BR8701331A - Composicao para inibir corrosao em aguas de resfriamento industriais e processo para melhorar o desempenho de inibidores de corrosao de fosofonato em sistemas aquosos - Google Patents

Composicao para inibir corrosao em aguas de resfriamento industriais e processo para melhorar o desempenho de inibidores de corrosao de fosofonato em sistemas aquosos

Info

Publication number: BR8701331A
Authority: BR; Brazil
Prior art keywords: composition; performance; improve; corrosion; cooling waters
Prior art date: 1986-03-26

Application number

BR8701331A

Other languages

English (en)

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.)

1986-03-26

Filing date

1987-03-24

Publication date

1988-01-05

1987-03-24 Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co

1988-01-05 Publication of BR8701331A publication Critical patent/BR8701331A/pt

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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Prevention Of Electric Corrosion (AREA)
Iron Core Of Rotating Electric Machines (AREA)

BR8701331A 1986-03-26 1987-03-24 Composicao para inibir corrosao em aguas de resfriamento industriais e processo para melhorar o desempenho de inibidores de corrosao de fosofonato em sistemas aquosos BR8701331A (pt)

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 (pt)	1988-01-05

Family

ID=25292665

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8701331A BR8701331A (pt)	1986-03-26	1987-03-24	Composicao para inibir corrosao em aguas de resfriamento industriais e processo para melhorar o desempenho de inibidores de corrosao de fosofonato em sistemas aquosos

Country Status (16)

Country	Link
EP (1)	EP0238728B1 (xx)
JP (1)	JPS62270786A (xx)
CN (1)	CN1019989C (xx)
AT (1)	ATE56051T1 (xx)
AU (1)	AU593082B2 (xx)
BR (1)	BR8701331A (xx)
CA (1)	CA1329474C (xx)
DE (1)	DE3673809D1 (xx)
DK (1)	DK169709B1 (xx)
ES (1)	ES2016796B3 (xx)
FI (1)	FI871242A (xx)
GR (1)	GR3001105T3 (xx)
MX (1)	MX173411B (xx)
PT (1)	PT84551B (xx)
TR (1)	TR24741A (xx)
ZA (1)	ZA872236B (xx)

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 (zh) *	1993-03-27	1997-04-30	云浮硫铁矿企业集团公司	一个防护剂组合物
GB9505675D0 (en) *	1995-03-21	1995-05-10	Diversey Corp	Cleaning compositions
CA2599940C (en) *	2005-03-04	2011-11-29	The Procter & Gamble Company	Automatic dishwashing composition with corrosion inhibitors
CN101368091B (zh) *	2007-08-16	2012-01-11	中国石油天然气集团公司	一种油井水泥缓凝剂
CN101560022B (zh) *	2009-05-26	2011-05-11	西安协力动力科技有限公司	复合缓蚀阻垢剂
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 (de) *	1973-06-30	1983-05-19	Bayer Ag, 5090 Leverkusen	Verfahren zur Verhinderung von Korrosion in wasserführenden Systemen und Korrosionsschutzmittel zur Durchführung des Verfahrens
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

1986
- 1986-12-30 ES ES86118127T patent/ES2016796B3/es not_active Expired - Lifetime
- 1986-12-30 DE DE8686118127T patent/DE3673809D1/de not_active Expired - Fee Related
- 1986-12-30 AT AT86118127T patent/ATE56051T1/de not_active IP Right Cessation
- 1986-12-30 EP EP86118127A patent/EP0238728B1/en not_active Expired - Lifetime
1987
- 1987-02-10 CA CA000529357A patent/CA1329474C/en not_active Expired - Fee Related
- 1987-03-20 JP JP62067764A patent/JPS62270786A/ja active Granted
- 1987-03-20 FI FI871242A patent/FI871242A/fi not_active Application Discontinuation
- 1987-03-24 PT PT84551A patent/PT84551B/pt not_active IP Right Cessation
- 1987-03-24 MX MX005678A patent/MX173411B/es unknown
- 1987-03-24 BR BR8701331A patent/BR8701331A/pt not_active IP Right Cessation
- 1987-03-24 TR TR87/0194A patent/TR24741A/xx unknown
- 1987-03-25 AU AU70632/87A patent/AU593082B2/en not_active Ceased
- 1987-03-25 CN CN87102313A patent/CN1019989C/zh not_active Expired - Fee Related
- 1987-03-25 DK DK150787A patent/DK169709B1/da not_active IP Right Cessation
- 1987-03-26 ZA ZA872236A patent/ZA872236B/xx unknown
1990
- 1990-11-26 GR GR90400963T patent/GR3001105T3/el unknown

Also Published As

Publication number	Publication date
AU593082B2 (en)	1990-02-01
DK150787A (da)	1987-09-27
DE3673809D1 (de)	1990-10-04
EP0238728A1 (en)	1987-09-30
DK169709B1 (da)	1995-01-16
JPS62270786A (ja)	1987-11-25
GR3001105T3 (en)	1992-05-12
ATE56051T1 (de)	1990-09-15
PT84551B (pt)	1989-11-10
JPH0146593B2 (xx)	1989-10-09
ES2016796B3 (es)	1990-12-01
MX5678A (es)	1993-09-01
TR24741A (tr)	1992-03-06
EP0238728B1 (en)	1990-08-29
CN87102313A (zh)	1988-02-24
CN1019989C (zh)	1993-03-03
MX173411B (es)	1994-03-02
PT84551A (en)	1987-04-01
FI871242A (fi)	1987-09-27
AU7063287A (en)	1987-10-01
DK150787D0 (da)	1987-03-25
ZA872236B (en)	1987-11-25
FI871242A0 (fi)	1987-03-20
CA1329474C (en)	1994-05-17

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Legal Events

Date	Code	Title	Description
1997-11-25	EG	Technical examination (opinion): publication of technical examination (opinion)
1998-08-04	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1998-12-22	FF	Decision: intention to grant
1998-12-22	HO	Change of classification	Free format text: INT. CL. 6 C23F 11/173 E C23F 11/167
1999-06-29	FG9A	Patent or certificate of addition granted
2005-11-29	B25D	Requested change of name of applicant approved	Owner name: ONDEO NALCO COMPANY (US) Free format text: ALTERADO DE: NALCO CHEMICAL COMPANY
2005-11-29	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.
2005-12-13	B25D	Requested change of name of applicant approved	Owner name: NALCO COMPANY (US) Free format text: ALTERADO DE: ONDEO NALCO COMPANY
2005-12-13	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.
2012-12-04	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 29/06/2009