NO303788B1 - FremgangsmÕte og produkt for beising av stÕlmaterialer - Google Patents
FremgangsmÕte og produkt for beising av stÕlmaterialer Download PDFInfo
- Publication number
- NO303788B1 NO303788B1 NO910448A NO910448A NO303788B1 NO 303788 B1 NO303788 B1 NO 303788B1 NO 910448 A NO910448 A NO 910448A NO 910448 A NO910448 A NO 910448A NO 303788 B1 NO303788 B1 NO 303788B1
- Authority
- NO
- Norway
- Prior art keywords
- acid
- solution
- stated
- peracid
- pickling
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 title abstract description 5
- 239000010959 steel Substances 0.000 title abstract description 5
- 238000010186 staining Methods 0.000 title 1
- 238000005554 pickling Methods 0.000 claims abstract description 30
- 239000000243 solution Substances 0.000 claims abstract description 26
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 22
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 13
- 229910001447 ferric ion Inorganic materials 0.000 claims abstract description 12
- 150000007524 organic acids Chemical class 0.000 claims abstract description 11
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001448 ferrous ion Inorganic materials 0.000 claims abstract description 8
- 150000002500 ions Chemical class 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 10
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 10
- 150000004965 peroxy acids Chemical class 0.000 claims description 9
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 8
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 8
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 8
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 239000005711 Benzoic acid Substances 0.000 claims description 5
- 235000011054 acetic acid Nutrition 0.000 claims description 5
- 235000010233 benzoic acid Nutrition 0.000 claims description 5
- 150000001451 organic peroxides Chemical class 0.000 claims description 5
- -1 peracid salt Chemical class 0.000 claims description 5
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 claims description 4
- GLVYLTSKTCWWJR-UHFFFAOYSA-N 2-carbonoperoxoylbenzoic acid Chemical compound OOC(=O)C1=CC=CC=C1C(O)=O GLVYLTSKTCWWJR-UHFFFAOYSA-N 0.000 claims description 4
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- 239000004310 lactic acid Substances 0.000 claims description 4
- 235000014655 lactic acid Nutrition 0.000 claims description 4
- 235000019260 propionic acid Nutrition 0.000 claims description 4
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 4
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical group OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 claims description 4
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical group [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 3
- PEYVWSJAZONVQK-UHFFFAOYSA-N hydroperoxy(oxo)borane Chemical compound OOB=O PEYVWSJAZONVQK-UHFFFAOYSA-N 0.000 claims description 3
- DSJNICGAALCLRF-UHFFFAOYSA-L magnesium;oxidooxy(oxo)borane Chemical compound [Mg+2].[O-]OB=O.[O-]OB=O DSJNICGAALCLRF-UHFFFAOYSA-L 0.000 claims description 3
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 claims description 3
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 claims description 3
- 229940045872 sodium percarbonate Drugs 0.000 claims description 3
- MMCOUVMKNAHQOY-UHFFFAOYSA-N carbonoperoxoic acid Chemical compound OOC(O)=O MMCOUVMKNAHQOY-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 23
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000033116 oxidation-reduction process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002826 nitrites Chemical class 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 1
- SCKXCAADGDQQCS-UHFFFAOYSA-N Performic acid Chemical compound OOC=O SCKXCAADGDQQCS-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- CUPFNGOKRMWUOO-UHFFFAOYSA-N hydron;difluoride Chemical compound F.F CUPFNGOKRMWUOO-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 150000004005 nitrosamines Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- ing And Chemical Polishing (AREA)
- Detergent Compositions (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9001481A FR2657888B1 (fr) | 1990-02-08 | 1990-02-08 | Procedes de decapage de materiaux en acier inoxydable. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO910448D0 NO910448D0 (no) | 1991-02-06 |
| NO910448L NO910448L (no) | 1991-08-09 |
| NO303788B1 true NO303788B1 (no) | 1998-08-31 |
Family
ID=9393510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO910448A NO303788B1 (no) | 1990-02-08 | 1991-02-06 | FremgangsmÕte og produkt for beising av stÕlmaterialer |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5164016A (ja) |
| EP (1) | EP0442775B1 (ja) |
| JP (1) | JPH04218685A (ja) |
| KR (1) | KR100189579B1 (ja) |
| AT (1) | ATE121805T1 (ja) |
| CA (1) | CA2035847A1 (ja) |
| CZ (1) | CZ281613B6 (ja) |
| DE (1) | DE69109147T2 (ja) |
| ES (1) | ES2072560T3 (ja) |
| FI (1) | FI96519C (ja) |
| FR (1) | FR2657888B1 (ja) |
| NO (1) | NO303788B1 (ja) |
| RU (1) | RU2072397C1 (ja) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673200A1 (fr) * | 1991-02-25 | 1992-08-28 | Ugine Aciers | Procede de surdecapage de materiaux en acier tels que les aciers inoxydables et les aciers allies. |
| US5244000A (en) * | 1991-11-13 | 1993-09-14 | Hughes Aircraft Company | Method and system for removing contaminants |
| JP2941948B2 (ja) * | 1994-09-26 | 1999-08-30 | カルゴン ベスタル， インコーポレイテッド | ステンレス鋼酸処理 |
| FR2745301B1 (fr) * | 1996-02-27 | 1998-04-03 | Usinor Sacilor | Procede de decapage d'une piece en acier et notamment d'une bande de tole en acier inoxydable |
| USH2087H1 (en) * | 1998-05-19 | 2003-11-04 | H. C. Starck, Inc. | Pickling of refractory metals |
| DE19833990A1 (de) * | 1998-07-29 | 2000-02-10 | Metallgesellschaft Ag | Beizmittel für Edelstähle |
| TW529041B (en) * | 2000-12-21 | 2003-04-21 | Toshiba Corp | Chemical decontamination method and treatment method and apparatus of chemical decontamination solution |
| CA2443687C (en) | 2001-04-09 | 2009-08-11 | Vijay N. Madi | Hydrogen peroxide pickling of silicon-containing electrical steel grades |
| DE60215629T2 (de) | 2001-04-09 | 2007-09-06 | AK Steel Properties, Inc., Middletown | Verfahren zum beizen von rostfreiem stahl unter verwendung von wasserstoffperoxid |
| ES2311598T3 (es) * | 2001-04-09 | 2009-02-16 | Ak Steel Properties, Inc. | Aparato y procedimiento para eliminar peroxido de hidrogeno de un liquido de decapado residual. |
| US7964085B1 (en) | 2002-11-25 | 2011-06-21 | Applied Materials, Inc. | Electrochemical removal of tantalum-containing materials |
| US20060105182A1 (en) * | 2004-11-16 | 2006-05-18 | Applied Materials, Inc. | Erosion resistant textured chamber surface |
| US20050260107A1 (en) * | 2003-07-01 | 2005-11-24 | Jackson David P | Method, process, chemistry and apparatus for treating a substrate |
| US7910218B2 (en) * | 2003-10-22 | 2011-03-22 | Applied Materials, Inc. | Cleaning and refurbishing chamber components having metal coatings |
| US7579067B2 (en) | 2004-11-24 | 2009-08-25 | Applied Materials, Inc. | Process chamber component with layered coating and method |
| US8617672B2 (en) | 2005-07-13 | 2013-12-31 | Applied Materials, Inc. | Localized surface annealing of components for substrate processing chambers |
| US7762114B2 (en) | 2005-09-09 | 2010-07-27 | Applied Materials, Inc. | Flow-formed chamber component having a textured surface |
| US7981262B2 (en) | 2007-01-29 | 2011-07-19 | Applied Materials, Inc. | Process kit for substrate processing chamber |
| US7942969B2 (en) | 2007-05-30 | 2011-05-17 | Applied Materials, Inc. | Substrate cleaning chamber and components |
| SI2352861T1 (sl) * | 2008-11-14 | 2018-09-28 | Ak Steel Properties, Inc., | Postopek za luženje elektrojekla, vsebujočega silicij, s kislo lužilno raztopino, ki vsebuje železove(III) ione |
| JP2012180562A (ja) * | 2011-03-01 | 2012-09-20 | Yushiro Chemical Industry Co Ltd | さび除去剤水溶液 |
| US8734586B2 (en) | 2012-02-02 | 2014-05-27 | Sematech, Inc. | Process for cleaning shield surfaces in deposition systems |
| US8734907B2 (en) | 2012-02-02 | 2014-05-27 | Sematech, Inc. | Coating of shield surfaces in deposition systems |
| KR102013528B1 (ko) * | 2018-10-10 | 2019-10-21 | (주)스템코코리아 | 스테인레스강 세정용 조성물 및 이를 이용한 스테인레스강 세정 방법 |
| CN111519225B (zh) * | 2018-11-27 | 2021-09-14 | 广州三孚新材料科技股份有限公司 | Abs塑料的无铬无锰粗化液及其使用方法 |
| KR102102608B1 (ko) * | 2019-12-20 | 2020-04-22 | 현대비앤지스틸 주식회사 | 고분자 연료전지 분리판용 스테인리스강 제조 방법 |
| CN114086181B (zh) * | 2021-10-19 | 2023-11-10 | 富联裕展科技(深圳)有限公司 | 蚀刻液以及制备铝合金工件的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6703105A (ja) * | 1966-03-03 | 1967-09-04 | ||
| US3873362A (en) * | 1973-05-29 | 1975-03-25 | Halliburton Co | Process for cleaning radioactively contaminated metal surfaces |
| SE7500734L (ja) * | 1974-02-27 | 1975-08-28 | Pfizer | |
| JPS549120A (en) * | 1977-06-24 | 1979-01-23 | Tokai Electro Chemical Co | Method of controlling acid cleaning liquid for stainless steel |
| BE871631A (fr) * | 1978-10-27 | 1979-04-27 | Centre Rech Metallurgique | Procede de decapage continu de toles en acier. |
| JPS5839234B2 (ja) * | 1981-10-26 | 1983-08-29 | 住友金属工業株式会社 | 鋼線材の酸洗脱スケ−ル方法 |
| BE891163A (fr) * | 1981-11-17 | 1982-05-17 | Centre Rech Metallurgique | Perfectionnements aux procedes de traitement de produits en acier |
| FR2551465B3 (fr) * | 1983-09-02 | 1985-08-23 | Gueugnon Sa Forges | Procede de decapage acide des aciers inoxydables et solution acide pour sa mise en oeuvre |
| FR2563824B1 (fr) * | 1984-05-04 | 1986-09-12 | Atochem | Stabilisation de solutions aqueuses acides contenant du peroxyde d'hydrogene et des ions metalliques |
-
1990
- 1990-02-08 FR FR9001481A patent/FR2657888B1/fr not_active Expired - Fee Related
-
1991
- 1991-02-01 ES ES91400252T patent/ES2072560T3/es not_active Expired - Lifetime
- 1991-02-01 AT AT91400252T patent/ATE121805T1/de not_active IP Right Cessation
- 1991-02-01 DE DE69109147T patent/DE69109147T2/de not_active Expired - Fee Related
- 1991-02-01 EP EP91400252A patent/EP0442775B1/fr not_active Expired - Lifetime
- 1991-02-05 KR KR1019910001972A patent/KR100189579B1/ko not_active IP Right Cessation
- 1991-02-05 US US07/649,839 patent/US5164016A/en not_active Expired - Fee Related
- 1991-02-06 NO NO910448A patent/NO303788B1/no unknown
- 1991-02-06 CA CA002035847A patent/CA2035847A1/en not_active Abandoned
- 1991-02-07 RU SU914894598A patent/RU2072397C1/ru active
- 1991-02-07 FI FI910594A patent/FI96519C/fi active
- 1991-02-08 JP JP3039223A patent/JPH04218685A/ja active Pending
- 1991-02-08 CZ CS91316A patent/CZ281613B6/cs not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI96519C (fi) | 1996-07-10 |
| FR2657888B1 (fr) | 1994-04-15 |
| DE69109147T2 (de) | 1995-08-31 |
| NO910448D0 (no) | 1991-02-06 |
| US5164016A (en) | 1992-11-17 |
| ATE121805T1 (de) | 1995-05-15 |
| DE69109147D1 (de) | 1995-06-01 |
| FI910594A0 (fi) | 1991-02-07 |
| CZ281613B6 (cs) | 1996-11-13 |
| RU2072397C1 (ru) | 1997-01-27 |
| FI96519B (fi) | 1996-03-29 |
| KR910015721A (ko) | 1991-09-30 |
| FI910594A (fi) | 1991-08-09 |
| FR2657888A1 (fr) | 1991-08-09 |
| CS31691A3 (en) | 1992-04-15 |
| CA2035847A1 (en) | 1991-08-09 |
| EP0442775B1 (fr) | 1995-04-26 |
| JPH04218685A (ja) | 1992-08-10 |
| ES2072560T3 (es) | 1995-07-16 |
| EP0442775A1 (fr) | 1991-08-21 |
| NO910448L (no) | 1991-08-09 |
| KR100189579B1 (ko) | 1999-06-01 |
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