BE835377A - Monophosphates d'hydroxyalkylurees et leur utilisation pour eliminer des sediments pierreux - Google Patents

Monophosphates d'hydroxyalkylurees et leur utilisation pour eliminer des sediments pierreux

Info

Publication number
BE835377A
BE835377A BE161701A BE161701A BE835377A BE 835377 A BE835377 A BE 835377A BE 161701 A BE161701 A BE 161701A BE 161701 A BE161701 A BE 161701A BE 835377 A BE835377 A BE 835377A
Authority
BE
Belgium
Prior art keywords
hydroxyalkyluride
monophosphates
remove stone
stone sediment
sediment
Prior art date
Application number
BE161701A
Other languages
English (en)
French (fr)
Inventor
F Kruger
G Schmidt
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 filed Critical
Publication of BE835377A publication Critical patent/BE835377A/xx

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
    • C02F5/14—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 containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/09—Esters of phosphoric acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE161701A 1974-11-08 1975-11-07 Monophosphates d'hydroxyalkylurees et leur utilisation pour eliminer des sediments pierreux BE835377A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742453037 DE2453037B2 (de) 1974-11-08 1974-11-08 Verfahren zur verhinderung von steinbildenden ablagerungen mittels saurer monophosphorsaeureester von hydroxyalkylharnstoffen

Publications (1)

Publication Number Publication Date
BE835377A true BE835377A (fr) 1976-03-01

Family

ID=5930357

Family Applications (1)

Application Number Title Priority Date Filing Date
BE161701A BE835377A (fr) 1974-11-08 1975-11-07 Monophosphates d'hydroxyalkylurees et leur utilisation pour eliminer des sediments pierreux

Country Status (9)

Country Link
US (1) US4041110A (member.php)
AT (1) AT339220B (member.php)
BE (1) BE835377A (member.php)
CH (1) CH596097A5 (member.php)
DE (1) DE2453037B2 (member.php)
ES (1) ES441640A1 (member.php)
FR (1) FR2290505A1 (member.php)
GB (1) GB1489960A (member.php)
NL (1) NL7513090A (member.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585848A (en) * 1981-04-09 1986-04-29 Evans Edwin R Fluorosilicone rubber composition, process and polymer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609360A (en) * 1950-04-25 1952-09-02 George C Daul Process of reacting polyvinylalcohol with urea phosphate
US3636142A (en) * 1968-04-04 1972-01-18 Exxon Research Engineering Co Triorthophosphate esters of ethoxylated triols
US3644205A (en) * 1970-07-10 1972-02-22 Exxon Research Engineering Co Inhibition of aqueous systems from deposition of scale

Also Published As

Publication number Publication date
DE2453037A1 (de) 1976-05-13
FR2290505A1 (fr) 1976-06-04
AT339220B (de) 1977-10-10
CH596097A5 (member.php) 1978-02-28
US4041110A (en) 1977-08-09
ES441640A1 (es) 1977-04-01
NL7513090A (nl) 1976-05-11
FR2290505B3 (member.php) 1979-09-21
ATA844075A (de) 1977-01-15
GB1489960A (en) 1977-10-26
DE2453037B2 (de) 1976-11-11

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