ES8609508A1 - Una composicion inhibidora de la corrosion - Google Patents
Una composicion inhibidora de la corrosionInfo
- Publication number
- ES8609508A1 ES8609508A1 ES547980A ES547980A ES8609508A1 ES 8609508 A1 ES8609508 A1 ES 8609508A1 ES 547980 A ES547980 A ES 547980A ES 547980 A ES547980 A ES 547980A ES 8609508 A1 ES8609508 A1 ES 8609508A1
- Authority
- ES
- Spain
- Prior art keywords
- compositions
- corrosion
- inhibiting
- oil
- boron
- 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.)
- Expired
Links
- 239000000203 mixture Substances 0.000 title abstract 12
- 238000005260 corrosion Methods 0.000 title abstract 6
- 230000007797 corrosion Effects 0.000 title abstract 6
- 230000002401 inhibitory effect Effects 0.000 title abstract 6
- TZHYBRCGYCPGBQ-UHFFFAOYSA-N [B].[N] Chemical compound [B].[N] TZHYBRCGYCPGBQ-UHFFFAOYSA-N 0.000 abstract 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- -1 alkaline earth metal salt Chemical class 0.000 abstract 1
- 150000001414 amino alcohols Chemical class 0.000 abstract 1
- 159000000009 barium salts Chemical class 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 239000003755 preservative agent Substances 0.000 abstract 1
- 230000002335 preservative effect Effects 0.000 abstract 1
- 150000003460 sulfonic acids Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/12—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/027—Neutral salts thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/028—Overbased salts thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/046—Overbasedsulfonic acid salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/042—Metal salts thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2225/04—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
- C10M2225/041—Hydrocarbon polymers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Lubricants (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
PROCEDIMIENTO DE PREPARACION DE COMPOSICIONES INHIBIDORAS DE LA CORROSION, FORMADAS POR UNA MEZCLA DE (A), POR LO MENOS UNA SAL O COMPLEJO NEUTRO O BASICO, DE UN METAL ALCALINO O ALCALINOTERREO Y UN ACIDO ORGANICO, (B) UNA COMPOSICION QUE CONTIENE NITROGENO Y BORO, PRODUCTO DE REACCION DE UN AMINOALCOHOL, ACIDO BORICO O TRIOXIDO DE BORO Y UN ACIDO ORGANICO CARBOXILICO. LAS COMPOSICIONES INHIBIDORAS DE LA CORROSION SE PREPARAN SIMPLEMENTE MEZCLANDO EL COMPONENTE (A) CON EL COMPONENTE (B). LAS CANTIDADES RELATIVAS DE A Y B PUEDEN VARIAR DENTRO DE AMPLIOS LIMITES AUNQUE EN GENERAL LA RELACION ES DE 5:1 A 1:5. LAS COMPOSICIONES CONTIENEN ADEMAS UN DILUYENTE ORGANICO, COMPONENTE (C). SE APLICAN COMO COMPOSICIONES DE ACEITE QUE CONTIENEN LAS COMPOSICIONES INHIBIDORAS DE LA CORROSION DE SUPERFICIES Y ARTICULOS METALICOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/678,731 US4618539A (en) | 1984-12-06 | 1984-12-06 | Corrosion-inhibiting compositions, and oil compositions containing said corrosion-inhibiting compositions |
Publications (2)
Publication Number | Publication Date |
---|---|
ES547980A0 ES547980A0 (es) | 1986-08-01 |
ES8609508A1 true ES8609508A1 (es) | 1986-08-01 |
Family
ID=24724025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES547980A Expired ES8609508A1 (es) | 1984-12-06 | 1985-10-17 | Una composicion inhibidora de la corrosion |
Country Status (16)
Country | Link |
---|---|
US (1) | US4618539A (es) |
EP (1) | EP0204711B1 (es) |
JP (1) | JPS62500937A (es) |
CN (1) | CN1008531B (es) |
AU (1) | AU5011985A (es) |
BR (1) | BR8507115A (es) |
CA (1) | CA1258161A (es) |
DE (1) | DE3574728D1 (es) |
DK (1) | DK164460C (es) |
ES (1) | ES8609508A1 (es) |
FI (1) | FI79856C (es) |
IN (1) | IN164726B (es) |
MX (1) | MX167039B (es) |
NO (1) | NO172187C (es) |
WO (1) | WO1986003513A1 (es) |
ZA (1) | ZA857542B (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2565501B2 (ja) * | 1987-02-06 | 1996-12-18 | 白水化学工業株式会社 | 金属材料の高温酸化防止用金属含有組成物の製法 |
IT1230063B (it) * | 1989-04-18 | 1991-09-27 | Mini Ricerca Scient Tecnolog | Composti utili come modificatori di attrito e come additivi antiruggine e anticorrosione per lubrificanti e composizioni lubrificanti contenenti gli stessi. |
US5106415A (en) * | 1990-02-22 | 1992-04-21 | A.I.T. Inc. | Protective coating composition and method of producing same |
US5384064A (en) * | 1993-12-14 | 1995-01-24 | Crown Technology, Inc. | Hydrochloric acid pickling accelerator |
US6068918A (en) * | 1996-10-15 | 2000-05-30 | N.V. Bekhaert S.A. | Steel cord treated with a corrosion inhibiting composition |
US6248700B1 (en) * | 1997-11-05 | 2001-06-19 | Great Lakes Chemical | Carboxylate-based well bore treatment fluids |
JP4663843B2 (ja) * | 2000-03-29 | 2011-04-06 | Jx日鉱日石エネルギー株式会社 | 潤滑油組成物 |
US20040094236A1 (en) * | 2002-11-14 | 2004-05-20 | Crown Technology, Inc. | Methods for passivating stainless steel |
US7223299B2 (en) * | 2003-09-02 | 2007-05-29 | Atotech Deutschland Gmbh | Composition and process for improving the adhesion of a siccative organic coating compositions to metal substrates |
US20060090393A1 (en) * | 2004-10-29 | 2006-05-04 | Rowland Robert G | Epoxidized ester additives for reducing lead corrosion in lubricants and fuels |
US20090215657A1 (en) * | 2005-06-29 | 2009-08-27 | The Lubrizol Corporation | Zinc-Free Farm Tractor Fluid |
US8071715B2 (en) * | 2007-01-31 | 2011-12-06 | Georgia-Pacific Chemicals Llc | Maleated and oxidized fatty acids |
BRPI0906980A2 (pt) | 2008-01-31 | 2015-07-21 | Georgia Pacific Chemical Llc | Composição de derivados e maleatados |
US10336954B2 (en) | 2013-02-07 | 2019-07-02 | Bl Technologies, Inc. | Compositions and methods for inhibiting fouling in hydrocarbons or petrochemicals |
RU2561277C1 (ru) * | 2014-10-10 | 2015-08-27 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Российский государственный университет нефти и газа имени И.М. Губкина" | Консервационный состав для защиты от коррозии черных и цветных металлов |
US11584900B2 (en) * | 2020-05-14 | 2023-02-21 | Corrosion Innovations, Llc | Method for removing one or more of: coating, corrosion, salt from a surface |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441063A (en) * | 1943-06-04 | 1948-05-04 | Quaker Chemical Products Corp | Salts of alkylolamine boric esters |
US3343971A (en) * | 1963-02-08 | 1967-09-26 | Exxon Research Engineering Co | Rust preventive composition |
DE1268761B (de) * | 1963-07-25 | 1968-05-22 | Lubrizol Corp | Verfahren zur Herstellung von korrosionsinhibierenden UEberzugsmitteln |
GB1054310A (es) * | 1963-09-03 | |||
US3429909A (en) * | 1966-04-25 | 1969-02-25 | Dietrich Schuster | Secondary aminoalcohol-boric acid reaction product and production thereof |
US3746643A (en) * | 1970-10-21 | 1973-07-17 | Continental Oil Co | Grease and rust inhibitor compositions |
FR2194424A1 (en) * | 1972-07-28 | 1974-03-01 | Degussa | Trialkoxybenzoylpeptide derivs - for treatment of cardiac disorders |
DE2757322C2 (de) * | 1977-12-22 | 1984-09-20 | Consulta-Chemie GmbH, 6740 Landau | Kühl-, Schmier- und Reinigungsmittel für die metallverarbeitende Industrie |
CA1188704A (en) * | 1981-05-26 | 1985-06-11 | Kirk E. Davis | Boron-containing compositions useful as lubricant additives |
GB8307975D0 (en) * | 1983-03-23 | 1983-04-27 | British Petroleum Co Plc | Soluble-oil cutting fluid |
-
1984
- 1984-12-06 US US06/678,731 patent/US4618539A/en not_active Expired - Lifetime
-
1985
- 1985-09-23 DE DE8585904917T patent/DE3574728D1/de not_active Expired - Fee Related
- 1985-09-23 BR BR8507115A patent/BR8507115A/pt not_active IP Right Cessation
- 1985-09-23 AU AU50119/85A patent/AU5011985A/en not_active Abandoned
- 1985-09-23 JP JP60504355A patent/JPS62500937A/ja active Pending
- 1985-09-23 EP EP85904917A patent/EP0204711B1/en not_active Expired
- 1985-09-23 WO PCT/US1985/001798 patent/WO1986003513A1/en active IP Right Grant
- 1985-09-27 CA CA000491737A patent/CA1258161A/en not_active Expired
- 1985-09-30 ZA ZA857542A patent/ZA857542B/xx unknown
- 1985-09-30 IN IN688/CAL/85A patent/IN164726B/en unknown
- 1985-10-17 ES ES547980A patent/ES8609508A1/es not_active Expired
- 1985-10-31 MX MX000460A patent/MX167039B/es unknown
- 1985-11-07 CN CN85108164A patent/CN1008531B/zh not_active Expired
-
1986
- 1986-08-05 FI FI863198A patent/FI79856C/fi not_active IP Right Cessation
- 1986-08-05 NO NO863164A patent/NO172187C/no unknown
- 1986-08-06 DK DK374386A patent/DK164460C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO863164D0 (no) | 1986-08-05 |
DK164460C (da) | 1992-11-16 |
DK374386A (da) | 1986-08-06 |
US4618539A (en) | 1986-10-21 |
ES547980A0 (es) | 1986-08-01 |
NO863164L (no) | 1986-08-05 |
NO172187B (no) | 1993-03-08 |
AU5011985A (en) | 1986-07-01 |
NO172187C (no) | 1993-06-16 |
DK164460B (da) | 1992-06-29 |
FI79856C (fi) | 1990-03-12 |
MX167039B (es) | 1993-02-26 |
EP0204711B1 (en) | 1989-12-13 |
WO1986003513A1 (en) | 1986-06-19 |
FI79856B (fi) | 1989-11-30 |
CN85108164A (zh) | 1986-07-16 |
JPS62500937A (ja) | 1987-04-16 |
CN1008531B (zh) | 1990-06-27 |
ZA857542B (en) | 1986-06-25 |
CA1258161A (en) | 1989-08-08 |
DK374386D0 (da) | 1986-08-06 |
DE3574728D1 (de) | 1990-01-18 |
BR8507115A (pt) | 1987-03-31 |
EP0204711A1 (en) | 1986-12-17 |
FI863198A0 (fi) | 1986-08-05 |
FI863198A (fi) | 1986-08-05 |
IN164726B (es) | 1989-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20020401 |