NL171885C - Werkwijze voor het verhinderen of belemmeren van het ontstaan van neerslagen en van afzettingen op wanden door hardheidsvormers en/of door gesuspendeerde vaste deeltjes in water, dat langs wanden stroomt. - Google Patents

Werkwijze voor het verhinderen of belemmeren van het ontstaan van neerslagen en van afzettingen op wanden door hardheidsvormers en/of door gesuspendeerde vaste deeltjes in water, dat langs wanden stroomt.

Info

Publication number
NL171885C
NL171885C NLAANVRAGE7605282,A NL7605282A NL171885C NL 171885 C NL171885 C NL 171885C NL 7605282 A NL7605282 A NL 7605282A NL 171885 C NL171885 C NL 171885C
Authority
NL
Netherlands
Prior art keywords
preventing
walls
precipitates
deposits
appearance
Prior art date
Application number
NLAANVRAGE7605282,A
Other languages
English (en)
Other versions
NL7605282A (nl
NL171885B (nl
Original Assignee
Betz Europ 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.)
Filing date
Publication date
Application filed by Betz Europ Inc filed Critical Betz Europ Inc
Publication of NL7605282A publication Critical patent/NL7605282A/nl
Publication of NL171885B publication Critical patent/NL171885B/nl
Application granted granted Critical
Publication of NL171885C publication Critical patent/NL171885C/nl

Links

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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7605282,A 1975-11-17 1976-05-18 Werkwijze voor het verhinderen of belemmeren van het ontstaan van neerslagen en van afzettingen op wanden door hardheidsvormers en/of door gesuspendeerde vaste deeltjes in water, dat langs wanden stroomt. NL171885C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/632,549 US4029577A (en) 1975-11-17 1975-11-17 Polymers for use in water treatment

Publications (3)

Publication Number Publication Date
NL7605282A NL7605282A (nl) 1977-05-20
NL171885B NL171885B (nl) 1983-01-03
NL171885C true NL171885C (nl) 1983-06-01

Family

ID=24535953

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7605282,A NL171885C (nl) 1975-11-17 1976-05-18 Werkwijze voor het verhinderen of belemmeren van het ontstaan van neerslagen en van afzettingen op wanden door hardheidsvormers en/of door gesuspendeerde vaste deeltjes in water, dat langs wanden stroomt.

Country Status (8)

Country Link
US (1) US4029577A (nl)
BE (1) BE847963A (nl)
CA (1) CA1079604A (nl)
FR (1) FR2331520A1 (nl)
GB (1) GB1524608A (nl)
HK (1) HK39781A (nl)
IT (1) IT1061572B (nl)
NL (1) NL171885C (nl)

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Also Published As

Publication number Publication date
US4029577A (en) 1977-06-14
BE847963A (fr) 1977-03-01
CA1079604A (en) 1980-06-17
GB1524608A (en) 1978-09-13
FR2331520B3 (nl) 1979-07-27
IT1061572B (it) 1983-04-30
NL7605282A (nl) 1977-05-20
NL171885B (nl) 1983-01-03
HK39781A (en) 1981-08-14
FR2331520A1 (fr) 1977-06-10

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: BETZ EUROPE, INC.

V1 Lapsed because of non-payment of the annual fee

Effective date: 19951201