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 (de) |
| EP (1) | EP0442775B1 (de) |
| JP (1) | JPH04218685A (de) |
| KR (1) | KR100189579B1 (de) |
| AT (1) | ATE121805T1 (de) |
| CA (1) | CA2035847A1 (de) |
| CZ (1) | CZ281613B6 (de) |
| DE (1) | DE69109147T2 (de) |
| ES (1) | ES2072560T3 (de) |
| FI (1) | FI96519C (de) |
| FR (1) | FR2657888B1 (de) |
| NO (1) | NO303788B1 (de) |
| RU (1) | RU2072397C1 (de) |
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 |
| WO1996009899A1 (en) * | 1994-09-26 | 1996-04-04 | E.R. Squibb & Sons, Inc. | Stainless steel acid treatment |
| 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 |
| US6599371B2 (en) | 2001-04-09 | 2003-07-29 | Ak Steel Corporation | Hydrogen peroxide pickling scheme for silicon-containing electrical steel grades |
| DE60228218D1 (de) * | 2001-04-09 | 2008-09-25 | Ak Steel Properties Inc | Verfahren und vorrichtung zur entfernung von wasserstoffperoxid aus beizlösungen |
| JP4175463B2 (ja) | 2001-04-09 | 2008-11-05 | エイケイ・スティール・プロパティーズ・インコーポレイテッド | ステンレス鋼等級のための過酸化水素酸洗計画 |
| 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 |
| JP5313358B2 (ja) * | 2008-11-14 | 2013-10-09 | エイケイ・スチール・プロパティーズ・インコーポレイテッド | 第二鉄イオンを含有する酸性酸洗溶液でケイ素鋼を酸洗いするプロセス |
| JP2012180562A (ja) * | 2011-03-01 | 2012-09-20 | Yushiro Chemical Industry Co Ltd | さび除去剤水溶液 |
| US8734907B2 (en) | 2012-02-02 | 2014-05-27 | Sematech, Inc. | Coating of shield surfaces in deposition systems |
| US8734586B2 (en) | 2012-02-02 | 2014-05-27 | Sematech, Inc. | Process for cleaning shield surfaces in deposition systems |
| KR102013528B1 (ko) * | 2018-10-10 | 2019-10-21 | (주)스템코코리아 | 스테인레스강 세정용 조성물 및 이를 이용한 스테인레스강 세정 방법 |
| CN109440156A (zh) * | 2018-11-27 | 2019-03-08 | 广州三孚新材料科技股份有限公司 | 一种abs塑料的无铬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 (de) * | 1966-03-03 | 1967-09-04 | ||
| US3873362A (en) * | 1973-05-29 | 1975-03-25 | Halliburton Co | Process for cleaning radioactively contaminated metal surfaces |
| SE7500734L (de) * | 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 DE DE69109147T patent/DE69109147T2/de not_active Expired - Fee Related
- 1991-02-01 ES ES91400252T patent/ES2072560T3/es not_active Expired - Lifetime
- 1991-02-01 EP EP91400252A patent/EP0442775B1/de not_active Expired - Lifetime
- 1991-02-01 AT AT91400252T patent/ATE121805T1/de not_active IP Right Cessation
- 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 |
|---|---|
| EP0442775A1 (de) | 1991-08-21 |
| CS31691A3 (en) | 1992-04-15 |
| KR100189579B1 (ko) | 1999-06-01 |
| FR2657888A1 (fr) | 1991-08-09 |
| ATE121805T1 (de) | 1995-05-15 |
| CA2035847A1 (en) | 1991-08-09 |
| CZ281613B6 (cs) | 1996-11-13 |
| DE69109147D1 (de) | 1995-06-01 |
| US5164016A (en) | 1992-11-17 |
| KR910015721A (ko) | 1991-09-30 |
| ES2072560T3 (es) | 1995-07-16 |
| NO910448L (no) | 1991-08-09 |
| FI910594A0 (fi) | 1991-02-07 |
| RU2072397C1 (ru) | 1997-01-27 |
| NO910448D0 (no) | 1991-02-06 |
| FI910594A (fi) | 1991-08-09 |
| FI96519B (fi) | 1996-03-29 |
| FI96519C (fi) | 1996-07-10 |
| FR2657888B1 (fr) | 1994-04-15 |
| EP0442775B1 (de) | 1995-04-26 |
| JPH04218685A (ja) | 1992-08-10 |
| DE69109147T2 (de) | 1995-08-31 |
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