KR101012297B1 - Nbr 조성물 - Google Patents
Nbr 조성물 Download PDFInfo
- Publication number
- KR101012297B1 KR101012297B1 KR1020087018559A KR20087018559A KR101012297B1 KR 101012297 B1 KR101012297 B1 KR 101012297B1 KR 1020087018559 A KR1020087018559 A KR 1020087018559A KR 20087018559 A KR20087018559 A KR 20087018559A KR 101012297 B1 KR101012297 B1 KR 101012297B1
- Authority
- KR
- South Korea
- Prior art keywords
- nbr
- weight
- parts
- vulcanized
- sulfur
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004073 vulcanization Methods 0.000 claims abstract description 17
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 14
- 239000011593 sulfur Substances 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 150000001451 organic peroxides Chemical class 0.000 claims abstract description 8
- 238000004438 BET method Methods 0.000 claims abstract description 7
- 239000012778 molding material Substances 0.000 claims abstract description 4
- 239000003566 sealing material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 9
- 238000012856 packing Methods 0.000 abstract description 2
- 239000000565 sealant Substances 0.000 abstract description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 27
- 239000000377 silicon dioxide Substances 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 7
- 239000005060 rubber Substances 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- -1 acetylene alcohol Chemical compound 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 description 1
- KDGNCLDCOVTOCS-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OOC(C)(C)C KDGNCLDCOVTOCS-UHFFFAOYSA-N 0.000 description 1
- RIPYNJLMMFGZSX-UHFFFAOYSA-N (5-benzoylperoxy-2,5-dimethylhexan-2-yl) benzenecarboperoxoate Chemical compound C=1C=CC=CC=1C(=O)OOC(C)(C)CCC(C)(C)OOC(=O)C1=CC=CC=C1 RIPYNJLMMFGZSX-UHFFFAOYSA-N 0.000 description 1
- NALFRYPTRXKZPN-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane Chemical compound CC1CC(C)(C)CC(OOC(C)(C)C)(OOC(C)(C)C)C1 NALFRYPTRXKZPN-UHFFFAOYSA-N 0.000 description 1
- WZRRRFSJFQTGGB-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione Chemical compound S=C1NC(=S)NC(=S)N1 WZRRRFSJFQTGGB-UHFFFAOYSA-N 0.000 description 1
- UBRWPVTUQDJKCC-UHFFFAOYSA-N 1,3-bis(2-tert-butylperoxypropan-2-yl)benzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC(C(C)(C)OOC(C)(C)C)=C1 UBRWPVTUQDJKCC-UHFFFAOYSA-N 0.000 description 1
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 1
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 1
- HLBZWYXLQJQBKU-UHFFFAOYSA-N 4-(morpholin-4-yldisulfanyl)morpholine Chemical compound C1COCCN1SSN1CCOCC1 HLBZWYXLQJQBKU-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 229920013648 Perbunan Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- BXIQXYOPGBXIEM-UHFFFAOYSA-N butyl 4,4-bis(tert-butylperoxy)pentanoate Chemical compound CCCCOC(=O)CCC(C)(OOC(C)(C)C)OOC(C)(C)C BXIQXYOPGBXIEM-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- PGAXJQVAHDTGBB-UHFFFAOYSA-N dibutylcarbamothioylsulfanyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SSC(=S)N(CCCC)CCCC PGAXJQVAHDTGBB-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000005624 silicic acid group Chemical group 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- GRPURDFRFHUDSP-UHFFFAOYSA-N tris(prop-2-enyl) benzene-1,2,4-tricarboxylate Chemical compound C=CCOC(=O)C1=CC=C(C(=O)OCC=C)C(C(=O)OCC=C)=C1 GRPURDFRFHUDSP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- 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
- 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
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0204—Elements
- C09K2200/0208—Carbon
-
- 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
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0607—Rubber or rubber derivatives
- C09K2200/0612—Butadiene-acrylonitrile rubber
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims (8)
- NBR 100중량부 당 비표면적(BET법)이 30∼110m2/g인 화이트 카본 20∼80중량부, 유기 과산화물 1∼10중량부 및 황 또는 황 공여성 화합물 0.1∼2중량부를 함유하여 이루어지며, 가황계가 유기 과산화물 50∼99중량%에 대하여 황 또는 황 공여성 화합물이 50∼1중량%의 비율로 사용된 것을 특징으로 하는 NBR 조성물.
- 제 1 항에 있어서, 비표면적(BET법)이 30∼60m2/g인 화이트 카본이 사용된 것을 특징으로 하는 NBR 조성물.
- 제 1 항에 있어서, 밀봉재의 가황 성형 재료로 사용되는 것을 특징으로 하는 NBR 조성물.
- 제 3 항에 기재된 NBR 조성물로 가황 성형된 것을 특징으로 하는 밀봉재.
- 삭제
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-00051785 | 2006-02-28 | ||
JP2006051785A JP2007231061A (ja) | 2006-02-28 | 2006-02-28 | Nbr組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080101882A KR20080101882A (ko) | 2008-11-21 |
KR101012297B1 true KR101012297B1 (ko) | 2011-02-08 |
Family
ID=38458844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087018559A KR101012297B1 (ko) | 2006-02-28 | 2007-01-26 | Nbr 조성물 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7989539B2 (ko) |
EP (1) | EP1990360A4 (ko) |
JP (1) | JP2007231061A (ko) |
KR (1) | KR101012297B1 (ko) |
CN (1) | CN101389699B (ko) |
WO (1) | WO2007099724A1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104245816A (zh) * | 2012-08-09 | 2014-12-24 | Nok株式会社 | Nbr组合物 |
EP3006498A4 (en) * | 2013-05-30 | 2017-01-18 | Zeon Corporation | Nitrile copolymer rubber composition, crosslinkable rubber composition, and crosslinked rubber |
WO2015045513A1 (ja) * | 2013-09-24 | 2015-04-02 | Nok株式会社 | ニトリルゴム-金属積層ガスケット素材 |
JP5946143B2 (ja) * | 2014-02-26 | 2016-07-05 | センクシア株式会社 | 油圧式ダンパ |
CN108690230A (zh) * | 2017-04-10 | 2018-10-23 | 浙江久运车辆部件有限公司 | 一种多路阀门回油管丁腈胶料的制备方法 |
EP3683261A4 (en) | 2017-09-15 | 2021-07-21 | Nok Corporation | HYDRATED NITRILE RUBBER COMPOSITION |
CN111386307B (zh) * | 2017-11-24 | 2021-03-16 | Nok株式会社 | 橡胶层叠金属用nbr组合物 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000281839A (ja) * | 1999-04-01 | 2000-10-10 | Yokohama Rubber Co Ltd:The | ゴム組成物 |
JP2004217849A (ja) * | 2003-01-17 | 2004-08-05 | Tokai Rubber Ind Ltd | 低動倍率ゴム組成物 |
JP2006037044A (ja) * | 2004-07-30 | 2006-02-09 | Nok Corp | Nbr組成物 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61225243A (ja) | 1985-03-29 | 1986-10-07 | Japan Synthetic Rubber Co Ltd | アクリルゴム組成物 |
JP2674630B2 (ja) | 1989-09-26 | 1997-11-12 | 信越化学工業株式会社 | ゴム組成物 |
JPH093246A (ja) * | 1995-06-16 | 1997-01-07 | Nok Corp | 水素化nbr組成物 |
JP3704986B2 (ja) * | 1999-01-20 | 2005-10-12 | Nok株式会社 | 水素化nbr組成物 |
JP4415459B2 (ja) * | 2000-07-11 | 2010-02-17 | Jsr株式会社 | ゴム組成物 |
US6943220B2 (en) * | 2001-03-26 | 2005-09-13 | Mitsui Chemicals, Inc. | Rubber compositions and their uses |
JP4003060B2 (ja) | 2002-08-16 | 2007-11-07 | 日本ゼオン株式会社 | 架橋性ゴム組成物及び架橋物 |
JP2005272580A (ja) | 2004-03-24 | 2005-10-06 | Yokohama Rubber Co Ltd:The | ゴム組成物及びそれを用いた空気入りタイヤ |
-
2006
- 2006-02-28 JP JP2006051785A patent/JP2007231061A/ja active Pending
-
2007
- 2007-01-26 KR KR1020087018559A patent/KR101012297B1/ko not_active IP Right Cessation
- 2007-01-26 CN CN2007800069950A patent/CN101389699B/zh not_active Expired - Fee Related
- 2007-01-26 WO PCT/JP2007/051235 patent/WO2007099724A1/ja active Application Filing
- 2007-01-26 US US12/224,461 patent/US7989539B2/en not_active Expired - Fee Related
- 2007-01-26 EP EP07707467A patent/EP1990360A4/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000281839A (ja) * | 1999-04-01 | 2000-10-10 | Yokohama Rubber Co Ltd:The | ゴム組成物 |
JP2004217849A (ja) * | 2003-01-17 | 2004-08-05 | Tokai Rubber Ind Ltd | 低動倍率ゴム組成物 |
JP2006037044A (ja) * | 2004-07-30 | 2006-02-09 | Nok Corp | Nbr組成物 |
Also Published As
Publication number | Publication date |
---|---|
WO2007099724A1 (ja) | 2007-09-07 |
JP2007231061A (ja) | 2007-09-13 |
US20090030133A1 (en) | 2009-01-29 |
EP1990360A4 (en) | 2011-04-06 |
KR20080101882A (ko) | 2008-11-21 |
CN101389699B (zh) | 2011-12-07 |
CN101389699A (zh) | 2009-03-18 |
EP1990360A1 (en) | 2008-11-12 |
US7989539B2 (en) | 2011-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 20080728 Patent event code: PA01051R01D Comment text: International Patent Application |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20080916 Comment text: Request for Examination of Application |
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