CA2819340C - Chromium-free conversion coating - Google Patents
Chromium-free conversion coating Download PDFInfo
- Publication number
- CA2819340C CA2819340C CA2819340A CA2819340A CA2819340C CA 2819340 C CA2819340 C CA 2819340C CA 2819340 A CA2819340 A CA 2819340A CA 2819340 A CA2819340 A CA 2819340A CA 2819340 C CA2819340 C CA 2819340C
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- CA
- Canada
- Prior art keywords
- salt
- ppy
- coating
- silanes
- bis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007739 conversion coating Methods 0.000 title claims abstract description 28
- 229920000128 polypyrrole Polymers 0.000 claims abstract description 97
- 238000000576 coating method Methods 0.000 claims abstract description 85
- 150000003839 salts Chemical class 0.000 claims abstract description 73
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 61
- 239000011248 coating agent Substances 0.000 claims abstract description 59
- 230000008569 process Effects 0.000 claims abstract description 45
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 37
- 239000006185 dispersion Substances 0.000 claims abstract description 29
- 239000002322 conducting polymer Substances 0.000 claims abstract description 28
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 27
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000011282 treatment Methods 0.000 claims abstract description 26
- 229920000767 polyaniline Polymers 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 14
- 150000004756 silanes Chemical class 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 229910052782 aluminium Inorganic materials 0.000 claims description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 239000000956 alloy Substances 0.000 claims description 29
- 229910045601 alloy Inorganic materials 0.000 claims description 29
- NOZAQBYNLKNDRT-UHFFFAOYSA-N [diacetyloxy(ethenyl)silyl] acetate Chemical compound CC(=O)O[Si](OC(C)=O)(OC(C)=O)C=C NOZAQBYNLKNDRT-UHFFFAOYSA-N 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 229910020148 K2ZrF6 Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 11
- 229910052725 zinc Inorganic materials 0.000 claims description 11
- 239000011701 zinc Substances 0.000 claims description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 10
- 229910052684 Cerium Inorganic materials 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 229910017052 cobalt Inorganic materials 0.000 claims description 10
- 239000010941 cobalt Substances 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- 229910052735 hafnium Inorganic materials 0.000 claims description 10
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 239000011777 magnesium Substances 0.000 claims description 10
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 229910003899 H2ZrF6 Inorganic materials 0.000 claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- JCGDCINCKDQXDX-UHFFFAOYSA-N trimethoxy(2-trimethoxysilylethyl)silane Chemical compound CO[Si](OC)(OC)CC[Si](OC)(OC)OC JCGDCINCKDQXDX-UHFFFAOYSA-N 0.000 claims description 7
- TZZGHGKTHXIOMN-UHFFFAOYSA-N 3-trimethoxysilyl-n-(3-trimethoxysilylpropyl)propan-1-amine Chemical compound CO[Si](OC)(OC)CCCNCCC[Si](OC)(OC)OC TZZGHGKTHXIOMN-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000004815 dispersion polymer Substances 0.000 claims description 4
- IZRJPHXTEXTLHY-UHFFFAOYSA-N triethoxy(2-triethoxysilylethyl)silane Chemical compound CCO[Si](OCC)(OCC)CC[Si](OCC)(OCC)OCC IZRJPHXTEXTLHY-UHFFFAOYSA-N 0.000 claims description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 2
- 238000005260 corrosion Methods 0.000 description 78
- 230000007797 corrosion Effects 0.000 description 78
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 53
- 229910000077 silane Inorganic materials 0.000 description 53
- 238000012360 testing method Methods 0.000 description 20
- 239000000758 substrate Substances 0.000 description 18
- 239000010408 film Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- 239000007921 spray Substances 0.000 description 15
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 14
- 229910000838 Al alloy Inorganic materials 0.000 description 13
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 13
- -1 Cr03 Chemical compound 0.000 description 12
- 239000003973 paint Substances 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 9
- 229910052804 chromium Inorganic materials 0.000 description 9
- 239000011651 chromium Substances 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 238000007654 immersion Methods 0.000 description 9
- 150000002739 metals Chemical class 0.000 description 9
- 125000000524 functional group Chemical group 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 4
- 229910017053 inorganic salt Inorganic materials 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229910020175 SiOH Inorganic materials 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229960002050 hydrofluoric acid Drugs 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
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- 238000003756 stirring Methods 0.000 description 3
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 3
- 229910000547 2024-T3 aluminium alloy Inorganic materials 0.000 description 2
- VVXLFFIFNVKFBD-UHFFFAOYSA-N 4,4,4-trifluoro-1-phenylbutane-1,3-dione Chemical compound FC(F)(F)C(=O)CC(=O)C1=CC=CC=C1 VVXLFFIFNVKFBD-UHFFFAOYSA-N 0.000 description 2
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 2
- 229910000853 7075 T6 aluminium alloy Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
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- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
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- 150000001768 cations Chemical class 0.000 description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 2
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- 239000011253 protective coating Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 231100000202 sensitizing Toxicity 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000015393 sodium molybdate Nutrition 0.000 description 1
- 239000011684 sodium molybdate Substances 0.000 description 1
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 125000002348 vinylic group Chemical group 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
Landscapes
- Chemical Treatment Of Metals (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12382337.9 | 2012-08-31 | ||
| EP12382337.9A EP2703522B1 (en) | 2012-08-31 | 2012-08-31 | Chromium-free conversion coating |
| US13/662,412 US9476125B2 (en) | 2006-08-08 | 2012-10-26 | Chromium-free conversion coating |
| US13/662,412 | 2012-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2819340A1 CA2819340A1 (en) | 2014-02-28 |
| CA2819340C true CA2819340C (en) | 2019-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2819340A Active CA2819340C (en) | 2012-08-31 | 2013-06-17 | Chromium-free conversion coating |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6275975B2 (enExample) |
| CA (1) | CA2819340C (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2703522B1 (en) * | 2012-08-31 | 2015-10-07 | The Boeing Company | Chromium-free conversion coating |
| EP2915903B1 (en) * | 2014-03-05 | 2018-02-21 | The Boeing Company | Chromium-free conversion coating |
| US12084546B2 (en) | 2018-11-29 | 2024-09-10 | Teijin Limited | Thermosetting resin composition, film adhesive, prepreg, and production method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| ATE181350T1 (de) * | 1992-01-21 | 1999-07-15 | Zipperling Kessler & Co | Konjugierte polymeranstrichformulierungen, die korrosionsbestaendigkeit auf metallischen oberflaechen geben |
| JPH1161429A (ja) * | 1997-08-28 | 1999-03-05 | Nippon Steel Corp | 表面処理金属材料 |
| US6736908B2 (en) * | 1999-12-27 | 2004-05-18 | Henkel Kommanditgesellschaft Auf Aktien | Composition and process for treating metal surfaces and resulting article |
| JP4220111B2 (ja) * | 2000-07-24 | 2009-02-04 | 大日本塗料株式会社 | 耐候性鋼の防食方法 |
| US20040009300A1 (en) * | 2000-10-11 | 2004-01-15 | Toshiaki Shimakura | Method for pretreating and subsequently coating metallic surfaces with paint-type coating prior to forming and use og sybstrates coated in this way |
| JP2002348488A (ja) * | 2001-05-28 | 2002-12-04 | Mitsubishi Rayon Co Ltd | 導電性着色組成物、導電体及びその形成方法 |
| AU2002340053A1 (en) * | 2001-09-27 | 2003-04-07 | The Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations | Conducting polymer for pretreatment of metallic and non-metallic surfaces |
| US20060134339A1 (en) * | 2004-12-21 | 2006-06-22 | Shengxian Wang | Coating compositions and methods of making and using them |
| JP4603435B2 (ja) * | 2005-07-12 | 2010-12-22 | 日新製鋼株式会社 | 有機樹脂被覆鋼板 |
| EP1887105B1 (en) * | 2006-08-08 | 2014-04-30 | The Boeing Company | Chromium-free conversion coating |
| WO2009019855A1 (ja) * | 2007-08-06 | 2009-02-12 | Nisshin Steel Co., Ltd. | 水性エマルション塗料およびそれを用いた塗装鋼板 |
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2013
- 2013-06-17 CA CA2819340A patent/CA2819340C/en active Active
- 2013-08-29 JP JP2013178052A patent/JP6275975B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014047353A (ja) | 2014-03-17 |
| CA2819340A1 (en) | 2014-02-28 |
| JP6275975B2 (ja) | 2018-02-07 |
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