BR9401133A - Composição para inibir corrosão em concreto armado e processo para aplicar o mesmo - Google Patents

Composição para inibir corrosão em concreto armado e processo para aplicar o mesmo

Info

Publication number
BR9401133A
BR9401133A BR9401133A BR9401133A BR9401133A BR 9401133 A BR9401133 A BR 9401133A BR 9401133 A BR9401133 A BR 9401133A BR 9401133 A BR9401133 A BR 9401133A BR 9401133 A BR9401133 A BR 9401133A
Authority
BR
Brazil
Prior art keywords
apply
composition
same
reinforced concrete
corrosion
Prior art date
Application number
BR9401133A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert J Hoopes
Paul G Tourney
Neal S Berke
Ahmad Arfaei
Original Assignee
Grace W R & Co
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 by Grace W R & Co filed Critical Grace W R & Co
Publication of BR9401133A publication Critical patent/BR9401133A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5007—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with salts or salty compositions, e.g. for salt glazing
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/65—Coating or impregnation with inorganic materials
    • 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
    • C23F11/18—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 inorganic inhibitors
    • C23F11/181—Nitrogen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/26—Corrosion of reinforcement resistance
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/72—Repairing or restoring existing buildings or building materials
    • C04B2111/723—Repairing reinforced concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Structural Engineering (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Paints Or Removers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
BR9401133A 1993-03-12 1994-03-11 Composição para inibir corrosão em concreto armado e processo para aplicar o mesmo BR9401133A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/030,749 US5422141A (en) 1993-03-12 1993-03-12 Corrosion inhibiting composition for reinforced concrete and method of applying same

Publications (1)

Publication Number Publication Date
BR9401133A true BR9401133A (pt) 1994-12-27

Family

ID=21855826

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9401133A BR9401133A (pt) 1993-03-12 1994-03-11 Composição para inibir corrosão em concreto armado e processo para aplicar o mesmo

Country Status (19)

Country Link
US (1) US5422141A (enExample)
EP (1) EP0614860B1 (enExample)
JP (1) JP3782472B2 (enExample)
KR (1) KR940021698A (enExample)
CN (1) CN1042831C (enExample)
AT (1) ATE181907T1 (enExample)
AU (1) AU673408B2 (enExample)
BR (1) BR9401133A (enExample)
CA (1) CA2118827A1 (enExample)
DE (1) DE69419330T2 (enExample)
DK (1) DK0614860T3 (enExample)
ES (1) ES2134316T3 (enExample)
FI (1) FI941179L (enExample)
NO (1) NO940879L (enExample)
NZ (1) NZ260075A (enExample)
PH (1) PH30176A (enExample)
SG (1) SG45239A1 (enExample)
TW (1) TW312687B (enExample)
ZA (1) ZA941737B (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9126899D0 (en) * 1991-12-19 1992-02-19 Aston Material Services Ltd Improvements in and relating to treatments for concrete
FR2729694B1 (fr) * 1995-01-24 1997-04-04 Guerin Richard Procede de regeneration et de protection du beton
US5750053A (en) * 1995-01-24 1998-05-12 Cortec Corporation Corrosion inhibitor for reducing corrosion in metallic concrete reinforcements
US5527388A (en) * 1995-01-25 1996-06-18 W. R. Grace & Co.-Conn. Corrosion inhibiting formulations with calcium nitrite
US5634966A (en) * 1995-07-19 1997-06-03 W.R. Grace & Co.-Conn. Nitrite-based corrosion inhibitors with improved anodic and cathodic inhibiting performance
US6174461B1 (en) 1998-02-27 2001-01-16 Cortec Corporation Concrete sealers with migrating corrosion inhibitors
DK0957071T3 (da) 1998-05-13 2004-07-26 Sika Schweiz Ag Fremgangsmåde til rehabiliterende og/eller beskyttende korrosionshæmning af armeringsstål, som er indstöbt i en hærdet betonkonstruktion, ved hjælp af overfladepåförte korrosionshæmmende sammensætninger
AUPP970099A0 (en) * 1999-04-09 1999-05-06 James Hardie International Finance B.V. Concrete formulation
US6340438B1 (en) 1999-04-19 2002-01-22 Tomahawk, Inc. Corrosion inhibiting admixture for concrete
AUPQ457099A0 (en) * 1999-12-10 2000-01-13 James Hardie Research Pty Limited Lightweight wall construction
KR100415168B1 (ko) * 2000-12-19 2004-01-14 이한승 방청성이 있는 복합 알칼리 회복제를 사용한 철근 부식보수 및 억제방법
US6764615B2 (en) * 2001-05-21 2004-07-20 Cortec Corporation Migrating corrosion inhibitor fibers
US6544589B2 (en) 2001-08-20 2003-04-08 Northrop Grumman Corporation Method of controlling drying stresses by restricting shrinkage of ceramic coating
US6755925B1 (en) * 2001-11-13 2004-06-29 352 East Irvin Avenue Limited Partnership Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures
US6810634B1 (en) 2001-11-13 2004-11-02 352 E. Irvin Ave. Limited Partnership Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures
US6610138B1 (en) * 2001-11-13 2003-08-26 Paul W. Brown Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures
KR100486485B1 (ko) * 2001-12-27 2005-05-03 남택권 부식억제 배합물 및 이를 제조하는 방법
KR100502279B1 (ko) * 2002-12-02 2005-07-22 (주)세라켐 철근 방청용 분말형 코팅제 제조방법 및 그 코팅제
US7141118B2 (en) * 2003-06-20 2006-11-28 Patent Tech, Llc Apparatus and method for treating and impregnating porous structures
US7361801B1 (en) 2003-08-27 2008-04-22 352 East Irvin Avenue Limited Partnership Methods for immobilization of nitrate and nitrite in aqueous waste
EP1794390A1 (en) * 2004-08-25 2007-06-13 Service Techno Science Inc. Method for treating the internal surfaces of industrial buildings
US7125441B1 (en) 2005-02-17 2006-10-24 Cortec Corporation Corrosion inhibiting materials for reducing corrosion in metallic concrete reinforcements
US20070000437A1 (en) * 2005-06-30 2007-01-04 Young Edward E Jr Porous structure treatment system
JP4982391B2 (ja) * 2008-01-10 2012-07-25 中国電力株式会社 土壌中に埋設される鋼材の診断方法
WO2011091862A1 (fr) 2010-02-01 2011-08-04 Pmd-Ateav Systems Sprl Procede et systeme d'injection de liquide dans un materiau poreux
US8912244B2 (en) 2012-03-09 2014-12-16 Protocol Environmental Solutions Inc. Non-film forming compositions and methods of protecting cured concrete and cementitious materials
CN102605683A (zh) * 2012-04-01 2012-07-25 中国铁道科学研究院铁道建筑研究所 一种整体绝缘混凝土轨道板及其制备技术
US10584073B2 (en) * 2012-08-29 2020-03-10 Protocol Environmental Solutions Inc. Gypsum remover
US9677031B2 (en) 2014-06-20 2017-06-13 Ecolab Usa Inc. Catalyzed non-staining high alkaline CIP cleaner
CN105084935B (zh) * 2015-08-25 2017-05-31 宁波大学 亚硝酸盐溶液在钢筋混凝土表面涂刷阻锈方法
CN105130238A (zh) * 2015-08-25 2015-12-09 宁波大学 亚硝酸锂砂浆在钢筋混凝土表面涂抹阻锈方法
CA3015272A1 (en) 2016-03-16 2017-09-21 Construction Research & Technology Gmbh Surface applied corrosion inhibitor
EP3718988A1 (en) * 2019-04-03 2020-10-07 Yara International ASA Corrosion inhibition of metal reinforcement present in a hardened concrete construction having one or more surfaces that are exposed to chloride intrusion
CN115536306B (zh) * 2022-10-21 2023-07-25 南京腾恒新材料有限公司 一种防腐混凝土添加剂及其制备方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE221453C (enExample) *
DE86074C (enExample) * 1895-04-30 1896-04-09
US3616284A (en) * 1968-08-21 1971-10-26 Bell Telephone Labor Inc Processing arrays of junction devices
CH590796A5 (enExample) * 1972-01-05 1977-08-31 Epitoevegyianyagokat Gyarto
JPS5224529B2 (enExample) * 1973-06-15 1977-07-01
US4026723A (en) * 1975-10-30 1977-05-31 Arcal Chemicals, Inc. Admixture of alkali-metal nitrate with water-soluble condensate of sulfonated aromatic hydrocarbon and aliphatic aldehyde
US4092109A (en) * 1976-06-28 1978-05-30 W. R. Grace & Co. Method for corrosion inhibition of reinforced bridge structures
JPS5432145A (en) * 1977-08-16 1979-03-09 Kurita Water Ind Ltd Corrosion inhibitor for iron reinforcing rod
US4153464A (en) * 1977-09-12 1979-05-08 Emery Industries, Inc. Prevention of water staining of aluminum
JPS6046057B2 (ja) * 1977-11-22 1985-10-14 株式会社トクヤマ モルタルまたはコンクリ−ト用防錆剤
US4166151A (en) * 1978-01-26 1979-08-28 The Lubrizol Corporation Novel corrosion-inhibiting ester compositions
US4398959A (en) * 1981-04-15 1983-08-16 W. R. Grace & Co. Mortar topping with calcium nitrite
JPS60204683A (ja) * 1984-03-29 1985-10-16 株式会社小野田 無機質材中の鋼材を防錆する方法
JPS60231478A (ja) * 1984-04-27 1985-11-18 株式会社小野田 無機質材中の鋼材を防錆する方法
JPS624887A (ja) * 1985-06-28 1987-01-10 Sumitomo Metal Mining Co Ltd 水蒸気養生軽量気泡コンクリ−ト補強筋用防錆剤
JP2508101B2 (ja) * 1987-06-25 1996-06-19 日産化学工業株式会社 コンクリ−ト用混和剤
JP2701305B2 (ja) * 1988-04-05 1998-01-21 日産化学工業株式会社 安定な高濃度亜硝酸カルシウム水溶液
JP2909739B2 (ja) * 1988-05-26 1999-06-23 株式会社小野田 コンクリート中の鋼材を防錆する方法
JP2847749B2 (ja) * 1989-05-18 1999-01-20 日産化学工業株式会社 セメント系硬化物の劣化防止方法
FR2655060A1 (fr) * 1989-11-28 1991-05-31 Allstars Sah Procede et compositions pour l'amelioration de la resistance a la corosion de metaux et d'alliages.
JPH0437672A (ja) * 1990-05-29 1992-02-07 Mitsui Constr Co Ltd コンクリート等の無機質材中の金属材の防錆方法
JPH0483889A (ja) * 1990-07-27 1992-03-17 Nippon Dakuro Shamrock:Kk 防食被覆組成物
JP2948286B2 (ja) * 1990-08-24 1999-09-13 キヤノン株式会社 インクジェット用インク及びそれを用いたインクジェット記録方法
US5039556A (en) * 1990-12-03 1991-08-13 W. R. Grace & Co.-Conn. Treating concrete structures to inhibit corrosion by heating the structure, cooling same under controlled temperature gradient, and applying an inhibiting agent to an internal portion of the structure
US5092923A (en) * 1990-12-07 1992-03-03 Center For Innovative Technology Composition and method for combatting chloride-induced corrosion in steel in reinforced concrete
US5246495A (en) * 1992-03-05 1993-09-21 Loc Systems, Ltd. (Lp) Material for improving the strength of cementitious material

Also Published As

Publication number Publication date
PH30176A (en) 1997-01-21
ZA941737B (en) 1994-10-24
NO940879L (no) 1994-09-13
FI941179A7 (fi) 1994-09-13
KR940021698A (ko) 1994-10-19
CN1042831C (zh) 1999-04-07
NZ260075A (en) 1996-05-28
JPH07315961A (ja) 1995-12-05
SG45239A1 (en) 1998-01-16
AU673408B2 (en) 1996-11-07
CA2118827A1 (en) 1994-09-13
CN1098352A (zh) 1995-02-08
JP3782472B2 (ja) 2006-06-07
ES2134316T3 (es) 1999-10-01
EP0614860A1 (en) 1994-09-14
FI941179A0 (fi) 1994-03-11
FI941179L (fi) 1994-09-13
DE69419330T2 (de) 1999-11-11
EP0614860B1 (en) 1999-07-07
DK0614860T3 (da) 1999-11-22
NO940879D0 (no) 1994-03-11
ATE181907T1 (de) 1999-07-15
US5422141A (en) 1995-06-06
AU5777794A (en) 1994-09-15
DE69419330D1 (de) 1999-08-12
TW312687B (enExample) 1997-08-11

Similar Documents

Publication Publication Date Title
BR9401133A (pt) Composição para inibir corrosão em concreto armado e processo para aplicar o mesmo
FI942936A0 (fi) Parannuksia betonin käsittelyyn
KR890702211A (ko) 원자로의 냉각회로 구성요소표면의 오염을 제거하는 방법
ES2149543T3 (es) Composiciones para eliminar incrustaciones de cal.
NO863612L (no) Fosfatopploesninger og deres bruk som bindemidler.
BR8505902A (pt) Aglomerado de bentonita-sulfato de sodio,amaciante de tecido,composicao detergente em particulas,amaciante de tecidos,e processo para a fabricacao de particulas de aglomerado de bentonita-sulfato de sodio,amaciantes de tecidos
BR9408510A (pt) Composiçao e processo para reduzir our evitar a formaçao de contaminantes em drenagens oriundas de resíduos e refugos de pedra
KR850008506A (ko) 금속 표면의 오염 제거 방법
BR7901923A (pt) Composicao de materia,composicoes inibidoras de corrosao,processo para estabilizacao de silicatos soluveis,e processo para inibicao de corrosao de metal em um meio aquoso
KR860000670A (ko) 금속 표면의 오염 제거방법
DE59303027D1 (de) Verwendung von reinigungsmitteln für harte oberflächen, insbesondere glas
BR9001482A (pt) Reagente quimico granular,composicao detergente granular,processo para preparar tal reagente,e processo para atrasar a liberacao,para dentro de uma solucao aquosa,de um reagente quimico usado em uma composicao detergente
JPS5544355A (en) Hardening method for organic sludge
BR9405941A (pt) Uso de um agente de ligação para ions de metal de transição processo para melhorar a estabilidade térmica de um peróxi-ácido orgânico e composição
JPS54113956A (en) Granular agent for disposing of waste water
BR7805732A (pt) Processo para inibir corrosao e deposicao de crosta e residuos em superficies de sistemas aquosos e o composto utilizado
ES2059847T3 (es) Prerrevestimientos de sales solubles en agua para estirado de alambres.
KR960703346A (ko) 사용한 부동액 조성물로부터 증류에 의해 글리콜을 회수하는 방법(distillative method of recovering glycols from used antifreeze agents)
JPS5684785A (en) Preventing method of mud viscosity decrease with time
KR880000622A (ko) 스테인레스강(鋼)용 스케일 제거 및 부동태화처리제 조성물
Cepero et al. Steel Corrosion Inhibitors in H sub 3 PO sub 4 Solutions. I
BR7804501A (pt) Composicao inibidora de incrustacao e de corrosao,e processo para inibir simultaneamente corrosao e incrustacao
BR8102444A (pt) Catalisador reativo para compsicoes liquidas para revestimento, composicao termorrigida para revestimento e processo para formar o catalisador reativo
JPS5369231A (en) Method of surface treatment of steel resisting sulfuric acid
JPS55110182A (en) Soil-treating agent

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

Free format text: INT. CL. 7 C04B 41/50

FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 11/03/2014