BE680928A - - Google Patents

Info

Publication number
BE680928A
BE680928A BE680928DA BE680928A BE 680928 A BE680928 A BE 680928A BE 680928D A BE680928D A BE 680928DA BE 680928 A BE680928 A BE 680928A
Authority
BE
Belgium
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE680928A publication Critical patent/BE680928A/xx

Links

Classifications

    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
BE680928D 1965-05-13 1966-05-12 BE680928A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US455567A US3366677A (en) 1965-05-13 1965-05-13 Low temperature preparation of ethane-1-hydroxy-1, 1-diphosphonic acid

Publications (1)

Publication Number Publication Date
BE680928A true BE680928A (en]) 1966-11-14

Family

ID=23809359

Family Applications (1)

Application Number Title Priority Date Filing Date
BE680928D BE680928A (en]) 1965-05-13 1966-05-12

Country Status (6)

Country Link
US (1) US3366677A (en])
BE (1) BE680928A (en])
CH (1) CH469744A (en])
DE (1) DE1300563B (en])
GB (1) GB1076914A (en])
NL (1) NL6606548A (en])

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475486A (en) * 1966-09-12 1969-10-28 Monsanto Co Process for preparing phosphonic acids
US3504018A (en) * 1966-12-19 1970-03-31 Monsanto Co Process for preparing phosphonic acids
US3670015A (en) * 1968-12-23 1972-06-13 Procter & Gamble Ethanecarbonyl-1,2-diphosphonic acid, water-soluble salts thereof and process for preparation
US3705191A (en) * 1970-04-13 1972-12-05 Monsanto Co Substituted ethane diphosphonic acids and salts and esters thereof
US3940436A (en) * 1970-04-13 1976-02-24 Monsanto Company Substituted ethane diphosphonic acids and salts and esters thereof
US3944599A (en) * 1970-04-13 1976-03-16 Monsanto Company Substituted ethane diphosphonic acids and salts
US3957858A (en) * 1970-04-13 1976-05-18 Monsanto Company Substituted ethane diphosphonic acids and salts and esters thereof
FR2244708B1 (en]) * 1973-09-25 1977-08-12 Ugine Kuhlmann
US3959360A (en) * 1975-07-31 1976-05-25 Monsanto Company Process for preparing 1-hydroxy, ethylidene-1,1-diphosphonic acid
DE2943498C2 (de) * 1979-10-27 1983-01-27 Henkel KGaA, 4000 Düsseldorf Verfahren zur Herstellung von 3-Amino-1-hydroxypropan-1,1-diphosphonsäure
DE3232754A1 (de) * 1981-08-22 1984-03-08 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethan-diphosphonsaeuren
DE3133308A1 (de) * 1981-08-22 1983-03-17 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethandiphosphonsaeuren
DE3214307A1 (de) * 1982-04-19 1983-11-17 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von 1-amino-alkan-1,1-diphosphonsaeuren
DE3232753A1 (de) * 1982-04-19 1984-03-08 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von 1-aminoalkan-1,1-diphosphonsaeuren
US4428888A (en) 1982-08-16 1984-01-31 Stauffer Chemical Company Method for preparation of N-phosphonomethylglycine
US4559181A (en) * 1982-08-25 1985-12-17 Minemet Rechreche Hydroxy-diphosphonic acid derivatives of higher carboxylic acids
US4415503A (en) * 1982-09-28 1983-11-15 Stauffer Chemical Company Method for preparation of N-phosphonomethylglycine
IT1196315B (it) * 1984-10-29 1988-11-16 Gentili Ist Spa Procedimento per la preparazione di acidi difosfonici
US6143923A (en) * 1996-10-02 2000-11-07 Lonza Inc. Process for manufacturing 1-hydroxyalkylidene-1,1-diphosphonic acid (HADP)
CN103145258A (zh) * 2013-02-25 2013-06-12 枣庄市鑫泰水处理技术有限公司 羟基乙叉二膦酸二钠固体生产工艺
EP3060568B1 (en) 2013-10-25 2019-04-03 Monsanto Technology LLC Method for the synthesis of ethane-1-hydroxy-1,1-diphosphonic acid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL242785A (en]) * 1958-09-06 1900-01-01
NL252116A (en]) * 1959-06-03
NL257200A (en]) * 1960-03-22
NL280424A (en]) * 1961-07-03

Also Published As

Publication number Publication date
CH469744A (de) 1969-03-15
DE1300563B (de) 1969-08-07
US3366677A (en) 1968-01-30
GB1076914A (en) 1967-07-26
NL6606548A (en]) 1966-11-14

Similar Documents

Publication Publication Date Title
AU5791767A (en])
BE658159A (en])
BE663007A (en])
BE664754A (en])
BE665745A (en])
BE667395A (en])
BE668594A (en])
BE668917A (en])
BE669103A (en])
BE669941A (en])
BE670037A (en])
BE670576A (en])
BE671091A (en])
BE671093A (en])
BE671318A (en])
BE672098A (en])
BE673904A (en])
BE673980A (en])
BE674400A (en])
BE674502A (en])
BE674508A (en])
BE674562A (en])
BE674683A (en])
BE674724A (en])
BE674734A (en])