IT1061304B - Copolimeri a base di stirene solfonato anidride maleica per reprimere la formazione e la deposizione di calcio fosfato in mezzi acquosi - Google Patents

Copolimeri a base di stirene solfonato anidride maleica per reprimere la formazione e la deposizione di calcio fosfato in mezzi acquosi

Info

Publication number: IT1061304B
Authority: IT; Italy
Prior art keywords: scale; systems; water soluble; soluble salts; anhydride copolymer
Prior art date: 1975-09-08

Application number

IT4959176A

Other languages

English (en)

Original Assignee

Betz Laboratories

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.)

1975-09-08

Filing date

1976-05-20

Publication date

1983-02-28

1976-05-20 Application filed by Betz Laboratories filed Critical Betz Laboratories

1983-02-28 Application granted granted Critical

1983-02-28 Publication of IT1061304B publication Critical patent/IT1061304B/it

Links

230000008021 deposition Effects 0.000 title abstract 3
230000015572 biosynthetic process Effects 0.000 title abstract 2
229920001577 copolymer Polymers 0.000 title abstract 2
150000003839 salts Chemical class 0.000 title abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
239000001506 calcium phosphate Substances 0.000 abstract 2
229910000389 calcium phosphate Inorganic materials 0.000 abstract 2
235000011010 calcium phosphates Nutrition 0.000 abstract 2
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
229910052791 calcium Inorganic materials 0.000 abstract 1
239000011575 calcium Substances 0.000 abstract 1
229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
235000010216 calcium carbonate Nutrition 0.000 abstract 1
235000011132 calcium sulphate Nutrition 0.000 abstract 1
239000001175 calcium sulphate Substances 0.000 abstract 1
239000003795 chemical substances by application Substances 0.000 abstract 1
235000013980 iron oxide Nutrition 0.000 abstract 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 abstract 1
GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical group [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 abstract 1
239000004137 magnesium phosphate Substances 0.000 abstract 1
229910000157 magnesium phosphate Inorganic materials 0.000 abstract 1
229960002261 magnesium phosphate Drugs 0.000 abstract 1
235000010994 magnesium phosphates Nutrition 0.000 abstract 1
239000000391 magnesium silicate Substances 0.000 abstract 1
235000012243 magnesium silicates Nutrition 0.000 abstract 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 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)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Detergent Compositions (AREA)

IT4959176A 1975-09-08 1976-05-20 Copolimeri a base di stirene solfonato anidride maleica per reprimere la formazione e la deposizione di calcio fosfato in mezzi acquosi IT1061304B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US61095275A	1975-09-08	1975-09-08

Publications (1)

Publication Number	Publication Date
IT1061304B true IT1061304B (it)	1983-02-28

Family

ID=24447057

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT4959176A IT1061304B (it)	1975-09-08	1976-05-20	Copolimeri a base di stirene solfonato anidride maleica per reprimere la formazione e la deposizione di calcio fosfato in mezzi acquosi

Country Status (2)

Country	Link
BE (1)	BE845937A (it)
IT (1)	IT1061304B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4255259A (en)	1979-09-18	1981-03-10	Chemed Corporation	Scale inhibition
US4306991A (en)	1979-09-18	1981-12-22	Chemed Corporation	Scale inhibition

1976
- 1976-05-20 IT IT4959176A patent/IT1061304B/it active
- 1976-09-08 BE BE170423A patent/BE845937A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
BE845937A (fr)	1976-12-31

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