NO20085113L - Fremgangsmate for torrmaling av materialer som inneholder karbonatmalm - Google Patents
Fremgangsmate for torrmaling av materialer som inneholder karbonatmalmInfo
- Publication number
- NO20085113L NO20085113L NO20085113A NO20085113A NO20085113L NO 20085113 L NO20085113 L NO 20085113L NO 20085113 A NO20085113 A NO 20085113A NO 20085113 A NO20085113 A NO 20085113A NO 20085113 L NO20085113 L NO 20085113L
- Authority
- NO
- Norway
- Prior art keywords
- grinding
- dry
- steps
- unit
- materials containing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding or treatment with ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/06—Selection or use of additives to aid disintegrating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding or treatment with ultrasonic vibrations
- C09C3/041—Grinding
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Food Science & Technology (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Disintegrating Or Milling (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
- Paints Or Removers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Et første formål med foreliggende oppfinnelse er en fremgangsmåte for å tørrmale et materiale inneholdende en karbonatåre, karakterisert ved at fremgangsmåten omfatter de følgende trinnene: a) å tørrmale materialet i minst én maleenhet: (i) i nærværet av minst én polyalkylenglykol polymer der minst 90%, men fortrinnsvis minst 95%, og meget foretrukket minst 98% av monomerenhetene som danner ryggraden av polymeren består av etylenoksid, propylenoksid eller deres blandinger, og der molekylvekten er minst lik 400 g/mol, (ii) slik at mengden vann i maleenheten er mindre enn 10% i tørr vekt av materialet i maleenheten; b) det malte materialet kan deretter klassifiseres ifølge trinn a) med minst én klassifiseringsenhet; c) trinnene a) og/eller b) kan gjentas med alt eller del av det malte materialet fra trinn a) og/eller trinn b). Et annet mål med foreliggende oppfinnelse er anvendelsen av produktene fra trinn a) og/eller b) og/eller c) for å lage forseglere, papir, maling, plastikk eller for formuleringer anvendt i landbruk.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0604690A FR2901491B1 (fr) | 2006-05-24 | 2006-05-24 | Procede de broyage a sec de materiaux contenant un minerai carbonate |
| PCT/IB2007/001323 WO2007138410A1 (fr) | 2006-05-24 | 2007-05-22 | Procede de broyage a sec de materiaux contenant un minerai carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20085113L true NO20085113L (no) | 2009-02-24 |
| NO340275B1 NO340275B1 (no) | 2017-03-27 |
Family
ID=37575298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20085113A NO340275B1 (no) | 2006-05-24 | 2008-12-08 | Fremgangsmåte for tørrmaling av materialer som inneholder karbonatmalm |
Country Status (30)
| Country | Link |
|---|---|
| US (2) | US8074909B2 (no) |
| EP (1) | EP2029677B1 (no) |
| JP (1) | JP5355389B2 (no) |
| KR (1) | KR101297939B1 (no) |
| CN (1) | CN101490180B (no) |
| AR (1) | AR061129A1 (no) |
| AT (1) | ATE480598T1 (no) |
| AU (1) | AU2007266731B2 (no) |
| BR (1) | BRPI0711910B1 (no) |
| CA (1) | CA2653003C (no) |
| CL (1) | CL2007001489A1 (no) |
| CO (1) | CO6141472A2 (no) |
| DE (1) | DE602007009097D1 (no) |
| DK (1) | DK2029677T3 (no) |
| EA (1) | EA016265B1 (no) |
| EG (1) | EG26296A (no) |
| ES (1) | ES2381943T3 (no) |
| FR (1) | FR2901491B1 (no) |
| IL (1) | IL195410A (no) |
| JO (1) | JO2661B1 (no) |
| MX (1) | MX2008014879A (no) |
| NO (1) | NO340275B1 (no) |
| NZ (1) | NZ573795A (no) |
| PL (1) | PL2029677T3 (no) |
| PT (1) | PT2029677E (no) |
| SA (1) | SA07280263B1 (no) |
| TW (1) | TW200803977A (no) |
| UA (1) | UA103591C2 (no) |
| WO (1) | WO2007138410A1 (no) |
| ZA (1) | ZA200810316B (no) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2901491B1 (fr) * | 2006-05-24 | 2009-03-20 | Coatex Sas | Procede de broyage a sec de materiaux contenant un minerai carbonate |
| FR2913428B1 (fr) * | 2007-03-05 | 2009-06-05 | Coatex Soc Par Actions Simplif | Utilisation dans une peinture,d'un carbonate de calcium broye a sec avec un copolymere de l'acide (meth) acrylique avec une fonction alcoxy ou hydroxy polyalkyleneglycol. |
| FR2913427B1 (fr) * | 2007-03-05 | 2011-10-07 | Omya Development Ag | Procede de broyage a sec d'un ou plusieurs materiaux comprenant au moins un carbonate de calcium |
| FR2913426B1 (fr) * | 2007-03-05 | 2009-06-05 | Coatex Soc Par Actions Simplif | Utilisation comme agent de rheologie dans une pate plastique chargee,d'un carbonate de calcium broye a sec avec un copolymere de l'acide (meth) acrylique avec une fonction alcoxy ou hydroxy polyalkyleneglycol. |
| FR2913420B1 (fr) | 2007-03-05 | 2009-05-01 | Coatex Soc Par Actions Simplif | Utilisation dans une composition de liant hydraulique,d'un carbonate de calcium broye a sec avec un copolymere de l'acide (meth) acrylique et une fonction alcoxy ou hydroxy polyalkyleneglycol. |
| ATE549374T1 (de) | 2009-11-19 | 2012-03-15 | Borealis Ag | Oberflächenbeschichtetes calciumcarbonat für polyolefine |
| PL2325245T3 (pl) * | 2009-11-19 | 2015-03-31 | Omya Int Ag | Modyfikowany kwasem naturalny wypełniacz mineralny do inicjowania beta-zarodkowania polipropylenu |
| FR2953426B1 (fr) * | 2009-12-07 | 2014-10-03 | Coatex Sas | Utilisation de formulations contenant du glycerol comme agent d'aide au broyage a sec de matieres minerales. |
| FR2954715B1 (fr) | 2009-12-24 | 2014-12-26 | Coatex Sas | Utilisation de glycerol comme agent ameliorant le caractere autodispersant d'une matiere minerale destinee a une composition aqueuse |
| WO2012092986A1 (en) | 2011-01-07 | 2012-07-12 | Omya Development Ag | Process for water based mineral material slurry surface whitening |
| CN102653636A (zh) * | 2012-04-10 | 2012-09-05 | 池州版筑科技有限公司 | 一种助磨改性剂及其制备方法 |
| US20130309495A1 (en) | 2012-05-18 | 2013-11-21 | InHwan Do | Process of dry milling particulate materials |
| DE102012217305A1 (de) * | 2012-09-25 | 2014-03-27 | Upm-Kymmene Corporation | Verfahren zur Herstellung von Basisprodukten aus Asche, insbesondere Papierasche |
| FR3017872B1 (fr) | 2014-02-21 | 2016-05-20 | Coatex Sas | Utilisation de copolymeres de styrene et d'anhydride maleique pour preparer des particules de matiere minerale |
| EP2910610B1 (en) | 2014-02-21 | 2017-07-05 | Omya International AG | Process for the preparation of a calcium carbonate filler product |
| NO2910609T3 (no) * | 2014-02-21 | 2018-01-13 | ||
| CN105992788A (zh) | 2014-02-26 | 2016-10-05 | 巴斯夫欧洲公司 | 制备聚胺的方法 |
| EP2933298B1 (en) * | 2014-04-16 | 2018-07-18 | Omya International AG | Reduced moisture pickup in polyol-containing mineral filler products |
| EP2995654A1 (en) | 2014-09-15 | 2016-03-16 | Omya International AG | Dry process for preparing a surface-modified alkaline earth metal carbonate-containing material |
| WO2016064941A1 (en) * | 2014-10-22 | 2016-04-28 | Imerys Pigments, Inc. | Modified carbonates for improved powder transportation and dry-blend stability |
| CN104448938A (zh) * | 2014-11-18 | 2015-03-25 | 江苏群鑫粉体材料有限公司 | 胶粘剂用超细活性重质碳酸钙的生产方法 |
| EP3133127B1 (en) | 2015-08-21 | 2018-08-08 | Omya International AG | Process for the preparation of a mineral filler product |
| US11014858B2 (en) | 2016-03-30 | 2021-05-25 | Gcp Applied Technologies Inc. | Mineral grinding |
| MX2020004944A (es) * | 2017-11-17 | 2020-08-27 | Incoa Partners Llc | Metodos para preparar composiciones que incluyen carbonatos de metales alcalinoterreos, sin tratar y tratados en superficie. |
| CN111286603B (zh) * | 2020-03-25 | 2021-05-25 | 内蒙古金山矿业有限公司 | 一种从含锰银矿中回收银并联产硫酸锰的工艺 |
| CN116715264A (zh) * | 2023-04-27 | 2023-09-08 | 广西聚立鑫新材料科技发展有限公司 | 一种球形无机粉体及其制备方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53102883A (en) * | 1977-02-21 | 1978-09-07 | Toray Ind Inc | Chemical hammer agent and its use |
| US4253227A (en) * | 1979-11-26 | 1981-03-03 | Cyklop Strapping Corporation | Strap securing method |
| US5000871A (en) * | 1987-06-24 | 1991-03-19 | Maruo Calcium Company Limited | Gycol dispersion of calcium carbonate |
| JPS644239A (en) * | 1987-06-24 | 1989-01-09 | Maruo Calcium | Glycol dispersion of calcium carbonate |
| JPH078337B2 (ja) * | 1987-10-24 | 1995-02-01 | 川崎重工業株式会社 | 粉砕装置 |
| JPH07100141B2 (ja) * | 1987-12-10 | 1995-11-01 | 東亞合成株式会社 | 乾式粉砕助剤 |
| US5181662A (en) * | 1989-01-27 | 1993-01-26 | Coatex S.A. | Process for grinding calcium carbonate in aqueous media |
| JP2823099B2 (ja) * | 1991-09-18 | 1998-11-11 | 宇部興産株式会社 | 微粉砕設備 |
| ES2113933T3 (es) * | 1991-11-12 | 1998-05-16 | Coatex Sa | Agente de trituracion y/o dispersion a base de polimeros y/o copolimeros neutralizados parcialmente por magnesio para suspensiones acuosas de materiales minerales para la aplicacion de pigmentos. |
| JP3316872B2 (ja) * | 1992-05-29 | 2002-08-19 | 住友化学工業株式会社 | アルミナの乾式粉砕方法 |
| JP2664351B2 (ja) * | 1995-05-24 | 1997-10-15 | 鐘淵化学工業株式会社 | 硬化性組成物の製造方法 |
| CA2387565A1 (en) * | 1999-10-15 | 2001-04-26 | Huntsman Petrochemical Corporation | Reduced pour point surfactants |
| FR2802830B1 (fr) * | 1999-12-27 | 2002-06-07 | Coatex Sa | Utilisation de polymeres hydrosolubles comme agent de dispersion de suspension aqueuse de carbonate de calcium suspensions aqueuses obtenues et leurs utilisations |
| JP3752964B2 (ja) * | 2000-05-29 | 2006-03-08 | 宇部興産株式会社 | 粉砕装置 |
| US6478865B1 (en) * | 2001-04-03 | 2002-11-12 | Thiele Kaolin Company | High surface area aggregated pigments |
| US6610136B2 (en) * | 2001-04-03 | 2003-08-26 | Thiele Kaolin Company | Pigments for ink jet paper |
| JP2003186151A (ja) * | 2001-12-17 | 2003-07-03 | Fuji Photo Film Co Ltd | 写真感光材料用射出成形品の外装体及び樹脂再生方法 |
| GB0321703D0 (en) * | 2003-09-16 | 2003-10-15 | Imerys Minerals Ltd | Surface modified fillers for polymer resin compositions |
| EP1557442A1 (de) * | 2004-01-23 | 2005-07-27 | SOLVAY (Société Anonyme) | Verfahren zur Oberflächenbehandlung von gefälltem Calciumcarbonat |
| FR2901491B1 (fr) * | 2006-05-24 | 2009-03-20 | Coatex Sas | Procede de broyage a sec de materiaux contenant un minerai carbonate |
-
2006
- 2006-05-24 FR FR0604690A patent/FR2901491B1/fr active Active
-
2007
- 2007-05-21 TW TW096118036A patent/TW200803977A/zh unknown
- 2007-05-22 AU AU2007266731A patent/AU2007266731B2/en not_active Ceased
- 2007-05-22 US US12/227,536 patent/US8074909B2/en active Active
- 2007-05-22 KR KR1020087031305A patent/KR101297939B1/ko not_active Expired - Fee Related
- 2007-05-22 UA UAA200814947A patent/UA103591C2/ru unknown
- 2007-05-22 JP JP2009511599A patent/JP5355389B2/ja not_active Expired - Fee Related
- 2007-05-22 NZ NZ573795A patent/NZ573795A/en not_active IP Right Cessation
- 2007-05-22 EP EP07734631A patent/EP2029677B1/fr active Active
- 2007-05-22 MX MX2008014879A patent/MX2008014879A/es active IP Right Grant
- 2007-05-22 DE DE602007009097T patent/DE602007009097D1/de active Active
- 2007-05-22 PT PT07734631T patent/PT2029677E/pt unknown
- 2007-05-22 DK DK07734631.0T patent/DK2029677T3/da active
- 2007-05-22 EA EA200870568A patent/EA016265B1/ru not_active IP Right Cessation
- 2007-05-22 ES ES07734631T patent/ES2381943T3/es active Active
- 2007-05-22 PL PL07734631T patent/PL2029677T3/pl unknown
- 2007-05-22 CA CA2653003A patent/CA2653003C/fr active Active
- 2007-05-22 AT AT07734631T patent/ATE480598T1/de active
- 2007-05-22 ZA ZA200810316A patent/ZA200810316B/xx unknown
- 2007-05-22 BR BRPI0711910-0A patent/BRPI0711910B1/pt not_active IP Right Cessation
- 2007-05-22 WO PCT/IB2007/001323 patent/WO2007138410A1/fr not_active Ceased
- 2007-05-22 CN CN2007800273577A patent/CN101490180B/zh active Active
- 2007-05-23 SA SA07280263A patent/SA07280263B1/ar unknown
- 2007-05-24 CL CL2007001489A patent/CL2007001489A1/es unknown
- 2007-05-24 AR ARP070102257A patent/AR061129A1/es active IP Right Grant
- 2007-05-24 JO JO2007201A patent/JO2661B1/en active
-
2008
- 2008-11-20 IL IL195410A patent/IL195410A/en active IP Right Grant
- 2008-11-20 EG EG2008111893A patent/EG26296A/en active
- 2008-12-08 NO NO20085113A patent/NO340275B1/no not_active IP Right Cessation
- 2008-12-15 CO CO08132698A patent/CO6141472A2/es unknown
-
2011
- 2011-08-18 US US13/212,246 patent/US8440298B2/en active Active
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