JP2655770B2 - 硝酸を使用しないでステンレス鋼を酸洗いし、不動態化する方法 - Google Patents

硝酸を使用しないでステンレス鋼を酸洗いし、不動態化する方法

Info

Publication number: JP2655770B2
Authority: JP; Japan
Prior art keywords: bath; pickling; stainless steel; acid; nitric acid
Prior art date: 1991-03-29
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.): Expired - Lifetime

Application number

JP3284206A

Other languages

English (en)

Japanese (ja)

Other versions

JPH04304391A (ja

Inventor

ビアンキマルコ

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

I TEI BI Srl

Original Assignee

I TEI BI Srl

Priority date (The priority date 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 date listed.)

1991-03-29

Filing date

1991-10-04

Publication date

1997-09-24

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11359360&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2655770(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1991-10-04 Application filed by I TEI BI Srl filed Critical I TEI BI Srl

1992-10-27 Publication of JPH04304391A publication Critical patent/JPH04304391A/ja

1997-09-24 Application granted granted Critical

1997-09-24 Publication of JP2655770B2 publication Critical patent/JP2655770B2/ja

2012-09-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 11
239000010935 stainless steel Substances 0.000 title claims abstract description 10
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title description 13
229910017604 nitric acid Inorganic materials 0.000 title description 13
235000021110 pickles Nutrition 0.000 title 1
238000000034 method Methods 0.000 claims abstract description 41
238000005554 pickling Methods 0.000 claims abstract description 38
239000000203 mixture Substances 0.000 claims abstract description 8
239000003112 inhibitor Substances 0.000 claims abstract description 6
150000002500 ions Chemical class 0.000 claims description 12
239000000654 additive Substances 0.000 claims description 10
238000005260 corrosion Methods 0.000 claims description 4
230000007797 corrosion Effects 0.000 claims description 4
239000003995 emulsifying agent Substances 0.000 claims description 3
RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
239000007788 liquid Substances 0.000 claims description 3
239000000080 wetting agent Substances 0.000 claims description 3
239000000126 substance Substances 0.000 claims 1
239000004094 surface-active agent Substances 0.000 claims 1
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 39
230000008569 process Effects 0.000 abstract description 16
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 11
239000002253 acid Substances 0.000 abstract description 10
239000002736 nonionic surfactant Substances 0.000 abstract description 3
235000011149 sulphuric acid Nutrition 0.000 abstract 1
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 27
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 24
239000000463 material Substances 0.000 description 13
238000012360 testing method Methods 0.000 description 12
229910000831 Steel Inorganic materials 0.000 description 11
239000010959 steel Substances 0.000 description 11
229910052742 iron Inorganic materials 0.000 description 9
238000012545 processing Methods 0.000 description 9
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
230000033116 oxidation-reduction process Effects 0.000 description 6
MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
239000003381 stabilizer Substances 0.000 description 5
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
238000007796 conventional method Methods 0.000 description 4
230000003628 erosive effect Effects 0.000 description 4
-1 iron ions Chemical class 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
230000001590 oxidative effect Effects 0.000 description 4
150000002978 peroxides Chemical class 0.000 description 4
239000000047 product Substances 0.000 description 4
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
150000007513 acids Chemical class 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
238000009533 lab test Methods 0.000 description 3
239000007800 oxidant agent Substances 0.000 description 3
230000003647 oxidation Effects 0.000 description 3
238000007254 oxidation reaction Methods 0.000 description 3
238000002161 passivation Methods 0.000 description 3
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical group [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
230000009471 action Effects 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
238000000137 annealing Methods 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000007664 blowing Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000012286 potassium permanganate Substances 0.000 description 2
239000011265 semifinished product Substances 0.000 description 2
239000010802 sludge Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
229910002651 NO3 Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
159000000009 barium salts Chemical class 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
159000000007 calcium salts Chemical class 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
239000001768 carboxy methyl cellulose Substances 0.000 description 1
235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
230000000536 complexating effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000007547 defect Effects 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
238000005868 electrolysis reaction Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
239000011790 ferrous sulphate Substances 0.000 description 1
235000003891 ferrous sulphate Nutrition 0.000 description 1
239000000945 filler Substances 0.000 description 1
239000012467 final product Substances 0.000 description 1
150000002222 fluorine compounds Chemical class 0.000 description 1
AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000010439 graphite Substances 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
235000010299 hexamethylene tetramine Nutrition 0.000 description 1
239000004312 hexamethylene tetramine Substances 0.000 description 1
238000000265 homogenisation Methods 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
PEYVWSJAZONVQK-UHFFFAOYSA-N hydroperoxy(oxo)borane Chemical compound OOB=O PEYVWSJAZONVQK-UHFFFAOYSA-N 0.000 description 1
239000013067 intermediate product Substances 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
229910000734 martensite Inorganic materials 0.000 description 1
238000010907 mechanical stirring Methods 0.000 description 1
239000011707 mineral Substances 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
150000001451 organic peroxides Chemical class 0.000 description 1
JRKICGRDRMAZLK-UHFFFAOYSA-N peroxydisulfuric acid Chemical compound OS(=O)(=O)OOS(O)(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-N 0.000 description 1
230000010287 polarization Effects 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
238000005406 washing Methods 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
- C23G1/086—Iron or steel solutions containing HF
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- 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

Landscapes

Chemical & Material Sciences (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (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)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Detergent Compositions (AREA)

JP3284206A 1991-03-29 1991-10-04 硝酸を使用しないでステンレス鋼を酸洗いし、不動態化する方法 Expired - Lifetime JP2655770B2 (ja)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
ITMI910879A IT1245594B (it)	1991-03-29	1991-03-29	Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
IT879A/91		1991-03-29
IT000879A/91		1991-03-29

Publications (2)

Publication Number	Publication Date
JPH04304391A JPH04304391A (ja)	1992-10-27
JP2655770B2 true JP2655770B2 (ja)	1997-09-24

Family

ID=11359360

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3284206A Expired - Lifetime JP2655770B2 (ja)	1991-03-29	1991-10-04	硝酸を使用しないでステンレス鋼を酸洗いし、不動態化する方法

Country Status (9)

Country	Link
EP (1)	EP0505606B2 (de)
JP (1)	JP2655770B2 (de)
AT (1)	ATE129753T1 (de)
DE (2)	DE69114265T3 (de)
DK (1)	DK0505606T3 (de)
ES (1)	ES2082063T5 (de)
FI (1)	FI101234B (de)
GR (1)	GR3018681T3 (de)
IT (1)	IT1245594B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2006503182A (ja) *	2002-10-15	2006-01-26	ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチエン	鋼及びステンレス鋼の酸洗い又は光沢化／不動態化用溶液及び方法
CN102337548A (zh) *	2011-09-14	2012-02-01	西部钛业有限责任公司	一种钛、锆材的无酸雾酸洗方法

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1255655B (it) *	1992-08-06	1995-11-09		Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
IT1255855B (it) *	1992-10-12	1995-11-17	Cesare Pedrazzini	Processo di decapaggio e di passivazione per lamiere di titanio in nastro, senza impiego di acido nitrico.
DE4237021C1 (de) *	1992-11-02	1994-02-10	Poligrat Gmbh	Mittel zum Beizen der Oberfläche von Chromnickelstählen und Chromstählen sowie Verwendung des Mittels
DE4417284C2 (de) *	1993-05-24	1999-03-25	Alfred Schmitz	Verfahren zum Beizen von Werkstücken aus hochlegierten Werkstoffen
AU3724095A (en) *	1994-09-26	1996-04-19	E.R. Squibb & Sons, Inc.	Stainless steel acid treatment
IT1276954B1 (it) *	1995-10-18	1997-11-03	Novamax Itb S R L	Processo di decapaggio e di passivazione di acciaio inossidabile senza impiego di acido nitrico
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
FR2772050B1 (fr) *	1997-12-10	1999-12-31	Imphy Sa	Procede de decapage d'acier et notamment d'acier inoxydable
DE19755350A1 (de) *	1997-12-12	1999-06-17	Henkel Kgaa	Verfahren zum Beizen und Passivieren von Edelstahl
EP0974682A1 (de) *	1998-07-18	2000-01-26	Henkel Kommanditgesellschaft auf Aktien	Verfahren zur chemischen Behandlung von Metalloberflächen und dazu geeignete Anlage
IT1302202B1 (it)	1998-09-11	2000-07-31	Henkel Kgaa	Processo di decapaggio elettrolitico con soluzioni esenti da acidonitrico.
IT1303814B1 (it) *	1998-12-02	2001-02-23	Henkel Kgaa	Apparecchiatura e metodo per controllare processi di decapaggio peracciaio.
DE10157340A1 (de) *	2001-11-22	2003-05-28	Sms Demag Ag	Verfahren und Vorrichtung zum Behandeln der Oberflächen eines Metallstrangs, insbesondere zum Beizen eines Stahlbandes
DE10160318A1 (de)	2001-12-07	2003-06-18	Henkel Kgaa	Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
EP1793016A1 (de) *	2005-12-01	2007-06-06	Elpochem AG	Polier- und Entgratungsmittel für Werkstücke aus Kohlenstoffstahl und Verfahren zum chemischen Polieren und Entgraten
KR100936348B1 (ko) *	2007-12-21	2010-01-12	주식회사 포스코	저 크롬계 스테인레스강의 고내식성 표면처리용액 조성물 및 이를 이용한 스테인레스강의 부동태 처리방법
GB2499000A (en) *	2012-02-02	2013-08-07	Henkel Ag & Co Kgaa	Aqueous acidic pickling solution with hydroxylamine accelerators
GB2508827A (en)	2012-12-11	2014-06-18	Henkel Ag & Co Kgaa	Aqueous compositions and processes for passivating and brightening stainless steel surfaces
DE102012024542A1 (de) *	2012-12-14	2014-06-18	Poligrat Gmbh	Thixotropes Beizmittel
JP6526406B2 (ja) *	2014-12-10	2019-06-05	株式会社Ihi	ステンレス鋼部品の不動態化処理方法及びステンレス鋼部品用の不動態化処理液
CN108220937A (zh) *	2018-01-18	2018-06-29	浙江苏泊尔股份有限公司	一种不锈钢工件抗高温变色的处理方法
JP6592624B2 (ja) *	2019-01-15	2019-10-16	株式会社Ihi	ステンレス鋼部品の不動態化処理方法及びステンレス鋼部品用の不動態化処理液
JP7176137B2 (ja) *	2020-01-09	2022-11-21	ＰｒｉｍｅｔａｌｓＴｅｃｈｎｏｌｏｇｉｅｓＪａｐａｎ株式会社	鋼板の酸洗方法及び酸洗装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS549120A (en) *	1977-06-24	1979-01-23	Tokai Electro Chemical Co	Method of controlling acid cleaning liquid for stainless steel
JPS5442850A (en) *	1977-09-10	1979-04-05	Kubota Ltd	Method of treating raw sewage
JPS5551514A (en) *	1978-10-12	1980-04-15	Osaka Cement	Steel fiber mixing method and its device
JPS568109A (en) *	1979-07-03	1981-01-27	Toshikazu Iwasaki	Reflecting telescope
EP0188975B8 (de) *	1985-01-22	2002-01-09	Ugine S.A.	Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen
FR2587369B1 (fr) *	1985-09-19	1993-01-29	Ugine Gueugnon Sa	Procede de decapage acide de produits en acier inoxydable

1991
- 1991-03-29 IT ITMI910879A patent/IT1245594B/it active IP Right Grant
- 1991-08-14 AT AT91113628T patent/ATE129753T1/de not_active IP Right Cessation
- 1991-08-14 DE DE69114265T patent/DE69114265T3/de not_active Expired - Lifetime
- 1991-08-14 DE DE91113628T patent/DE505606T1/de active Pending
- 1991-08-14 ES ES91113628T patent/ES2082063T5/es not_active Expired - Lifetime
- 1991-08-14 DK DK91113628.1T patent/DK0505606T3/da active
- 1991-08-14 EP EP91113628A patent/EP0505606B2/de not_active Expired - Lifetime
- 1991-10-04 JP JP3284206A patent/JP2655770B2/ja not_active Expired - Lifetime
1992
- 1992-02-12 FI FI920580A patent/FI101234B/fi not_active IP Right Cessation
1996
- 1996-01-17 GR GR960400082T patent/GR3018681T3/el unknown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2006503182A (ja) *	2002-10-15	2006-01-26	ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチエン	鋼及びステンレス鋼の酸洗い又は光沢化／不動態化用溶液及び方法
CN102337548A (zh) *	2011-09-14	2012-02-01	西部钛业有限责任公司	一种钛、锆材的无酸雾酸洗方法
CN102337548B (zh) *	2011-09-14	2012-12-05	西部钛业有限责任公司	一种钛、锆材的无酸雾酸洗方法

Also Published As

Publication number	Publication date
ES2082063T5 (es)	2003-11-01
FI920580A7 (fi)	1992-09-30
GR3018681T3 (en)	1996-04-30
FI920580A0 (fi)	1992-02-12
FI101234B (fi)	1998-05-15
DE69114265D1 (de)	1995-12-07
EP0505606B1 (de)	1995-11-02
EP0505606A1 (de)	1992-09-30
IT1245594B (it)	1994-09-29
DE505606T1 (de)	1994-02-03
ATE129753T1 (de)	1995-11-15
DK0505606T3 (da)	1995-12-04
ES2082063T3 (es)	1996-03-16
DE69114265T2 (de)	1996-04-18
EP0505606B2 (de)	2003-02-26
ITMI910879A0 (it)	1991-03-29
JPH04304391A (ja)	1992-10-27
ITMI910879A1 (it)	1992-09-29
DE69114265T3 (de)	2004-08-05

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