SE8703142L - Forfarande for passivisering av jernhaltiga ytor i hogtryckskokare - Google Patents

Forfarande for passivisering av jernhaltiga ytor i hogtryckskokare

Info

Publication number: SE8703142L
Authority: SE; Sweden
Prior art keywords: ironal; passivizing; procedure; high pressure; pressure cookers
Prior art date: 1986-08-15

Application number

SE8703142A

Other languages

Unknown language ( )

English (en)

Other versions

SE8703142D0 (sv

Inventor

R S Robinson

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.)

1986-08-15

Filing date

1987-08-13

Publication date

1988-02-16

1987-08-13 Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co

1987-08-13 Publication of SE8703142D0 publication Critical patent/SE8703142D0/sv

1988-02-16 Publication of SE8703142L publication Critical patent/SE8703142L/sv

Links

CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
229910000831 Steel Inorganic materials 0.000 abstract 1
230000015572 biosynthetic process Effects 0.000 abstract 1
230000008021 deposition Effects 0.000 abstract 1
229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
239000011707 mineral Substances 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1
230000001681 protective effect Effects 0.000 abstract 1
239000010959 steel Substances 0.000 abstract 1
NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 abstract 1

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
- C23F11/173—Macromolecular compounds
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Hydrology & Water Resources (AREA)
Life Sciences & Earth Sciences (AREA)
General Chemical & Material Sciences (AREA)
Water Supply & Treatment (AREA)
Chemical Kinetics & Catalysis (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
Chemical Treatment Of Metals (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

SE8703142A 1986-08-15 1987-08-13 Forfarande for passivisering av jernhaltiga ytor i hogtryckskokare SE8703142L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/896,790 US4719082A (en)	1986-08-15	1986-08-15	Vinyl sulfonic acid - methacrylic acid copolymer passivators for high pressure boilers

Publications (2)

Publication Number	Publication Date
SE8703142D0 SE8703142D0 (sv)	1987-08-13
SE8703142L true SE8703142L (sv)	1988-02-16

Family

ID=25406844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8703142A SE8703142L (sv)	1986-08-15	1987-08-13	Forfarande for passivisering av jernhaltiga ytor i hogtryckskokare

Country Status (9)

Country	Link
US (1)	US4719082A (sv)
JP (1)	JPS6350485A (sv)
AU (1)	AU588205B2 (sv)
ES (1)	ES2004955A6 (sv)
FR (1)	FR2602799A1 (sv)
IT (1)	IT1211708B (sv)
NZ (1)	NZ221192A (sv)
PT (1)	PT85495B (sv)
SE (1)	SE8703142L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2236314A (en) *	1989-09-06	1991-04-03	Grace W R & Co	Inhibition of deposition in aqueous systems.
FR2723750B1 (fr) *	1994-08-04	1996-10-25	Concorde Chimie France	Composition inhibitrice d'entartrage et de corrosion pour proteger les surfaces en contact avec de l'eau et procede de preparation de ladite composition.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3879288A (en) *	1970-07-01	1975-04-22	Frederick Herman Siegele	Process of inhibiting scale formation on walls of structures containing an aqueous system
US3682224A (en) *	1970-12-17	1972-08-08	Merrill Bleyle	Scale prevention agents of methacrylic acid-vinyl sulfonate copolymers for saline water evaporation
GB2054548B (en) *	1979-06-19	1982-12-22	Sanyo Chemical Ind Ltd	Scale removal
US4387027A (en) *	1981-10-09	1983-06-07	Betz Laboratories, Inc.	Control of iron induced fouling in water systems
US4457847B2 (en) *	1981-11-05	1996-12-31	Nalco Chemical Co	Carboxylate polymers for internal scale control agents in boiler systems
AU555892B2 (en) *	1981-11-05	1986-10-16	Nalco Chemical Company	Carboxylate polymers for internal scale control agents in boiler systems
EP0122013B1 (en) *	1983-03-07	1988-12-21	Calgon Corporation	Polymeric additives for water
CA1234033A (en) *	1983-10-26	1988-03-15	Fu Chen	Water treatment polymers and methods of use thereof
US4604211A (en) *	1985-01-29	1986-08-05	Nalco Chemical Company	Acrylic acid-sodium vinylsulfonate-vinyl acetate terpolymer and use thereof as a dispersant

1986
- 1986-08-15 US US06/896,790 patent/US4719082A/en not_active Expired - Lifetime
1987
- 1987-07-22 AU AU76011/87A patent/AU588205B2/en not_active Expired - Fee Related
- 1987-07-24 NZ NZ221192A patent/NZ221192A/xx unknown
- 1987-07-27 JP JP62185641A patent/JPS6350485A/ja active Pending
- 1987-07-28 ES ES8702208A patent/ES2004955A6/es not_active Expired
- 1987-08-06 PT PT85495A patent/PT85495B/pt not_active IP Right Cessation
- 1987-08-10 IT IT8748290A patent/IT1211708B/it active
- 1987-08-11 FR FR8711417A patent/FR2602799A1/fr active Pending
- 1987-08-13 SE SE8703142A patent/SE8703142L/sv not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPS6350485A (ja)	1988-03-03
AU7601187A (en)	1988-02-18
IT8748290A0 (it)	1987-08-10
ES2004955A6 (es)	1989-02-16
IT1211708B (it)	1989-11-03
US4719082A (en)	1988-01-12
FR2602799A1 (fr)	1988-02-19
AU588205B2 (en)	1989-09-07
PT85495A (pt)	1988-08-17
SE8703142D0 (sv)	1987-08-13
NZ221192A (en)	1989-01-27
PT85495B (pt)	1993-07-30

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Legal Events

Date

Code

Title

Description

1995-02-28

NAV

Patent application has lapsed

Ref document number: 8703142-3

Effective date: 19890804