JP2010523920A - 乾燥保護コーティングを備えた管状ねじ山付き要素 - Google Patents
乾燥保護コーティングを備えた管状ねじ山付き要素 Download PDFInfo
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- JP2010523920A JP2010523920A JP2010502540A JP2010502540A JP2010523920A JP 2010523920 A JP2010523920 A JP 2010523920A JP 2010502540 A JP2010502540 A JP 2010502540A JP 2010502540 A JP2010502540 A JP 2010502540A JP 2010523920 A JP2010523920 A JP 2010523920A
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
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- C—CHEMISTRY; METALLURGY
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/76—Applying the liquid by spraying
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
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- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
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- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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Abstract
【選択図】図1
Description
固体潤滑転移フィルム効果あるいはリーフィング効果
流体力学的潤滑条件の乾燥状態において固体潤滑剤は、流体あるいは粘塑性物質に分散する際に、安定した方法で表面に固定される性質を有し、表面の摩擦特性を改質する。固体潤滑剤は、化学的結合により表面に転移および結合され、摩耗に対する高レベルの抵抗性と摩擦特性の向上をもたらす。固体の性質によっては、表面に、高い表面荷重応力(ヘルツ応力)により発生する極圧での耐摩耗保護性、耐摩耗抵抗性および耐摩耗特性と、広範囲にわたる荷重および摩擦速度での低い摩擦係数とを与える。転移フィルム効果あるいはリーフィング効果は、管状ねじ山付き接続部の系の組立ておよび分解の間に生成されるような、表面に反復的に応力が課される摩擦の型のために使用される。
第3の摩擦体は、摩擦の間に2つの表面の間に接触して介在する物体である。
この特性は、極めて高いヘルツ応力が課された表面に、摩耗に耐えるとともに低摩擦係数により摺動することを可能にさせる、特定の生成物の性質である。
荷重応力下で接触する表面は、弾性的に変形し、特定の領域の接触域を決定付ける。その領域により分けられて加えられた荷重は、ヘルツ圧力あるいは応力を決定付ける。高ヘルツ応力の間に、固体の非可塑性物質は内部せん断の影響を受けて物質の疲労により使用寿命を減らすが、固体の可塑性物質は構造的劣化を伴わずにせん断効果を受ける。
この用語は、活性成分を所定の位置に固定または搬送することを可能にする系を意味するために使用される。また、マトリックスは、異なる系用の接着剤として使用することができるとともに、活性成分の結合または担持を完全なものにする機能を有することができる。
基本的な性質を有する物体を、全く異なる性質および挙動を示す複合体に組み合わせることができる。その複合体の挙動がそれらの成分の組み合わせよりも優れた性質を導く場合を、相乗作用と呼ぶ。
高い変形性があるか流体であり、わずかでも、静水圧効果下で限られた変形やせん断応力効果下で不定流を経る物体がある。例えば、オイルやグリースである。
本発明によるマトリックスにおいて使用される物質は、表1におけるカテゴリー1に属する。
本発明の固体マトリックスは、少なくとも1種の熱可塑性ポリマーを含む。
この用語は、アルカリ金属、アルカリ土類金属ならびに他の金属の石鹸を包含する。これらは、表面間に流動性を有する可溶性の化合物である(表1におけるカテゴリー1)。
この用語は、ペースト状または硬い粘稠性の多少やその性質によって広範囲に変化することができる融点および滴点を伴う、様々な由来(特に石油の蒸留からもたらされる無機物、植物、動物あるいは合成品)の潤滑特性を有する可溶性物質を含む。
これらの添加剤は、異なる腐食環境から表面を保護するための性能を、表面に適用された液体あるいは固体物質に与える。これらの腐食防止剤は、化学、電気化学あるいは物理化学的機構にしたがって作用する。
固体潤滑剤は、2つの摩擦面間に介在し、摩擦係数を低くするとともに表面の摩耗および損傷を減らすことを可能にする固形安定体である。
これらは、閉じられたもしくは開いた管状あるいは閉じられたもしくは開いた球状で、単層または多層状の構造を有する分子材料である。球状フラーレンは、単層体の場合には数十nmのサイズ、多層体の場合には約80nmより大きいサイズを伴う。それらは、安定して、表面粗さにより作り出された部位の阻止や破片型の劣化の阻止をすることにより表面に作用する。
本発明は、作業中に管状ねじ山付き接続部に課される異なる応力を考慮している。
摩擦系は、ねじ山接続部の組立ておよび分解の間に直面する極めて多様な摩擦速度による複合体である。つまり、速度は、組立ての間は相対的に高く、組立終了あるいは分解開始の際には殆どゼロであることができる。
表面の耐腐食保護の要請によっては、マトリックス内に腐食防止剤を含ませることが必要であり得る。そのような防止剤の中でも、スルホン酸カルシウム誘導体、より詳細にはALOX(登録商標)606の名称でLUBRIZOL社により市販されている製品などのワックス、石油樹脂あるいはスルホン酸カルシウムによりなる媒体における酸化カルシウムとスルホン酸カルシウムとの結合体は、それ自体が特に(腐食防止)性能を示すが、アミン、アミノボレート、第4級アミン、ポリα−オレインにおけるスーパーアルカリ化硫酸、ストロンチウムホスホシリケート、亜鉛ホスホシリケートおよびボレートカルボキシレート型の腐食防止剤も同等に使用することができる。
マトリックスの組成は、環境汚染の可能性を除去するために、表面上の摩擦から生じるデブリス粒子を阻止するために提供される。マトリックスの適切な組成の貢献により、デブリス粒子は、形成されるとすぐに再凝集する。
周囲温度でのコーティングの接着および外観を向上させるために、マトリックスに少なくとも1種の表面活性剤を添加することが必要であり得る。
マトリックスの成分と、
同じクラスの固体潤滑剤とである。
実施例は、ヴァルレック・マンネスマンチューブのOCTG部門により編纂された技術仕様書にしたがった名目直径177.8mm(7インチ)、線密度43.15kg/m(29 lb/ft)の低合金鋼のVAM TOP HC型の管状ねじ山付き接続部を伴う。
LANCO1955SFの名称でNOVEON社より市販されているカルナバワックス
LIGASTAB ZN70の名称でPETER GREVEN社より市販されているステアリン酸亜鉛
VISCOPLEX6−950の名称でROHMAX社より市販されているPAMA(アルキルポリメタクリレート)
ALOX606の名称でLUBRIZOL社より市販されているスルホン酸カルシウム誘導体
DC56の名称でDOW CORNING社より市販されているシリコン(表面活性要素)、シリコンはエマルジョン状である
一方は芳香族アミンとフェノールの混合物であり、他方はリン酸フェニルであるIRGANOX L150およびIRGAFOS 168の名称でチバガイギー社より、それぞれ市販されている抗酸化剤
BNの名称でESK社より市販されている窒化ホウ素
ZnOの名称でSILAR S.A.社より市販されている酸化亜鉛
CFxの名称でARC社より市販されているフッ化グラファイト
SnS2の名称でCHEMETALL社より市販されている二硫化スズ
PTFEの名称でSILAR S.A.社より市販されているポリテトラフルオロエチレン
RILSAN B.の名称でARKEMA社より市販されているポリアミド11
Claims (43)
- 基板にベタ付かずに(not sticky to the touch)付着する固相の薄いコーティングにより覆われたねじ山(threading)を備える摩損(galling)に抵抗性がある管状ねじ山付き接続部用ねじ山付き要素であって、前記薄いコーティングは固体マトリックスと当該マトリックス内の少なくとも1種の固体潤滑剤の粒子の分散液とを含み、前記マトリックスは潤滑性があり塑性または粘塑性型のレオロジー的挙動を示すことを特徴とする、管状ねじ山付き接続部用ねじ山付き要素。
- 前記マトリックスは、80〜320℃の間の融点を有することを特徴とする、請求項1に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の熱可塑性ポリマーと、摩擦により前記ねじ山付き要素の表面近傍に形成される、デブリス粒子を再凝集させることが可能なデブリス粒子再凝集体手段とを含むことを特徴とする、請求項1および2のいずれか1項に記載のねじ山付き要素。
- 前記熱可塑性ポリマーは、ポリエチレンであることを特徴とする、請求項3に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の金属石鹸を含むことを特徴とする、請求項1〜4のいずれか1項に記載のねじ山付き要素。
- 前記石鹸は、ステアリン酸亜鉛であることを特徴とする、請求項5に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の植物、動物、無機物または合成品由来のワックスを含むことを特徴とする、請求項1〜6のいずれか1項に記載のねじ山付き要素。
- ワックスは、カルナバワックスであることを特徴とする、請求項7に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の腐食防止剤を含むことを特徴とする、請求項1〜8のいずれか1項に記載のねじ山付き要素。
- 前記腐食防止剤は、スルホン酸カルシウム誘導体であることを特徴とする、請求項9に記載のねじ山付き要素。
- 前記石鹸は、基準ISO9227による塩水噴霧試験における腐食の発生のための時間が向上するように選択されることを特徴とする、請求項5、6、9および10のいずれか1項に記載のねじ山付き要素。
- 前記マトリックスは、100℃における動粘度が850mm2/秒以上である少なくとも1種の液体ポリマーを含むことを特徴とする、請求項1〜11のいずれか1項に記載のねじ山付き要素。
- 前記液体ポリマーは、水に不溶性であることを特徴とする、請求項12に記載のねじ山付き要素。
- 前記液体ポリマーは、アルキルポリメタクリレート、ポリブテン、ポリイソブテンおよびポリジアルキルシロキサンから選択されることを特徴とする、請求項12および13のいずれか1項に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の表面活性剤を含むことを特徴とする、請求項1〜14のいずれか1項に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の着色剤を含むことを特徴とする、請求項1〜15のいずれか1項に記載のねじ山付き要素。
- 前記マトリックスは、少なくとも1種の抗酸化剤を含むことを特徴とする、請求項1〜16のいずれか1項に記載のねじ山付き要素。
- 前記少なくとも1種の固体潤滑剤の粒子の分散液は、クラス1、2、3または4の1種の潤滑剤の粒子を含むことを特徴とする、請求項1〜17のいずれか1項に記載のねじ山付き要素。
- 前記固体潤滑剤の粒子は、グラファイト粒子を除くクラス1の潤滑剤の粒子から選択されることを特徴とする、請求項18に記載のねじ山付き要素。
- 前記固体潤滑剤の粒子は、窒化ホウ素および酸化亜鉛から選択されるクラス1の少なくとも1種の固体潤滑剤の粒子を含むことを特徴とする、請求項18および19のいずれか1項に記載のねじ山付き要素。
- 前記固体潤滑剤の粒子は、二硫化モリブデンの粒子を除くクラス2の潤滑剤の粒子から選択されることを特徴とする、請求項18に記載のねじ山付き要素。
- 前記固体潤滑剤の粒子は、フッ化グラファイト、硫化スズおよび硫化ビスマスから選択されるクラス2の少なくとも1種の固体潤滑剤の粒子を含むことを特徴とする、請求項18および21のいずれか1項に記載のねじ山付き要素。
- 前記固体潤滑剤の粒子は、ポリテトラフルオロエチレンおよびポリアミド11から選択されるクラス4の少なくとも1種の固体潤滑剤の粒子を含むことを特徴とする、請求項18に記載のねじ山付き要素。
- 前記シリコンは、ポリジメチルシロキサンまたは商品名DC56でDOW CORING社より市販されているものであることを特徴とする、請求項24に記載のねじ山付き要素。
- 前記コーティングの厚さは、10μm〜50μmの間であることを特徴とする、請求項18〜26のいずれか1項に記載のねじ山付き要素。
- 前記コーティングはさらに、密封面であって、2つのねじ山付き要素のアセンブリーを組み立てた後に第2のねじ山付き要素の対応する密封面に密封締め(sealing tight)にて接触可能な面に、適用されることを特徴とする、請求項18〜27のいずれか1項に記載のねじ山付き要素。
- 前記コーティングは、球形構造の少なくとも1種のフラーレンの分子を含むことを特徴とする、請求項1〜28のいずれか1項に記載のねじ山付き要素。
- 雄型ねじ山付き要素と雌型ねじ山付き要素とを備えた管状ねじ山付き接続部であって、前記ねじ山付き要素の少なくとも1つが請求項1〜29のいずれか1項に記載のねじ山付き要素であることを特徴とする、管状ねじ山付き接続部。
- 管状ねじ山付き要素を仕上げるための方法であって、薄層状の耐摩損コーティングが固体コーティングを生成するためにねじ山の表面に少なくとも塗布される方法において、被覆される前記表面にコーティングの接着性を向上させるための表面処理が施され、かつ前記コーティングの成分が請求項1〜30のいずれか1項に定義されたものであることを特徴とする、管状ねじ山付き要素を仕上げるための方法。
- 前記コーティングの成分がマトリックスの融点よりも高い温度に高められ、かつ前記コーティングが溶融状態のマトリックスを含む前記成分の噴霧により塗布されることを特徴とする、請求項31に記載の方法。
- 前記コーティングは、前記コーティングの成分により形成された粉末の炎を経た射出(projection)により塗布されることを特徴とする、請求項32に記載の方法。
- 前記コーティングは、前記コーティングの成分が分散した水溶性エマルジョンの噴霧により塗布されることを特徴とする、請求項33に記載の方法。
- 前記ねじ山付き要素は、80℃以上に高められることを特徴とする、請求項31〜34のいずれか1項に記載の方法。
- 前記ねじ山付き要素は、周囲温度であることを特徴とする、請求項31〜34のいずれか1項に記載の方法。
- 前記表面処理は、機械的処理、化学的処理および非反応性堆積(non−reactive deposits)から選択されることを特徴とする、請求項31〜36のいずれか1項に記載の方法。
- 被覆された前記表面が金属面であり、前記表面処理が前記表面の化学的変換のための処理であることを特徴とする、請求項31〜37のいずれか1項に記載の方法。
- 前記化学的変換は、リン酸塩処理であることを特徴とする、請求項38に記載の方法。
- 前記表面処理の後に、耐腐食作用を伴うナノ物質(11)により被覆された前記表面の粗さまたは多孔性(12)を埋める(impregnation)ための処理が行われることを特徴とする、請求項31〜39のいずれか1項に記載の方法。
- 前記ナノ物質は、酸化亜鉛の粒子(11)であることを特徴とする、請求項40に記載の方法。
- 前記ナノ物質は、200nmのオーダーの平均粒子径であることを特徴とする、請求項40および41のいずれか1項に記載の方法。
- 前記ナノ物質は、分散液に適用されることを特徴とする、請求項40〜42のいずれか1項に記載の方法。
Applications Claiming Priority (1)
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PCT/FR2007/000627 WO2008125740A1 (fr) | 2007-04-13 | 2007-04-13 | Element filete tubulaire muni d'un revetement protecteur sec |
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JP2010523920A true JP2010523920A (ja) | 2010-07-15 |
JP5295219B2 JP5295219B2 (ja) | 2013-09-18 |
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US (2) | US20100201119A1 (ja) |
EP (1) | EP2150740B2 (ja) |
JP (1) | JP5295219B2 (ja) |
CN (1) | CN101715524B (ja) |
BR (1) | BRPI0721621B1 (ja) |
CA (1) | CA2683323C (ja) |
ES (1) | ES2389808T3 (ja) |
MX (1) | MX2009011010A (ja) |
NO (1) | NO342550B1 (ja) |
PL (1) | PL2150740T3 (ja) |
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WO2015141159A1 (ja) * | 2014-03-20 | 2015-09-24 | 新日鐵住金株式会社 | 固体潤滑被膜用組成物、その組成物から形成された固体潤滑被膜を備えた管用ねじ継手、及び、その管用ねじ継手の製造方法 |
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FR2970028B1 (fr) | 2010-12-29 | 2012-12-28 | Vallourec Mannesmann Oil & Gas | Procede de revetement d'un composant tubulaire filete, composant filete et joint resultant |
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JP6491244B2 (ja) | 2014-06-23 | 2019-03-27 | サウスワイヤー・カンパニー・リミテッド・ライアビリティ・カンパニーSouthwire Company,Llc | 耐uv性超疎水性コーティング組成物 |
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JP2013506797A (ja) * | 2009-09-30 | 2013-02-28 | ヴァルレック・マンネスマン・オイル・アンド・ガス・フランス | 耐摩耗性ねじ山式管状コンポーネントとその被覆方法 |
WO2015141159A1 (ja) * | 2014-03-20 | 2015-09-24 | 新日鐵住金株式会社 | 固体潤滑被膜用組成物、その組成物から形成された固体潤滑被膜を備えた管用ねじ継手、及び、その管用ねじ継手の製造方法 |
JP5998278B2 (ja) * | 2014-03-20 | 2016-09-28 | 新日鐵住金株式会社 | 固体潤滑被膜用組成物、その組成物から形成された固体潤滑被膜を備えた管用ねじ継手、及び、その管用ねじ継手の製造方法 |
EA035203B1 (ru) * | 2014-03-20 | 2020-05-15 | Ниппон Стил Корпорейшн | Композиция для твердого смазочного покрытия, резьбовое соединение для трубы или трубопровода трубы, включающее твердое смазочное покрытие, сформированное из композиции, и способ изготовления резьбового соединения |
Also Published As
Publication number | Publication date |
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CN101715524A (zh) | 2010-05-26 |
EP2150740B2 (fr) | 2017-10-18 |
EP2150740A1 (fr) | 2010-02-10 |
MX2009011010A (es) | 2009-10-30 |
NO342550B1 (no) | 2018-06-11 |
PL2150740T3 (pl) | 2012-11-30 |
US20100201119A1 (en) | 2010-08-12 |
WO2008125740A1 (fr) | 2008-10-23 |
CA2683323C (fr) | 2014-08-19 |
CN101715524B (zh) | 2014-06-11 |
NO20093128L (no) | 2010-01-04 |
US20140308455A1 (en) | 2014-10-16 |
US9395028B2 (en) | 2016-07-19 |
JP5295219B2 (ja) | 2013-09-18 |
EP2150740B1 (fr) | 2012-06-13 |
BRPI0721621A2 (pt) | 2013-01-01 |
CA2683323A1 (fr) | 2008-10-23 |
ES2389808T3 (es) | 2012-10-31 |
BRPI0721621B1 (pt) | 2019-01-02 |
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