BRPI1015095A2 - composição, processos para preparar uma composição e um material de poli-isocianurato , e, material de poli-isocianurato - Google Patents
composição, processos para preparar uma composição e um material de poli-isocianurato , e, material de poli-isocianuratoInfo
- Publication number
- BRPI1015095A2 BRPI1015095A2 BRPI1015095A BRPI1015095A BRPI1015095A2 BR PI1015095 A2 BRPI1015095 A2 BR PI1015095A2 BR PI1015095 A BRPI1015095 A BR PI1015095A BR PI1015095 A BRPI1015095 A BR PI1015095A BR PI1015095 A2 BRPI1015095 A2 BR PI1015095A2
- Authority
- BR
- Brazil
- Prior art keywords
- composition
- polyisocyanurate material
- preparing
- processes
- polyisocyanurate
- Prior art date
Links
- 239000000463 material Substances 0.000 title 2
- 229920000582 polyisocyanurate Polymers 0.000 title 2
- 239000011495 polyisocyanurate Substances 0.000 title 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/003—Polymeric products of isocyanates or isothiocyanates with epoxy compounds having no active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/285—Nitrogen containing compounds
- C08G18/2865—Compounds having only one primary or secondary amino group; Ammonia
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4045—Mixtures of compounds of group C08G18/58 with other macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/58—Epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4021—Ureas; Thioureas; Guanidines; Dicyandiamides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4028—Isocyanates; Thioisocyanates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09158307 | 2009-04-21 | ||
EP09158307.0 | 2009-04-21 | ||
PCT/EP2010/054492 WO2010121898A1 (en) | 2009-04-21 | 2010-04-06 | Polyisocyanate composition |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI1015095A2 true BRPI1015095A2 (pt) | 2016-05-03 |
BRPI1015095B1 BRPI1015095B1 (pt) | 2019-09-17 |
Family
ID=40941571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI1015095-1A BRPI1015095B1 (pt) | 2009-04-21 | 2010-04-06 | Composição, processos para preparar uma composição e um material de poli-isocianurato , e, material de poli-isocianurato |
Country Status (10)
Country | Link |
---|---|
US (1) | US9018333B2 (pt) |
EP (1) | EP2421906B1 (pt) |
JP (1) | JP5410595B2 (pt) |
KR (1) | KR101718174B1 (pt) |
CN (1) | CN102405244B (pt) |
BR (1) | BRPI1015095B1 (pt) |
CA (1) | CA2755856C (pt) |
PL (1) | PL2421906T3 (pt) |
RU (1) | RU2490284C2 (pt) |
WO (1) | WO2010121898A1 (pt) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2560434C2 (ru) * | 2011-01-31 | 2015-08-20 | Хантсмэн Интернэшнл Ллс | Композиция на основе эпоксидной смолы |
CN104093762B (zh) * | 2011-11-22 | 2020-06-30 | 亨茨曼国际有限公司 | 包含环氧树脂的可固化多异氰酸酯组合物 |
RU2584948C2 (ru) * | 2011-12-28 | 2016-05-20 | Хантсмэн Интернэшнл Ллс | Отверждаемая композиция, содержащая полиизоцианатную композицию |
EP2644270A1 (en) * | 2012-03-29 | 2013-10-02 | Huntsman International Llc | Polyisocyanate trimerization catalyst composition |
EP2687551A1 (en) * | 2012-07-17 | 2014-01-22 | Huntsman International Llc | Intermediate polyisocyanurate comprising materials |
EP2805976A1 (en) * | 2013-05-24 | 2014-11-26 | Huntsman International Llc | Aldehyde comprising compositions suitable for making curable polyisocyanate compositions |
EP2808353A1 (en) * | 2013-05-31 | 2014-12-03 | Huntsman International Llc | A method for improving toughness of polyisocyanate polyaddition reaction products |
AU2014356702B2 (en) * | 2013-11-29 | 2018-03-15 | Basf Se | Polyurethane system with long pot life and rapid hardening |
EP2993195A1 (en) * | 2014-09-05 | 2016-03-09 | Huntsman International Llc | A method for improving fracture toughness of polyisocyanurate comprising reaction products |
EP3303503A1 (en) | 2015-05-27 | 2018-04-11 | Basf Se | Use of a composition for stabilizing a geological formation in oil fields, gas fields, water pumping fields, mining or tunnel constructions |
ES2837253T3 (es) | 2015-05-28 | 2021-06-29 | Basf Se | Compuesto de poliuretano-poliisocianurato con excelentes propiedades mecánicas |
HUE048106T2 (hu) * | 2015-05-29 | 2020-05-28 | Basf Se | Poliuretán-poliizocianurát gyanták hosszú nyitott idejû szálas kompozitokhoz |
WO2016202568A1 (en) * | 2015-06-18 | 2016-12-22 | Huntsman International Llc | In-situ formation of polyurethane catalysts |
BR112018002472B1 (pt) | 2015-08-07 | 2022-08-23 | Huntsman International Llc | Composição curável reativa, processo para fabricação de uma composição curável, método para fabricação de materiais compreendendo poli-isocianurato, e, material compreendendo poli-isocianurato |
JP6934704B2 (ja) * | 2016-03-14 | 2021-09-15 | 旭化成株式会社 | ポリイソシアネート組成物、塗料組成物及び塗装体の製造方法 |
EP3456753A1 (en) * | 2017-09-15 | 2019-03-20 | Covestro Deutschland AG | Method for the production of thermplastic polyoxazolidinone polymers |
WO2019068529A1 (en) * | 2017-10-06 | 2019-04-11 | Basf Se | DISPERSIBLE POLYISOCYANATES IN WATER |
WO2020074293A1 (en) | 2018-10-09 | 2020-04-16 | Basf Se | A process for preparing a prepreg binder composition, a prepreg and use thereof |
WO2020165135A1 (en) | 2019-02-11 | 2020-08-20 | Basf Se | Acrylic copolymer capsule designed to open up at < 90°c for controlled release of in-situ forming pu/pir catalyst |
WO2020193648A1 (en) | 2019-03-28 | 2020-10-01 | Basf Se | Process for producing polyurethane-polyisocyanurate elastomers, sealing materials and adhesives having a long pot life |
CN114206975A (zh) | 2019-08-19 | 2022-03-18 | 巴斯夫欧洲公司 | 具有突出力学性能的聚氨酯-聚异氰脲酸酯化合物 |
JPWO2022102467A1 (pt) * | 2020-11-16 | 2022-05-19 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1340068A (en) | 1970-09-22 | 1973-12-05 | Insituform Pipes & Structures | Lining of surfaces defining passageways |
US3846315A (en) * | 1973-06-27 | 1974-11-05 | Chevron Res | Grease thickened with polyurea metal salts and alkaline earth metal aliphatic monocarboxylate |
SU744015A1 (ru) * | 1977-07-19 | 1980-06-30 | Предприятие П/Я Г-4302 | Состав дл покрытий |
US4366012A (en) | 1981-02-05 | 1982-12-28 | Insituform International Inc. | Impregnation process |
GB8400365D0 (en) | 1984-01-07 | 1984-02-08 | Edgealpha Ltd | Lining of pipelines and passageways |
US4658007A (en) | 1985-05-07 | 1987-04-14 | The Dow Chemical Company | Polyisocyanurate-based polyoxazolidone polymers and process for their preparation |
DE3932958A1 (de) * | 1989-10-03 | 1991-04-11 | Bayer Ag | Verfahren zur herstellung licht- und abgasbestaendiger puh-elastomerfaeden und -folien und elastomerfaeden entsprechender zusammensetzung |
IT1252690B (it) * | 1991-11-26 | 1995-06-23 | Donegani Guido Ist | Composizioni reattive liquide comprendenti poliisocianati, epossidi e soluzioni di alogenuri di metalli alcalini in composti poliossialchilenici |
EP0594133B1 (en) * | 1992-10-22 | 1998-05-06 | Ajinomoto Co., Inc. | Polythiol epoxy resin composition with extended working life |
DE19548770A1 (de) * | 1995-12-23 | 1997-06-26 | Basf Ag | Mikrozelluläres, harnstoffgruppenhaltiges Polyurethanelastomer |
DE10039837C2 (de) | 2000-08-16 | 2003-03-20 | Byk Chemie Gmbh | Verfahren zur Herstellung einer lagerstabilen, rheologisch wirksamen Harnstoffurethan-Lösung mit breiter Verträglichkeit |
US6399698B1 (en) | 2000-10-26 | 2002-06-04 | Pittsburg State University | Process for the synthesis of epoxidized natural oil-based isocyanate prepolymers for application in polyurethanes |
DE10150737A1 (de) * | 2001-10-15 | 2003-04-30 | Hilti Ag | Mehrkomponenten-Ortschaumsystem und dessen Verwendung |
JP2003261818A (ja) * | 2002-03-12 | 2003-09-19 | Kansai Paint Co Ltd | 高固形分塗料組成物 |
UA68225C2 (en) * | 2003-11-21 | 2006-11-15 | Roman Oleksandrovy Veselovskyi | Polyisocyanate composition for concrete impregnation and method for concrete impregnation |
US7473738B2 (en) * | 2004-09-30 | 2009-01-06 | Johnson & Johnson Vision Care, Inc. | Lactam polymer derivatives |
RU2434027C2 (ru) | 2006-02-21 | 2011-11-20 | Хантсмэн Интернэшнл Ллс | Способ производства полиизоциануратного композиционного материала |
JP2009529597A (ja) * | 2006-03-14 | 2009-08-20 | ハンツマン・インターナショナル・エルエルシー | ジイソシアネートとモノアミンから製造される組成物およびその製造方法 |
DE102008029858A1 (de) * | 2008-04-23 | 2009-10-29 | Byk-Chemie Gmbh | Stabile Dispersionen von anorganischen Nanopartikeln |
-
2010
- 2010-04-06 US US13/264,796 patent/US9018333B2/en active Active
- 2010-04-06 JP JP2012506431A patent/JP5410595B2/ja not_active Expired - Fee Related
- 2010-04-06 PL PL10715160T patent/PL2421906T3/pl unknown
- 2010-04-06 BR BRPI1015095-1A patent/BRPI1015095B1/pt not_active IP Right Cessation
- 2010-04-06 WO PCT/EP2010/054492 patent/WO2010121898A1/en active Application Filing
- 2010-04-06 KR KR1020117024722A patent/KR101718174B1/ko active IP Right Grant
- 2010-04-06 EP EP10715160.7A patent/EP2421906B1/en active Active
- 2010-04-06 CA CA2755856A patent/CA2755856C/en active Active
- 2010-04-06 CN CN201080017317.6A patent/CN102405244B/zh active Active
- 2010-04-06 RU RU2011147117/04A patent/RU2490284C2/ru active
Also Published As
Publication number | Publication date |
---|---|
US9018333B2 (en) | 2015-04-28 |
BRPI1015095B1 (pt) | 2019-09-17 |
KR101718174B1 (ko) | 2017-03-20 |
CN102405244B (zh) | 2016-10-05 |
CA2755856A1 (en) | 2010-10-28 |
PL2421906T3 (pl) | 2017-08-31 |
JP5410595B2 (ja) | 2014-02-05 |
CN102405244A (zh) | 2012-04-04 |
CA2755856C (en) | 2013-07-02 |
JP2012524824A (ja) | 2012-10-18 |
KR20120017023A (ko) | 2012-02-27 |
RU2490284C2 (ru) | 2013-08-20 |
RU2011147117A (ru) | 2013-05-27 |
EP2421906B1 (en) | 2017-01-25 |
WO2010121898A1 (en) | 2010-10-28 |
EP2421906A1 (en) | 2012-02-29 |
US20120046436A1 (en) | 2012-02-23 |
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