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BR8701331A - COMPOSITION TO INHIBIT CORROSION IN INDUSTRIAL COOLING WATERS AND PROCESS TO IMPROVE THE PERFORMANCE OF PHOSPHONATE CORROSION INHIBITORS IN WATER SYSTEMS - Google Patents

COMPOSITION TO INHIBIT CORROSION IN INDUSTRIAL COOLING WATERS AND PROCESS TO IMPROVE THE PERFORMANCE OF PHOSPHONATE CORROSION INHIBITORS IN WATER SYSTEMS

Info

Publication number
BR8701331A
BR8701331A BR8701331A BR8701331A BR8701331A BR 8701331 A BR8701331 A BR 8701331A BR 8701331 A BR8701331 A BR 8701331A BR 8701331 A BR8701331 A BR 8701331A BR 8701331 A BR8701331 A BR 8701331A
Authority
BR
Brazil
Prior art keywords
composition
performance
improve
corrosion
cooling waters
Prior art date
Application number
BR8701331A
Other languages
Portuguese (pt)
Inventor
John E Hoots
Donald A Johnson
Original Assignee
Nalco Chemical 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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BR8701331A publication Critical patent/BR8701331A/en

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
    • C23F11/08—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Magnetic Heads (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

A composition and the use of the composition for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a water-soluble organic phosphonate capable of inhibiting corrosion in an aqueous alkaline environment and a co- or terpolymer of acrylic acid and certain substituted acrylamides such as t-butyl acrylamide.
BR8701331A 1986-03-26 1987-03-24 COMPOSITION TO INHIBIT CORROSION IN INDUSTRIAL COOLING WATERS AND PROCESS TO IMPROVE THE PERFORMANCE OF PHOSPHONATE CORROSION INHIBITORS IN WATER SYSTEMS BR8701331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84441586A 1986-03-26 1986-03-26

Publications (1)

Publication Number Publication Date
BR8701331A true BR8701331A (en) 1988-01-05

Family

ID=25292665

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8701331A BR8701331A (en) 1986-03-26 1987-03-24 COMPOSITION TO INHIBIT CORROSION IN INDUSTRIAL COOLING WATERS AND PROCESS TO IMPROVE THE PERFORMANCE OF PHOSPHONATE CORROSION INHIBITORS IN WATER SYSTEMS

Country Status (16)

Country Link
EP (1) EP0238728B1 (en)
JP (1) JPS62270786A (en)
CN (1) CN1019989C (en)
AT (1) ATE56051T1 (en)
AU (1) AU593082B2 (en)
BR (1) BR8701331A (en)
CA (1) CA1329474C (en)
DE (1) DE3673809D1 (en)
DK (1) DK169709B1 (en)
ES (1) ES2016796B3 (en)
FI (1) FI871242A7 (en)
GR (1) GR3001105T3 (en)
MX (1) MX173411B (en)
PT (1) PT84551B (en)
TR (1) TR24741A (en)
ZA (1) ZA872236B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717542A (en) * 1987-01-23 1988-01-05 W. R. Grace & Co. Inhibiting corrosion of iron base metals
WO1989007633A1 (en) * 1988-02-18 1989-08-24 John Kenneth Bethune Absorbent polymer compositions
CN1034738C (en) * 1993-03-27 1997-04-30 云浮硫铁矿企业集团公司 A protectant composition
GB9505675D0 (en) * 1995-03-21 1995-05-10 Diversey Corp Cleaning compositions
WO2006096477A1 (en) * 2005-03-04 2006-09-14 The Procter & Gamble Company Automatic dishwashing composition with corrosion inhibitors
CN101368091B (en) * 2007-08-16 2012-01-11 中国石油天然气集团公司 Oil well cement retarder
CN101560022B (en) * 2009-05-26 2011-05-11 西安协力动力科技有限公司 Compound corrosion and scale inhibitor
US11085118B2 (en) 2016-04-14 2021-08-10 Nch Corporation Composition and method for inhibiting corrosion and scale
US10351453B2 (en) 2016-04-14 2019-07-16 Nch Corporation Composition and method for inhibiting corrosion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1208827A (en) * 1968-02-23 1970-10-14 Grace W R & Co Composition and process for inhibiting scaling and/or corrosion in cooling water systems and for stabilizing phosphate solutions
DE2333353C2 (en) * 1973-06-30 1983-05-19 Bayer Ag, 5090 Leverkusen Process for preventing corrosion in water-bearing systems and anti-corrosion agents for carrying out the process
US4317744A (en) * 1979-04-25 1982-03-02 Drew Chemical Corporation Corrosion inhibitor
GB2124607B (en) * 1982-07-16 1986-02-05 Katayama Chemical Works Co Scale-inhibiting agent
US4566973A (en) * 1984-08-06 1986-01-28 The B. F. Goodrich Company Scale inhibition in water systems
GB2168359B (en) * 1984-11-08 1988-05-05 Grace W R & Co A method of inhibiting corrosion in aqueous systems
US4650591A (en) * 1985-08-29 1987-03-17 Calgon Corporation Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors
US4752443A (en) * 1986-05-09 1988-06-21 Nalco Chemical Company Cooling water corrosion inhibition method

Also Published As

Publication number Publication date
AU593082B2 (en) 1990-02-01
MX5678A (en) 1993-09-01
DE3673809D1 (en) 1990-10-04
PT84551A (en) 1987-04-01
ZA872236B (en) 1987-11-25
ATE56051T1 (en) 1990-09-15
FI871242A0 (en) 1987-03-20
EP0238728B1 (en) 1990-08-29
JPS62270786A (en) 1987-11-25
JPH0146593B2 (en) 1989-10-09
GR3001105T3 (en) 1992-05-12
CA1329474C (en) 1994-05-17
FI871242A7 (en) 1987-09-27
EP0238728A1 (en) 1987-09-30
AU7063287A (en) 1987-10-01
ES2016796B3 (en) 1990-12-01
DK150787A (en) 1987-09-27
PT84551B (en) 1989-11-10
MX173411B (en) 1994-03-02
CN87102313A (en) 1988-02-24
DK150787D0 (en) 1987-03-25
CN1019989C (en) 1993-03-03
TR24741A (en) 1992-03-06
DK169709B1 (en) 1995-01-16

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
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. 6 C23F 11/173 E C23F 11/167

FG9A Patent or certificate of addition granted
B25D Requested change of name of applicant approved

Owner name: ONDEO NALCO COMPANY (US)

Free format text: ALTERADO DE: NALCO CHEMICAL COMPANY

B25G Requested change of headquarter approved

Owner name: ONDEO NALCO COMPANY (US)

Free format text: ALTERADA A SEDE DO TITULAR CONFORME REQUERIDO NA PETICAO NO 057678/RJ DE 02/12/2004.

B25D Requested change of name of applicant approved

Owner name: NALCO COMPANY (US)

Free format text: ALTERADO DE: ONDEO NALCO COMPANY

B25G Requested change of headquarter approved

Owner name: NALCO COMPANY (US)

Free format text: ALTERADA A SEDE DO TITULAR CONFORME REQUERIDO NA PETICAO NO 057678/RJ DE 02/12/2004.

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

Free format text: PATENTE EXTINTA EM 29/06/2009