ATE155442T1 - Copolymere und ihre verwendung zum dispergieren von eisen - Google Patents

Copolymere und ihre verwendung zum dispergieren von eisen

Info

Publication number: ATE155442T1
Authority: AT; Austria
Prior art keywords: copolymers; dispersing iron; iron; dispersing; disperse
Prior art date: 1991-11-18

Application number

AT92250323T

Other languages

English (en)

Inventor

Chih Ming Hwa

John Arthur Kelly

Wun Ten Tai

Lai-Duien Grace Fan

Robert Paul Kreh

Brian Greaves

Original Assignee

Betzdearborn Inc

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.)

1991-11-18

Filing date

1992-11-09

Publication date

1997-08-15

1992-11-09 Application filed by Betzdearborn Inc filed Critical Betzdearborn Inc

1997-08-15 Application granted granted Critical

1997-08-15 Publication of ATE155442T1 publication Critical patent/ATE155442T1/de

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 6
229910052742 iron Inorganic materials 0.000 title abstract 3
229920001577 copolymer Polymers 0.000 title abstract 2
AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 abstract 1
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
150000003839 salts Chemical class 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- 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)
Environmental & Geological Engineering (AREA)
General Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Manufacture Of Iron (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Polymerisation Methods In General (AREA)

AT92250323T 1991-11-18 1992-11-09 Copolymere und ihre verwendung zum dispergieren von eisen ATE155442T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/793,760 US5183574A (en)	1991-11-18	1991-11-18	Method of dispersing iron

Publications (1)

Publication Number	Publication Date
ATE155442T1 true ATE155442T1 (de)	1997-08-15

Family

ID=25160727

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT92250323T ATE155442T1 (de)	1991-11-18	1992-11-09	Copolymere und ihre verwendung zum dispergieren von eisen

Country Status (8)

Country	Link
US (1)	US5183574A (de)
EP (1)	EP0543473B1 (de)
AT (1)	ATE155442T1 (de)
AU (1)	AU649343B2 (de)
CA (1)	CA2075243C (de)
DE (1)	DE69220893T2 (de)
ES (1)	ES2104819T3 (de)
ZA (1)	ZA925303B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5736405A (en) *	1996-03-21	1998-04-07	Nalco Chemical Company	Monitoring boiler internal treatment with fluorescent-tagged polymers
US5698250A (en)	1996-04-03	1997-12-16	Tenneco Packaging Inc.	Modifield atmosphere package for cut of raw meat
US5928560A (en)	1996-08-08	1999-07-27	Tenneco Packaging Inc.	Oxygen scavenger accelerator
US6395195B1 (en)	1996-08-08	2002-05-28	Pactiv Corporation	Oxygen scavenger accelerator
US6926846B1 (en)	1996-08-08	2005-08-09	Pactiv Corporation	Methods of using an oxygen scavenger
AUPO976797A0 (en)	1997-10-14	1997-11-06	Orica Australia Pty Ltd	Method and composition (III)
US20020028860A1 (en) *	1999-04-16	2002-03-07	E. Michael Kerr	Method of modifying rheology of slurries in mineral processing
CN115445782B (zh) *	2022-08-29	2024-12-20	江西省宜丰万国矿业有限公司	含贵金属的硫化铜矿与黄铁矿浮选分离药剂及其分离方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA614685A (en) *		1961-02-14	Tabachnick Howard	Method for preventing deposition of iron salts
US4048066A (en) *	1976-11-17	1977-09-13	Chemed Corporation	Method of inhibiting scale
US4374733A (en) *	1981-04-01	1983-02-22	Betz Laboratories, Inc.	Method for treating aqueous mediums
US4545920A (en) *	1982-05-28	1985-10-08	Nalco Chemical Company	Boiler water treating compositions
US4640793A (en) *	1984-02-14	1987-02-03	Calgon Corporation	Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4618448A (en) *	1984-11-09	1986-10-21	Calgon Corporation	Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control
US4680135A (en) *	1984-11-09	1987-07-14	Calgon Corporation	Carboxylic/sulfonic polymer and carboxylic/polyalkylene oxide polymer admixtures for use in iron oxide deposit control
US4952326A (en) *	1986-12-08	1990-08-28	The B. F. Goodrich Company	Dispersion of particulates in an aqueous medium
US4885097A (en) *	1986-12-08	1989-12-05	The B. F. Goodrich Company	Stabilization of metal ions with terpolymers containing styrene sulfonic acid
US4952327A (en) *	1986-12-08	1990-08-28	The B. F. Goodrich Company	Scale control with terpolymers containing styrene sulfonic acid
EP0271784B1 (de) *	1986-12-19	1993-05-26	National Starch and Chemical Investment Holding Corporation	Wasserlösliche Polymere, die Allyloxybenzensulfonat-Monomere enthalten
US4997571A (en) *	1990-01-05	1991-03-05	Mogul Corporation	Method of treating water

1991
- 1991-11-18 US US07/793,760 patent/US5183574A/en not_active Expired - Fee Related
1992
- 1992-07-15 AU AU20325/92A patent/AU649343B2/en not_active Ceased
- 1992-07-16 ZA ZA925303A patent/ZA925303B/xx unknown
- 1992-08-04 CA CA002075243A patent/CA2075243C/en not_active Expired - Fee Related
- 1992-11-09 ES ES92250323T patent/ES2104819T3/es not_active Expired - Lifetime
- 1992-11-09 AT AT92250323T patent/ATE155442T1/de not_active IP Right Cessation
- 1992-11-09 DE DE69220893T patent/DE69220893T2/de not_active Expired - Fee Related
- 1992-11-09 EP EP92250323A patent/EP0543473B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2075243A1 (en)	1993-05-19
CA2075243C (en)	2000-12-12
EP0543473B1 (de)	1997-07-16
DE69220893D1 (de)	1997-08-21
ZA925303B (en)	1993-05-18
AU2032592A (en)	1993-06-03
EP0543473A1 (de)	1993-05-26
ES2104819T3 (es)	1997-10-16
DE69220893T2 (de)	1998-01-15
US5183574A (en)	1993-02-02
AU649343B2 (en)	1994-05-19

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Legal Events

Date	Code	Title	Description
1998-01-15	UEP	Publication of translation of european patent specification
2002-08-15	REN	Ceased due to non-payment of the annual fee