BR9914413B1 - inibidor de corrosão para proteção de metais leves em fluido de transferência de calor e em refrigerante de motor, refrigerante, fluido de transferência de calor e processo para inibir a corrosão localizada. - Google Patents

inibidor de corrosão para proteção de metais leves em fluido de transferência de calor e em refrigerante de motor, refrigerante, fluido de transferência de calor e processo para inibir a corrosão localizada.

Info

Publication number
BR9914413B1
BR9914413B1 BRPI9914413-1A BR9914413A BR9914413B1 BR 9914413 B1 BR9914413 B1 BR 9914413B1 BR 9914413 A BR9914413 A BR 9914413A BR 9914413 B1 BR9914413 B1 BR 9914413B1
Authority
BR
Brazil
Prior art keywords
heat transfer
transfer fluid
coolant
corrosion
protection
Prior art date
Application number
BRPI9914413-1A
Other languages
English (en)
Other versions
BR9914413A (pt
Inventor
Jean-Pierre Maes
Serge Lievens
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BR9914413A publication Critical patent/BR9914413A/pt
Publication of BR9914413B1 publication Critical patent/BR9914413B1/pt

Links

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
    • 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
    • C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
    • 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
    • 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
    • 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
    • C23F11/12—Oxygen-containing compounds
    • C23F11/124—Carboxylic acids
    • 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
    • C23F11/12—Oxygen-containing compounds
    • C23F11/124—Carboxylic acids
    • C23F11/126—Aliphatic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
BRPI9914413-1A 1998-10-14 1999-10-11 inibidor de corrosão para proteção de metais leves em fluido de transferência de calor e em refrigerante de motor, refrigerante, fluido de transferência de calor e processo para inibir a corrosão localizada. BR9914413B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98308380A EP0995785A1 (en) 1998-10-14 1998-10-14 Corrosion inhibitors and synergistic inhibitor combinations for the protection of light metals in heat-transfer fluids and engine coolants
PCT/IB1999/001659 WO2000022189A1 (en) 1998-10-14 1999-10-11 Corrosion inhibitors and synergistic inhibitor combinations for the protection of light metals in heat-transfer fluids and engine coolants

Publications (2)

Publication Number Publication Date
BR9914413A BR9914413A (pt) 2001-06-26
BR9914413B1 true BR9914413B1 (pt) 2009-01-13

Family

ID=8235101

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9914413-1A BR9914413B1 (pt) 1998-10-14 1999-10-11 inibidor de corrosão para proteção de metais leves em fluido de transferência de calor e em refrigerante de motor, refrigerante, fluido de transferência de calor e processo para inibir a corrosão localizada.

Country Status (19)

Country Link
US (2) US6398984B1 (pt)
EP (2) EP0995785A1 (pt)
JP (1) JP4386586B2 (pt)
KR (1) KR100626888B1 (pt)
CN (1) CN1170005C (pt)
AT (1) ATE231566T1 (pt)
AU (1) AU754798B2 (pt)
BG (1) BG65318B1 (pt)
BR (1) BR9914413B1 (pt)
CA (1) CA2347431C (pt)
CZ (1) CZ301124B6 (pt)
DE (1) DE69905072T2 (pt)
ES (1) ES2191459T3 (pt)
PL (1) PL192405B1 (pt)
PT (1) PT1133585E (pt)
RU (1) RU2227175C2 (pt)
SI (1) SI1133585T1 (pt)
TR (1) TR200101075T2 (pt)
WO (1) WO2000022189A1 (pt)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW541354B (en) 1999-01-07 2003-07-11 Otsuka Chemical Co Ltd Surface treating agent and surface treating method for magnesium parts
TW538138B (en) * 2000-04-27 2003-06-21 Otsuka Kagaku Kk Process for treating and producing the parts made of magnesium and/or magnesium alloy
DE10036031A1 (de) 2000-07-24 2002-02-07 Basf Ag Gefrierschutzmittelkonzentrate auf Basis von Amiden und diese umfassende Kühlmittelzusammensetzungen zum Schutz von Magnesium und Magnesiumlegierungen
DE10128530A1 (de) 2001-06-13 2002-12-19 Basf Ag Kühlmittel für Kühlsysteme in Brennstoffzellenantrieben enthaltend Azolderivate
EP1304367A1 (en) * 2001-10-17 2003-04-23 Texaco Development Corporation Corrosion inhibiting compositions and methods for fuel cell coolant systems
KR20020039296A (ko) * 2002-04-26 2002-05-25 유정근 난방수 배관에 있어 전기화학적 부식 및 미생물부식을억제하기 위한 조성물 제조방법
KR100506779B1 (ko) * 2002-05-27 2005-08-08 현대자동차주식회사 자동차 엔진 조립용 방청제 조성물
EP1386952A3 (de) 2002-08-02 2006-05-24 Clariant Produkte (Deutschland) GmbH Gefrierschutzmittel
JP2004244575A (ja) * 2003-02-17 2004-09-02 Thk Co Ltd クーラントおよびそれを使用する機械加工装置
WO2004074547A2 (en) * 2003-02-19 2004-09-02 Intellectual Concepts, Llc Lower alkyl carboxylic acid moiety-containing anti- corrosion compositions and methods of use.
DE10313280A1 (de) 2003-03-25 2004-10-07 Basf Ag Gefrierschutzmittelkonzentrate und Kühlmittelzusammensetzungen auf Basis von Polyglykolen und Amiden zum Schutz von Magnesium und dessen Legierungen
US8188016B2 (en) 2003-07-08 2012-05-29 Ntn Corporation Lubricant composition and bearing using same
AU2003248060A1 (en) 2003-07-11 2005-01-28 Shishiai-Kabushikigaisha Cooling fluid composition for fuel battery
JP2005325300A (ja) 2004-05-17 2005-11-24 Toyota Motor Corp 冷却液組成物
JPWO2006046275A1 (ja) * 2004-10-25 2008-05-22 シーシーアイ株式会社 不凍液／冷却液組成物
US7435359B2 (en) * 2004-12-21 2008-10-14 Hercules Chemical Company Incorporated Corrosion inhibiting heat transfer materials
JP5096685B2 (ja) * 2006-03-30 2012-12-12 本田技研工業株式会社 マグネシウムまたはマグネシウム合金用不凍液／冷却液組成物
EP2003182A2 (en) * 2006-03-31 2008-12-17 Shishiai-Kabushikigaisha Coolant composition
US7309453B2 (en) * 2006-05-12 2007-12-18 Intel Corporation Coolant capable of enhancing corrosion inhibition, system containing same, and method of manufacturing same
US20090001313A1 (en) * 2007-06-28 2009-01-01 Chevron U.S.A. Inc. Antifreeze Concentrate and Coolant Compositions and Preparation Thereof
US20090250654A1 (en) * 2007-06-28 2009-10-08 Chevron U.S.A. Inc. Antifreeze concentrate and coolant compositions and preparation thereof
US8062546B2 (en) * 2007-06-28 2011-11-22 Chevron U.S.A. Inc. Molybdate-free antifreeze concentrate and coolant compositions and preparation thereof
US7790054B2 (en) * 2007-06-28 2010-09-07 Chevron U.S.A. Inc. Antifreeze concentrate and coolant compositions and preparation thereof
KR101430043B1 (ko) * 2007-10-15 2014-08-14 (주)티에스케이워터 밀폐형 난방시스템용 설비보호제 조성물
KR100962792B1 (ko) * 2008-05-26 2010-06-09 현대자동차주식회사 열산화 안정성이 우수한 부동액 조성물
US20100270494A1 (en) * 2009-04-22 2010-10-28 Chevron U.S.A. Inc. Hot test fluid containing vapor phase inhibition
EP2312019B1 (de) * 2009-10-01 2013-02-27 Rhein Chemie Rheinau GmbH Verwendung von Korrosionsschutzadditiven zum Schutz von Aluminium und /oder Aluminiumlegierungen für Fertigungsverfahren
DE102010002341A1 (de) * 2010-02-25 2011-08-25 Behr GmbH & Co. KG, 70469 Wärmeübertrager und Bauteile für Kfz-Kühlkreisläufe
US20130014670A1 (en) 2010-04-01 2013-01-17 Commissariat a I'Energie Atomique et Aux Energies Altematives Use of anticorrosion agents for conditioning magnesium metal, conditioning material thus obtained and preparation process
CN101922009B (zh) * 2010-08-10 2012-05-09 北京化工大学 一种抑制镁合金在汽车发动机冷却液中腐蚀的缓蚀剂配方
US20120043493A1 (en) * 2010-08-19 2012-02-23 Basf Se Sound deadener composition with emulsion polymer and fluorinated compound
US8357310B2 (en) 2010-11-10 2013-01-22 Hamilton Sundstrand Space Systems International, Inc. Aqueous based cooling of components having high surface area levels of aluminum or nickel
JP2013213265A (ja) * 2012-04-03 2013-10-17 Dai Ichi Kogyo Seiyaku Co Ltd 防錆剤組成物及びこれを用いた防錆方法
US8617416B1 (en) * 2012-09-07 2013-12-31 Prestone Products Corporation Heat transfer fluids and corrosion inhibitor formulations for use thereof
US9994755B2 (en) 2012-09-07 2018-06-12 Prestone Products Corporation Heat transfer fluids and corrosion inhibitor formulations for use thereof
RU2518583C1 (ru) * 2012-12-20 2014-06-10 Общество с ограниченной ответственностью "ФОТОН" Концентрат охлаждающей жидкости
RU2539129C1 (ru) * 2013-08-19 2015-01-10 Федеральное государственное бюджетное учреждение науки Институт физической химии и электрохимии им. А.Н. Фрумкина Российской академии наук (ИФХЭ РАН) Ингибитор кислотной коррозии металлов
KR101546935B1 (ko) * 2013-09-06 2015-08-24 김영남 보일러용 난방수 조성물
EP3156518A1 (en) * 2015-10-14 2017-04-19 Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH Corrosion inhibitor composition for magnesium or magnesium alloys
DE102015014480A1 (de) 2015-11-11 2017-05-11 AMZ Holding GmbH Silikathaltiges Kühlmittelkonzentrat
CN106283068A (zh) * 2016-08-30 2017-01-04 句容宁武高新技术发展有限公司 新型缓蚀剂及其制备方法
CN106350822A (zh) * 2016-10-09 2017-01-25 广西大学 一种铝合金缓蚀剂
JP7101695B2 (ja) * 2016-11-23 2022-07-15 ビーエーエスエフ ソシエタス・ヨーロピア アゾール誘導体および追加の防食剤を含む、燃料電池および／またはバッテリを備えた電気自動車の冷却システム用クーラント
US11560505B2 (en) * 2018-08-02 2023-01-24 Prestone Products Corporation Heat transfer fluids containing synergistic blends of corrosion inhibitor formulations
RU2725925C1 (ru) * 2019-10-11 2020-07-07 Общество с ограниченной ответственностью "Водные технологии инжиниринг" Способ защиты от коррозии конденсаторов паровых турбин
CN113818020A (zh) * 2021-08-26 2021-12-21 暨南大学 适用于含氯介质中的镁合金复配缓蚀剂及其制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU452099B2 (en) * 1972-08-02 1974-08-29 Applied Chemicals Pty. Limited Aqueous corrosion inhibiting compositions
DE2653933A1 (de) 1976-11-27 1978-06-01 Henkel Kgaa Verwendung von cyclohexanhexacarbonsaeure als korrosionsinhibitor fuer brauchwassersysteme
US4587028A (en) 1984-10-15 1986-05-06 Texaco Inc. Non-silicate antifreeze formulations
EP0229254A3 (en) * 1985-11-14 1987-08-26 Asahi Glass Company Ltd. Electrolyte for an electrolytic capacitor
US4647392A (en) * 1985-12-27 1987-03-03 Texaco Inc. Monobasic-dibasic acid/salt antifreeze corrosion inhibitor
US4657689A (en) 1986-04-01 1987-04-14 Texaco Inc. Corrosion-inhibited antifreeze/coolant composition containing hydrocarbyl sulfonate
US4851145A (en) * 1986-06-30 1989-07-25 S.A. Texaco Petroleum Nv Corrosion-inhibited antifreeze/coolant composition
GB8922504D0 (en) * 1989-10-05 1989-11-22 Interox Chemicals Ltd Hydrogen peroxide solutions
JP2772578B2 (ja) * 1990-06-29 1998-07-02 シーシーアイ株式会社 不凍液
US5085791A (en) 1990-10-01 1992-02-04 Texaco Chemical Company Corrosion-inhibited antifreeze/coolant composition containing cyclohexane acid(s)
JPH0820763A (ja) * 1994-07-06 1996-01-23 Seiken Kagaku Kogyo Kk 非アミン系不凍液
JPH0885782A (ja) * 1994-09-16 1996-04-02 Nippon Chem Kogyo Kk 不凍液組成物
JP3845702B2 (ja) * 1997-03-11 2006-11-15 シーシーアイ株式会社 不凍液／冷却液組成物

Also Published As

Publication number Publication date
CN1323361A (zh) 2001-11-21
CA2347431A1 (en) 2000-04-20
BG105466A (en) 2001-11-30
US6676848B2 (en) 2004-01-13
EP0995785A1 (en) 2000-04-26
KR20010080099A (ko) 2001-08-22
DE69905072T2 (de) 2003-11-06
CN1170005C (zh) 2004-10-06
AU5880699A (en) 2000-05-01
EP1133585A1 (en) 2001-09-19
RU2227175C2 (ru) 2004-04-20
EP1133585B1 (en) 2003-01-22
US6398984B1 (en) 2002-06-04
BR9914413A (pt) 2001-06-26
CZ301124B6 (cs) 2009-11-11
KR100626888B1 (ko) 2006-09-20
CA2347431C (en) 2007-09-04
PL192405B1 (pl) 2006-10-31
ATE231566T1 (de) 2003-02-15
US20020053655A1 (en) 2002-05-09
JP4386586B2 (ja) 2009-12-16
PL347173A1 (en) 2002-03-25
CZ20011220A3 (cs) 2001-12-12
BG65318B1 (bg) 2008-01-31
WO2000022189A1 (en) 2000-04-20
ES2191459T3 (es) 2003-09-01
PT1133585E (pt) 2003-06-30
SI1133585T1 (en) 2003-06-30
JP2002527619A (ja) 2002-08-27
AU754798B2 (en) 2002-11-28
TR200101075T2 (tr) 2001-09-21
DE69905072D1 (de) 2003-02-27

Similar Documents

Publication Publication Date Title
BR9914413B1 (pt) inibidor de corrosão para proteção de metais leves em fluido de transferência de calor e em refrigerante de motor, refrigerante, fluido de transferência de calor e processo para inibir a corrosão localizada.
RU2001110066A (ru) Ингибиторы коррозии и сочетания ингибиторов с синергическим эффектом для защиты легких металлов в жидких теплоносителях и охлаждающих жидкостях двигателей
BR9202784A (pt) Evaporador para refrigerante,processo de resfriar corrente de fluido,e permutador de calor
BR9602080A (pt) Composição anti-congelante fluido aquoso de transferência de calor e processo para o tratamento de um fluido aquoso
ES528394A0 (es) Procedimiento para el tratamiento contra la corrosion de metales y aleaciones.
TR200201931T2 (tr) Isı transferi akışkanlarında donma noktası düşürücü ve paslanma engelleyici olarak kullanmak için sinerjistik karboksilat birleşimleri.
EP1170348A3 (en) An engine coolant composition and a method of reducing corrosion
WO2004038193A3 (en) Method for cooling high temperature engines
JP2958690B2 (ja) 冷却不凍液組成物
DK138387D0 (da) Korrosionshaemmende varmeoverfoeringsmiddel
WO2006071996A3 (en) Corrosion inhibitors
JPS60240778A (ja) 自動車エンジン用不凍液
BR0008178A (pt) Preparação de ácidos aminocarboxìlicos por oxidação de álcoois de amino primários
RU94039660A (ru) Теплоноситель для нагрева и охлаждения тепловых систем
MY146090A (en) Corrosion inhibitors
RU94000614A (ru) Смазочно-охлаждающая жидкость для механической обработки металлов
JPS6050189A (ja) 金属防食性不凍液
JPS60129600A (ja) 自動車用熱交換器
JPWO2005054398A1 (ja) 冷却液組成物
JPS5611982A (en) Antifreeze having corrosion inhibitory action on metal
JPS60163984A (ja) 不凍液
RU93028417A (ru) Ингибитор коррозии для антифризов
CS261986B1 (cs) TépTosměnná kapalina s antikorozním účinkemna bázi vodou ředitelných alkoholů
RU94002750A (ru) Способ производства сварных изделий
PL175497B1 (pl) Koncentrat cieczy do obróbki metali skrawaniem

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/10/1999, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 13A ANUIDADE(S), CONFORME ART.87 DA LPI 9.279.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2259 DE 22/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 13A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.