NL124638C - - Google Patents

Info

Publication number
NL124638C
NL124638C NL124638DA NL124638C NL 124638 C NL124638 C NL 124638C NL 124638D A NL124638D A NL 124638DA NL 124638 C NL124638 C NL 124638C
Authority
NL
Netherlands
Application number
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.)
Publication of NL124638C publication Critical patent/NL124638C/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
    • 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
    • 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
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3839—Polyphosphonic acids
    • C07F9/386—Polyphosphonic acids containing hydroxy substituents in the hydrocarbon radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL124638D 1961-07-03 NL124638C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH43034A DE1148551B (de) 1961-07-03 1961-07-03 Verfahren zur Herstellung von Phosphonsaeuren bzw. deren Salzen mit mindestens 2 Phosphoratomen im Molekuel

Publications (1)

Publication Number Publication Date
NL124638C true NL124638C (fr)

Family

ID=7155063

Family Applications (2)

Application Number Title Priority Date Filing Date
NL280424D NL280424A (fr) 1961-07-03
NL124638D NL124638C (fr) 1961-07-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL280424D NL280424A (fr) 1961-07-03

Country Status (6)

Country Link
US (1) US3551480A (fr)
BE (1) BE619619A (fr)
CH (1) CH433289A (fr)
DE (1) DE1148551B (fr)
GB (1) GB978297A (fr)
NL (2) NL124638C (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194852B (de) * 1963-11-02 1965-06-16 Henkel & Cie Gmbh Verfahren zur Herstellung von Phosphonsaeuren oder deren Salzen mit mindestens zwei Phosphoratomen im Molekuel
US3855284A (en) * 1963-11-02 1974-12-17 Henkel & Cie Gmbh Process for the manufacture of phosphonic acids and phosphonates having at least two phosphorus atoms
DE1250439B (de) * 1965-03-30 1967-09-21 The Procter & Gamble Company, Cincinnati, Ohio (V. St. A.) Verfahren zur Herstellung von Äthan - 1 - hydroxy - 1,1-diphosphonsäure
DE1261850B (de) * 1965-03-30 1968-02-29 Procter & Gamble Verfahren zur Herstellung von AEthan-1-hydroxy-1,1-diphosphonsaeure
CA770172A (en) * 1965-03-30 1967-10-24 T. Quimby Oscar Class of organo phosphorous compounds and process for preparing members thereof
DE1251759B (de) * 1965-03-30 1967-10-12 The Procter S. Gamble Company, Cincinnati, Ohio (V St A) Verfahren zur kontinuierlichen Herstellung von Athan 1 hydroxy - 1 1-diphosphonsaure
US3366677A (en) * 1965-05-13 1968-01-30 Procter & Gamble Low temperature preparation of ethane-1-hydroxy-1, 1-diphosphonic acid
US3400150A (en) * 1965-07-29 1968-09-03 Procter & Gamble Process for preparing hydroxydiphosphonic acids from elemental phosphorous, oxygen and carboxylic acids
US3449410A (en) * 1966-05-05 1969-06-10 Monsanto Co Process for preparing phosphonic acids
US3475486A (en) * 1966-09-12 1969-10-28 Monsanto Co Process for preparing phosphonic acids
US3449409A (en) * 1966-09-13 1969-06-10 Monsanto Co Process for preparing prosphonic acids
US3496223A (en) * 1966-12-19 1970-02-17 Monsanto Co Process for preparing phosphonic acids
US3527795A (en) * 1967-11-20 1970-09-08 Monsanto Co Process for preparing water-soluble salts of organic phosphorus acids
US3484480A (en) * 1968-02-23 1969-12-16 Procter & Gamble Process for separating ethane - 1 - hydroxy-1,1-diphosphonic acid from a solution of it in an organic solvent which also contains oxyacids of phosphorus
DE2325829C2 (de) * 1973-05-22 1982-04-01 Henkel KGaA, 4000 Düsseldorf Sequestrierungsmittel
US4032379A (en) * 1974-02-11 1977-06-28 Philip A. Hunt Chemical Corporation Nitric acid system for etching magnesium plates
US3959360A (en) * 1975-07-31 1976-05-25 Monsanto Company Process for preparing 1-hydroxy, ethylidene-1,1-diphosphonic acid
DE3133308A1 (de) * 1981-08-22 1983-03-17 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethandiphosphonsaeuren
DE3232754A1 (de) * 1981-08-22 1984-03-08 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethan-diphosphonsaeuren
US4559181A (en) * 1982-08-25 1985-12-17 Minemet Rechreche Hydroxy-diphosphonic acid derivatives of higher carboxylic acids
DE3334211A1 (de) * 1983-09-22 1985-04-04 Henkel KGaA, 4000 Düsseldorf Dihydroxyalkandiphosphonsaeuren
DE10049735A1 (de) 2000-09-28 2002-04-18 Jenapharm Gmbh Verfahren zur Isolierung von pharmazeutisch verwertbarem Etidronat-Dinatrium
CN104478924A (zh) * 2014-12-15 2015-04-01 常州大学 一种羟基乙叉二膦酸的“一步法”合成方法
CN104497042A (zh) * 2014-12-15 2015-04-08 常州大学 一种低磷缓蚀阻垢剂的合成方法及应用
CN106905362B (zh) * 2017-03-02 2018-08-21 太原理工大学 一种端烯基不饱和膦酸单体及其制备方法

Also Published As

Publication number Publication date
DE1148551B (de) 1963-05-16
CH433289A (de) 1967-04-15
US3551480A (en) 1970-12-29
NL280424A (fr)
GB978297A (en) 1964-12-23
BE619619A (fr) 1963-01-02

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