TR200100367T2 - Elastik poliüretan köpük hazırlama yöntemi. - Google Patents
Elastik poliüretan köpük hazırlama yöntemi.Info
- Publication number
- TR200100367T2 TR200100367T2 TR2001/00367T TR200100367T TR200100367T2 TR 200100367 T2 TR200100367 T2 TR 200100367T2 TR 2001/00367 T TR2001/00367 T TR 2001/00367T TR 200100367 T TR200100367 T TR 200100367T TR 200100367 T2 TR200100367 T2 TR 200100367T2
- Authority
- TR
- Turkey
- Prior art keywords
- elastic polyurethane
- polyurethane foam
- foam preparation
- mdi
- foams
- Prior art date
Links
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
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
-
- 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
- C08G18/409—Dispersions of polymers of C08G in organic compounds having active hydrogen
-
- 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
- C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
- C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
- C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
- C08G18/0871—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being organic
- C08G18/0876—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being organic the dispersing or dispersed phase being a polyol
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
-
- 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
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/904—Polyurethane cellular product having high resiliency or cold cure property
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
MDI ve bir poliol bilesimi kullanarak, yüksek esneklige sahip kaliplanmis elastik poliüretan köpükler, MDI temelli köpükler, MDI temelli köpükler yapmaya mahsus bir yöntemdir.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98202675 | 1998-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
TR200100367T2 true TR200100367T2 (tr) | 2001-07-23 |
Family
ID=8234022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TR2001/00367T TR200100367T2 (tr) | 1998-08-07 | 1999-07-15 | Elastik poliüretan köpük hazırlama yöntemi. |
Country Status (20)
Country | Link |
---|---|
US (1) | US6417241B1 (tr) |
EP (1) | EP1117719B1 (tr) |
JP (1) | JP4486255B2 (tr) |
KR (1) | KR100563173B1 (tr) |
CN (1) | CN1130410C (tr) |
AR (1) | AR025129A1 (tr) |
AT (1) | ATE295384T1 (tr) |
AU (1) | AU755101B2 (tr) |
BR (1) | BR9912772B1 (tr) |
CA (1) | CA2337913C (tr) |
CZ (1) | CZ299813B6 (tr) |
DE (1) | DE69925294T2 (tr) |
ES (1) | ES2238842T3 (tr) |
MX (1) | MXPA01001039A (tr) |
PL (1) | PL197318B1 (tr) |
RU (1) | RU2220156C2 (tr) |
TR (1) | TR200100367T2 (tr) |
TW (1) | TW568921B (tr) |
WO (1) | WO2000008083A1 (tr) |
ZA (1) | ZA200100613B (tr) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6756414B2 (en) * | 1999-07-30 | 2004-06-29 | Sanyo Chemical Industries, Ltd. | Polymer polyol composition, process for producing the same, and process for producing polyurethane resin |
US6624209B2 (en) | 1999-07-30 | 2003-09-23 | Sanyo Chemical Industries, Ltd. | Polymer polyol composition, process for producing the same, and process for producing polyurethane resin |
WO2001038413A2 (en) * | 1999-11-22 | 2001-05-31 | Shell Internationale Research Maatschappij B.V. | Polyol combination |
CN1175018C (zh) * | 2000-01-17 | 2004-11-10 | 亨茨曼国际有限公司 | 制备自由起发或块状挠性聚氨酯泡沫塑料的方法 |
EP1178061A1 (en) | 2000-08-01 | 2002-02-06 | Huntsman International Llc | Process for preparing a polyurethane material |
AU2005220170B2 (en) * | 2000-08-01 | 2007-05-31 | Huntsman International Llc | Flexible polyurethane foam |
WO2002028898A2 (en) * | 2000-10-06 | 2002-04-11 | Bayer Aktiengesellschaft | Regulation of human secretin receptor-like gpcr |
EP1358240A1 (en) * | 2000-12-27 | 2003-11-05 | World Properties, Inc. | Polyurethane foams and method of manafacture thereof |
DE10105558A1 (de) * | 2001-02-06 | 2005-04-07 | Basf Ag | Verfahren zur Herstellung von in-situ retikulierten Polyurethanweichschaumstoffen |
DE10105560A1 (de) * | 2001-02-06 | 2002-08-08 | Basf Ag | Verfahren zur Herstellung von Polyurethanweichschäumen |
DE10105559A1 (de) * | 2001-02-06 | 2002-08-08 | Basf Ag | Verfahren zur Herstellung von niedrigdichten hydrophilen Polyurethanweichschaumstoffen |
US7078475B2 (en) * | 2001-06-15 | 2006-07-18 | Huntsman Petrochemical Corporation | Synergistic amine chain-extenders in polyurea spray elastomers |
KR20040029881A (ko) * | 2002-10-02 | 2004-04-08 | 주식회사 화인텍 | 초저온 파이프 보냉용 폴리우레탄 폼 및 그것을 이용한단열재 |
EP1631605A1 (en) * | 2003-05-12 | 2006-03-08 | Huntsman International Llc | Processes for making a pipa-polyol and a flexible polyurethane foam |
US20060235100A1 (en) * | 2005-04-13 | 2006-10-19 | Kaushiva Bryan D | Polyurethane foams made with vegetable oil hydroxylate, polymer polyol and aliphatic polyhydroxy alcohol |
US9315612B2 (en) | 2005-07-27 | 2016-04-19 | Certainteed Corporation | Composite material including rigid foam with inorganic fillers |
US8658709B2 (en) | 2006-03-24 | 2014-02-25 | Huntsman International Llc | Process for making a polyurethane foam |
MX2008012988A (es) * | 2006-04-12 | 2008-10-17 | Basf Se | Proceso para preparar poliuretanos. |
BRPI0718113A2 (pt) * | 2006-10-30 | 2014-10-14 | Johnson Controls Tech Co | Produtos de espuma de poliuretano cuja base não é petróleo com especificações de desempenho e método de produção melhorados |
US20090012195A1 (en) | 2007-07-05 | 2009-01-08 | Neff Raymond A | Resin composition for use in forming a polyurethane article with increased comfort |
WO2009114329A2 (en) * | 2008-03-07 | 2009-09-17 | Dow Global Technologies Inc. | Polyurethanes having low levels of aldehyde emissions |
US8901187B1 (en) | 2008-12-19 | 2014-12-02 | Hickory Springs Manufacturing Company | High resilience flexible polyurethane foam using MDI |
US8604094B2 (en) | 2008-12-23 | 2013-12-10 | Basf Se | Flexible polyurethane foam and method of producing same |
US8906975B1 (en) | 2009-02-09 | 2014-12-09 | Hickory Springs Manufacturing Company | Conventional flexible polyurethane foam using MDI |
JP4920051B2 (ja) * | 2009-02-25 | 2012-04-18 | 株式会社日立製作所 | 酸素燃焼ボイラプラント及び酸素燃焼ボイラプラントの運転方法 |
US20120108690A1 (en) * | 2009-07-09 | 2012-05-03 | Bayer Materialscience Ag | Method for producing flame-retardant polyurethane foam materials having good long-term use properties |
CN101993520B (zh) | 2009-08-24 | 2014-02-19 | 拜耳材料科技(中国)有限公司 | 异氰酸酯封端预聚物、及其制备方法和用途 |
CN102695737B (zh) * | 2009-10-07 | 2014-10-01 | 亨茨曼国际有限公司 | 制备柔性聚氨酯泡沫的方法 |
DE102009053218A1 (de) * | 2009-11-06 | 2011-07-14 | Bayer MaterialScience AG, 51373 | Verfahren zur Herstellung eines Polyurethanschaums mittels über- oder nahekritischen Treibmittels |
DE102009053224A1 (de) * | 2009-11-06 | 2011-07-14 | Bayer MaterialScience AG, 51373 | Verfahren zur Herstellung eines Polyurethanschaums und hieraus erhältlicher Polyurethanschaum |
JP5571414B2 (ja) * | 2010-03-04 | 2014-08-13 | 株式会社イノアックコーポレーション | マットレス用ポリウレタンフォーム |
US9018271B2 (en) | 2010-11-03 | 2015-04-28 | Dow Global Technologies Llc | Self-crushing polyurethane systems |
CN102250311B (zh) * | 2011-02-11 | 2012-12-26 | 江苏恒康家居科技有限公司 | 一种适用于平泡发泡工艺的mdi体系的非温感记忆海绵 |
US9228047B2 (en) | 2011-02-14 | 2016-01-05 | Dow Global Technologies Llc | Low density polyurethane foams |
CN107158445B (zh) | 2012-05-29 | 2021-01-15 | 3M创新有限公司 | 包括聚合物泡沫和中间体的吸收制品 |
KR101412506B1 (ko) * | 2012-11-13 | 2014-07-02 | (주)쿠도스 | 폴리우레탄 발포체 조성물 및 이에 의한 폴리우레탄 발포체 |
CN103254389B (zh) * | 2013-05-24 | 2015-01-07 | 淄博德信联邦化学工业有限公司 | 高回弹模塑及其制备方法 |
KR101526479B1 (ko) * | 2013-11-12 | 2015-06-05 | 롯데케미칼 주식회사 | 중공사막 포팅제용 폴리우레탄 수지 조성물 및 중공사막 모듈 |
US20170121448A1 (en) * | 2014-06-12 | 2017-05-04 | Bridgestone Corporation | Soft polyurethane foam and sheet pad |
CN104194030B (zh) * | 2014-08-08 | 2015-05-27 | 汕头市新力新材料科技有限公司 | 一种热塑性聚氨酯弹性体发泡珠粒及其制备方法 |
JP6464632B2 (ja) * | 2014-09-22 | 2019-02-06 | 東ソー株式会社 | ポリウレア樹脂製造用硬化剤、及びそれを用いたポリウレア樹脂の製造方法 |
EP3359207A4 (en) | 2015-10-05 | 2019-05-08 | 3M Innovative Properties Company | ABSORBENT ARTICLE WITH A FLEXIBLE POLYMER FOAM AND INTERMEDIATE PRODUCTS |
WO2018235515A1 (ja) * | 2017-06-20 | 2018-12-27 | 株式会社ブリヂストン | 軟質ポリウレタンフォーム用組成物、軟質ポリウレタンフォーム並びに車両用シートパッド |
CA3198644A1 (en) | 2020-11-05 | 2022-05-12 | Huntsman International Llc | Elastomeric polyurethane-polyurea comprising water blown foam having improved mechanical properties |
MX2023004798A (es) | 2020-11-05 | 2023-05-10 | Huntsman Int Llc | Formulaciones reactivas para formar una espuma fuerte soplada con agua que comprende poliuretano-poliurea. |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1422056A (en) | 1973-05-29 | 1976-01-21 | Ici Ltd | Polyurethane foams |
GB1479658A (en) * | 1975-04-02 | 1977-07-13 | Ici Ltd | Polyurethane foams |
US4256849A (en) | 1976-10-21 | 1981-03-17 | Bayer Aktiengesellschaft | Process for the production of cold setting foams which contain urethane groups prepared from a mixture of 4,4-diphenyl methane diisocyanate and 2,4-diphenyl methane diisocyanate |
DE3721058A1 (de) | 1987-06-26 | 1989-01-05 | Bayer Ag | Verfahren zur herstellung von kalthaertenden polyurethan-weichformschaumstoffen |
DE3934098C1 (tr) | 1989-10-12 | 1991-05-23 | Bayer Ag, 5090 Leverkusen, De | |
GB9126740D0 (en) * | 1991-12-17 | 1992-02-12 | Ici Plc | Polyol compositions |
DE4204395A1 (de) | 1992-02-14 | 1993-08-19 | Bayer Ag | Verfahren zur herstellung von kalthaertenden polyurethan-weichformschaumstoffen |
DE69307943T3 (de) * | 1992-04-16 | 2003-01-30 | Huntsman Ici Chemicals Llc, Salt Lake City | Polyisocyanatzusammensetzung |
US5292778A (en) * | 1992-11-20 | 1994-03-08 | Woodbridge Foam Corporation | Polymer-modified polyol dispersions and processes for production and use thereof |
US5258417A (en) | 1992-12-28 | 1993-11-02 | Basf Corporation | Low viscosity polymeric MDI |
US5530085A (en) | 1993-08-12 | 1996-06-25 | H. B. Fuller Licensing & Financing, Inc. | Isocyanate functional phase-stable MDI/polydiene urethane prepolymer prepared by low temperature reaction |
US6521674B1 (en) * | 1993-10-01 | 2003-02-18 | Carpenter Co. | Latex-like flexible polyurethane foam and process for making same |
US5726240A (en) | 1996-11-25 | 1998-03-10 | Bayer Corporation | Reactivity stabilization of polymethylene poly(phenylisocyanates) |
-
1999
- 1999-07-14 TW TW088111944A patent/TW568921B/zh not_active IP Right Cessation
- 1999-07-15 CN CN99809458A patent/CN1130410C/zh not_active Expired - Lifetime
- 1999-07-15 TR TR2001/00367T patent/TR200100367T2/tr unknown
- 1999-07-15 DE DE69925294T patent/DE69925294T2/de not_active Expired - Lifetime
- 1999-07-15 CZ CZ20010453A patent/CZ299813B6/cs not_active IP Right Cessation
- 1999-07-15 BR BRPI9912772-5A patent/BR9912772B1/pt not_active IP Right Cessation
- 1999-07-15 WO PCT/EP1999/005001 patent/WO2000008083A1/en active IP Right Grant
- 1999-07-15 PL PL345859A patent/PL197318B1/pl unknown
- 1999-07-15 KR KR1020017001562A patent/KR100563173B1/ko not_active IP Right Cessation
- 1999-07-15 EP EP99934700A patent/EP1117719B1/en not_active Expired - Lifetime
- 1999-07-15 CA CA002337913A patent/CA2337913C/en not_active Expired - Lifetime
- 1999-07-15 AU AU50380/99A patent/AU755101B2/en not_active Ceased
- 1999-07-15 JP JP2000563714A patent/JP4486255B2/ja not_active Expired - Fee Related
- 1999-07-15 MX MXPA01001039A patent/MXPA01001039A/es unknown
- 1999-07-15 ES ES99934700T patent/ES2238842T3/es not_active Expired - Lifetime
- 1999-07-15 AT AT99934700T patent/ATE295384T1/de not_active IP Right Cessation
- 1999-07-15 RU RU2001106601/04A patent/RU2220156C2/ru active
- 1999-08-05 AR ARP990103902A patent/AR025129A1/es active IP Right Grant
- 1999-08-06 US US09/369,301 patent/US6417241B1/en not_active Expired - Lifetime
-
2001
- 2001-01-22 ZA ZA200100613A patent/ZA200100613B/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP2002522581A (ja) | 2002-07-23 |
MXPA01001039A (es) | 2002-06-04 |
CA2337913A1 (en) | 2000-02-17 |
EP1117719B1 (en) | 2005-05-11 |
DE69925294T2 (de) | 2006-03-09 |
ATE295384T1 (de) | 2005-05-15 |
TW568921B (en) | 2004-01-01 |
RU2220156C2 (ru) | 2003-12-27 |
PL345859A1 (en) | 2002-01-14 |
JP4486255B2 (ja) | 2010-06-23 |
AU5038099A (en) | 2000-02-28 |
CN1312831A (zh) | 2001-09-12 |
DE69925294D1 (de) | 2005-06-16 |
BR9912772A (pt) | 2001-05-08 |
AR025129A1 (es) | 2002-11-13 |
US6417241B1 (en) | 2002-07-09 |
WO2000008083A1 (en) | 2000-02-17 |
ZA200100613B (en) | 2002-01-22 |
ES2238842T3 (es) | 2005-09-01 |
PL197318B1 (pl) | 2008-03-31 |
EP1117719A1 (en) | 2001-07-25 |
CZ299813B6 (cs) | 2008-12-03 |
KR100563173B1 (ko) | 2006-03-27 |
CZ2001453A3 (en) | 2001-06-13 |
AU755101B2 (en) | 2002-12-05 |
CN1130410C (zh) | 2003-12-10 |
BR9912772B1 (pt) | 2010-09-08 |
KR20010072282A (ko) | 2001-07-31 |
CA2337913C (en) | 2009-09-01 |
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