackifier resin used in the present invention one or more kinds selected from rosin resin, terpene resin, petroleum resin, phenol resin, xylene resin and the like can be used. Esters and alicyclic saturated hydrocarbon resins are preferred.
- the pressure-sensitive adhesive layer of the present invention can further contain a softening agent such as oils and fats such as liquid paraffin and petrolatum, and liquid rubbers such as polybutene, polyisobutylene and polyisoprene, and the blending amount is 5 to 70. % By weight, more preferably 20 to 60% by weight. In particular, liquid paraffin and polybutene are preferable.
- a percutaneous absorption enhancer or the like can be added to improve the transdermal absorbability of diclofenac hydroxyethylpyrrolidine.
- transdermal absorption enhancers include fatty acid esters such as isopropyl myristate and diisopropyl adipate, higher fatty acids such as isostearic acid, oleic acid and myristic acid, amines such as diisopropanolamine and triethanolamine, and monoolein Surfactants such as acid sorbitan and lauromacrogol are listed.
- An acidic polymer can be mix
- an acidic polymer is added to the oily patch of the present invention, part or all of the hydroxyethylpyrrolidine salt is desalted from diclofenac hydroxyethylpyrrolidine, resulting in the formation of a diclofenac-free body, and the percutaneous absorption of the drug.
- the acidic polymer in the present invention polyacrylic acid is particularly preferable, and its blending amount is 0.1 to 10% by weight, more preferably 0.1 to 5% by weight.
- the base component of the present invention components usually used when producing a patch are appropriately selected and added as necessary for adjusting the adhesiveness and stability of the base.
- water-absorbing polymers such as polyvinyl pyrrolidone and polyvinyl pyrrolidone / vinyl acetate copolymer, inorganic fillers such as titanium dioxide and silica, and antioxidants such as dibutylhydroxytoluene are appropriately contained in appropriate amounts.
- inorganic fillers such as titanium dioxide and silica
- antioxidants such as dibutylhydroxytoluene
- the support in the oily patch of the present invention is preferably a material rich in flexibility and stretchability, and examples include, but are not limited to, polyester woven fabrics, nonwoven fabrics, and low-density polymer films.
- a material can be selected as appropriate.
- the release liner used in the present invention polyethylene terephthalate, polypropylene, paper or the like is used. The release liner is siliconized as necessary to optimize the release force.
- the oily patch of the present invention can be produced, for example, by the following method. Diclofenac hydroxyethylpyrrolidine is dissolved in the dissolution agent by heating to prepare a drug solution. Separately, a styrene / isoprene / styrene block copolymer, a softening agent (for example, polybutene, liquid paraffin), a tackifier resin, and, if necessary, an antioxidant, an acidic polymer, and the like are mixed with heating and stirring. A pressure-sensitive adhesive layer obtained by adding a chemical solution to this pressure-sensitive adhesive base and stirring and mixing until uniform is coated on a liner by a known method and bonded to a support. The external patch of the present invention can be obtained by cutting into a shape. In this case, the coating amount of the pressure-sensitive adhesive layer is 50 to 400 g / m 2 suffices, preferably 100 to 200 g / m 2 .
- Comparative Example With reference to Example 1 of Patent Document 2, an external patch (a patch) of Comparative Example 1 shown in Table 2 was prepared.
- Test Example 1 In vitro rat skin permeability test
- in vitro skin penetration in rats for Examples 1 to 4 and Comparative Example 1.
- a sex test was performed. The abdominal excised skin of Wistar rats was set in a Franz diffusion cell, and each test preparation cut into a circle ( ⁇ 14 mm) was attached. The receptor side was filled with phosphate buffered saline, and warm water at 37 ° C. was refluxed to the water jacket. The receptor fluid was sampled over time, and the amount of diclofenac hydroxyethyl pyrrolidine that permeated through the skin was measured by liquid chromatography. The result is shown in FIG.
- Test Example 2 Rabbit Skin Primary Irritation Test The skin primary irritation of Examples 1 to 4 and Comparative Example 1 was tested by the Draize method using rabbits. Each test preparation is affixed to healthy and damaged skin on the back of the rabbit for 24 hours, and skin symptoms after 1 hour, 24 hours, and 48 hours after peeling are visually determined according to the criteria shown in Table 3, and the stimulation index of each test preparation is calculated. did. The criteria for determining the stimulation index are shown in Table 3-1, and the measurement results are shown in Table 3-2.
- Test Example 3 Stability test For Examples 1 to 4, the drug stability in the patches was evaluated. After each test preparation was stored at 40 ° C. for 6 months, the drug concentration of the collected sample was measured by liquid chromatography, and the diclofenac hydroxyethylpyrrolidine content in each preparation before the start of the test was set as an initial value (100%). The drug residual ratio (vs. initial%) of each preparation after storage was calculated. The results are shown in Table 4.
- the oily patch of the present invention is a highly safe preparation at the same level as the cataplasm of the comparative example, and is a formulation exhibiting very high transdermal absorbability compared to cataplasms. It has been found. It was also found that the stability of the active ingredient was very good. That is, the diclofenac hydroxyethylpyrrolidine-containing oily external patch of the present invention is an external patch having excellent transdermal absorbability, safety, and stability of the active ingredient.
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Abstract
Description
即ち本発明は、支持体に粘着剤層が積層された貼付剤であって、該粘着剤層がスチレン・イソプレン・スチレンブロック共重合体5~50重量%、粘着付与樹脂20~50重量%、軟化剤5~70重量%、およびN-メチル-2-ピロリドン、プロピレングリコール及びジメチルスルホキシドから選択される1種あるいは2種以上の溶解剤0.5~20重量%を必須成分とし、有効成分としてジクロフェナクヒドロキシエチルピロリジン0.5~20重量%を配合してなることを特徴とするジクロフェナクヒドロキシエチルピロリジン含有油性外用貼付剤である。
通常、粘着付与樹脂はスチレン・イソプレン・スチレンブロック共重合体と混合することにより、皮膚への粘着性を与えるものであり、その配合量は20~50重量%、より好ましくは20~35重量%である。粘着付与樹脂の配合量が20重量%未満では外用貼付剤としての粘着物性が悪くなり、50重量%を越えると粘着タックが強くなりすぎて皮膚から剥がすとき、物理的な皮膚刺激を生じるため好ましくない。本発明に用いる粘着付与樹脂としては、ロジン系樹脂、テルペン系樹脂、石油系樹脂、フェノール系樹脂、キシレン系樹脂等から1種又は2種以上を選択して使用でき、特に、水添ロジングリセリンエステルと脂環族飽和炭化水素樹脂が好ましい。
本発明には、ジクロフェナクヒドロキシエチルピロリジンの経皮吸収性を向上させるため経皮吸収促進剤等を添加することができる。経皮吸収促進剤として具体的には、ミリスチン酸イソプロピル、アジピン酸ジイソプロピル等の脂肪酸エステル、イソステアリン酸、オレイン酸、ミリスチン酸等の高級脂肪酸、ジイソプロパノールアミン、トリエタノールアミン等のアミン類、モノオレイン酸ソルビタン、ラウロマクロゴール等の界面活性剤などが挙げられる。
さらに本発明の基剤成分として、基剤の接着性・安定性の調整のために必要に応じて、通常貼付剤を製する時に用いられる成分が、適宜選択され、添加される。具体的には、ポリビニルピロリドン、ポリビニルピロリドン/酢酸ビニル共重合体等の吸水性高分子、二酸化チタン、シリカ類等の無機充填剤、及びジブチルヒドロキシトルエン等の酸化防止剤などを適宜適量含有させることができる。
本発明に使用される剥離ライナーは、ポリエチレンテレフタレート、ポリプロピレン、紙等が用いられる。剥離ライナーは剥離力を至適にするため必要に応じてシリコン処理される。
実施例
表1に示す処方より、上記の製造法に従い、各実施例の油性貼付剤を作製した。
本発明の油性貼付剤におけるジクロフェナクヒドロキシエチルピロリジンの経皮吸収性を検討するため、実施例1~4、及び比較例1について、ラットにおけるin vitro 皮膚透過性試験を行った。Wistar系ラットの腹部摘出皮膚をフランツ型拡散セルにセットし、円形(φ14mm)に裁断した各試験製剤を貼付した。レセプター側にはリン酸緩衝生理食塩水を満たし、ウォータージャケットには、37℃の温水を還流した。経時的にレセプター液をサンプリングし、皮膚を透過したジクロフェナクヒドロキシエチルピロリジン量を液体クロマトグラフ法により測定した。
その結果を、図1に示す。
実施例1~4、及び比較例1の皮膚一次刺激性について、ウサギを用いたDraize法にて試験を行った。ウサギ背部の健常皮膚及び損傷皮膚に各試験製剤を24時間貼付し、剥離1時間、24時間、48時間後の皮膚症状を表3の判定基準に従って目視判定し、各試験製剤の刺激指数を算出した。刺激指数の判定基準を表3-1に示し、測定結果を、表3-2に示す。
実施例1~4について、貼付剤中の薬物安定性を評価した。各試験製剤を40℃で6ヶ月間保存後、採取したサンプルの薬物濃度を液体クロマトグラフ法により測定し、試験開始前の各製剤中におけるジクロフェナクヒドロキシエチルピロリジン含量を初期値(100%)として、保存後の各製剤の薬物残存率(対初期%)を計算した。その結果を表4に示す。
Claims (2)
- 支持体に粘着剤層が積層された貼付剤であって、該粘着剤層が、スチレン・イソプレン・スチレンブロック共重合体5~50重量%、粘着付与樹脂20~50重量%、軟化剤5~70重量%、およびN-メチル-2-ピロリドン、プロピレングリコール及びジメチルスルホキシドから選択される1種あるいは2種以上の溶解剤0.5~20重量%を必須成分とし、有効成分としてジクロフェナクヒドロキシエチルピロリジン0.5~20重量%配合してなるジクロフェナクヒドロキシエチルピロリジン含有油性外用貼付剤。
- 該粘着剤層にさらに酸性高分子を含有することを特徴とする請求項1に記載のジクロフェナクヒドロキシエチルピロリジン含有外用貼付剤。
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG2012049953A SG182391A1 (en) | 2010-01-07 | 2011-01-05 | Anti-inflammatory analgesic adhesive patch for external use |
EP11731785.9A EP2524692B1 (en) | 2010-01-07 | 2011-01-05 | Anti-inflammatory analgesic adhesive patch for external use |
AU2011204228A AU2011204228B2 (en) | 2010-01-07 | 2011-01-05 | Anti-inflammatory analgesic adhesive patch for external use |
PL11731785T PL2524692T3 (pl) | 2010-01-07 | 2011-01-05 | Przeciwzapalny, przeciwbólowy plaster adhezyjny do zewnętrznego stosowania |
DK11731785.9T DK2524692T3 (da) | 2010-01-07 | 2011-01-05 | Anti-inflammatorisk analgetisk hæfteplaster til ekstern anvendelse |
JP2011549001A JP5748671B2 (ja) | 2010-01-07 | 2011-01-05 | 消炎鎮痛外用貼付剤 |
KR1020127019471A KR101797787B1 (ko) | 2010-01-07 | 2011-01-05 | 소염진통제의 외용 패치제 |
CA2786233A CA2786233C (en) | 2010-01-07 | 2011-01-05 | Anti-inflammatory analgesic adhesive patch for external use |
ES11731785.9T ES2503215T3 (es) | 2010-01-07 | 2011-01-05 | Parche adhesivo analgésico antiinflamatorio para uso externo |
CN201180005437.9A CN102791267B (zh) | 2010-01-07 | 2011-01-05 | 消炎镇痛外用贴剂 |
US13/520,431 US8657798B2 (en) | 2010-01-07 | 2011-01-05 | Anti-inflammatory analgesic adhesive patch for external use |
HK13105569.5A HK1178459A1 (en) | 2010-01-07 | 2013-05-09 | Anti-inflammatory analgesic adhesive patch for external use |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010002188 | 2010-01-07 | ||
JP2010-002188 | 2010-01-07 |
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WO2011083787A1 true WO2011083787A1 (ja) | 2011-07-14 |
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PCT/JP2011/050021 WO2011083787A1 (ja) | 2010-01-07 | 2011-01-05 | 消炎鎮痛外用貼付剤 |
Country Status (15)
Country | Link |
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US (1) | US8657798B2 (ja) |
EP (1) | EP2524692B1 (ja) |
JP (1) | JP5748671B2 (ja) |
KR (1) | KR101797787B1 (ja) |
CN (1) | CN102791267B (ja) |
AU (1) | AU2011204228B2 (ja) |
CA (1) | CA2786233C (ja) |
DK (1) | DK2524692T3 (ja) |
ES (1) | ES2503215T3 (ja) |
HK (1) | HK1178459A1 (ja) |
PL (1) | PL2524692T3 (ja) |
PT (1) | PT2524692E (ja) |
SG (1) | SG182391A1 (ja) |
TW (1) | TWI482645B (ja) |
WO (1) | WO2011083787A1 (ja) |
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WO2013133387A1 (ja) * | 2012-03-07 | 2013-09-12 | 株式会社 ケイ・エム トランスダーム | 貼付剤 |
WO2013191128A1 (ja) * | 2012-06-20 | 2013-12-27 | 久光製薬株式会社 | 貼付剤 |
KR20140038893A (ko) * | 2012-09-21 | 2014-03-31 | 도요세이칸 그룹 홀딩스 가부시키가이샤 | 포장재 및 그것을 이용해서 이루어지는 포장 구조 |
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KR102191302B1 (ko) * | 2012-09-21 | 2020-12-15 | 도요세이칸 그룹 홀딩스 가부시키가이샤 | 포장재 및 그것을 이용해서 이루어지는 포장 구조 |
US11872320B2 (en) | 2021-02-25 | 2024-01-16 | Hisamitsu Pharmaceutical Co., Inc. | Method for treating osteoarthritis |
Also Published As
Publication number | Publication date |
---|---|
CN102791267A (zh) | 2012-11-21 |
JP5748671B2 (ja) | 2015-07-15 |
ES2503215T3 (es) | 2014-10-06 |
KR20120101720A (ko) | 2012-09-14 |
CN102791267B (zh) | 2015-06-10 |
DK2524692T3 (da) | 2014-10-20 |
TWI482645B (zh) | 2015-05-01 |
AU2011204228B2 (en) | 2014-03-27 |
JPWO2011083787A1 (ja) | 2013-05-13 |
CA2786233C (en) | 2018-01-02 |
KR101797787B1 (ko) | 2017-11-15 |
EP2524692A4 (en) | 2013-07-31 |
US8657798B2 (en) | 2014-02-25 |
AU2011204228A1 (en) | 2012-07-19 |
CA2786233A1 (en) | 2011-07-14 |
EP2524692B1 (en) | 2014-09-10 |
PL2524692T3 (pl) | 2015-03-31 |
US20120283671A1 (en) | 2012-11-08 |
SG182391A1 (en) | 2012-08-30 |
HK1178459A1 (en) | 2013-09-13 |
TW201141545A (en) | 2011-12-01 |
EP2524692A1 (en) | 2012-11-21 |
PT2524692E (pt) | 2014-09-18 |
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