FR1479784A - Procédé de préparation de composés organo-phosphorés - Google Patents

Procédé de préparation de composés organo-phosphorés

Info

Publication number
FR1479784A
FR1479784A FR61361A FR61361A FR1479784A FR 1479784 A FR1479784 A FR 1479784A FR 61361 A FR61361 A FR 61361A FR 61361 A FR61361 A FR 61361A FR 1479784 A FR1479784 A FR 1479784A
Authority
FR
France
Prior art keywords
phosphorus compounds
preparing organo
organo
preparing
phosphorus
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR61361A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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
Priority claimed from US455567A external-priority patent/US3366677A/en
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to FR61361A priority Critical patent/FR1479784A/fr
Application granted granted Critical
Publication of FR1479784A publication Critical patent/FR1479784A/fr
Expired legal-status Critical Current

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
    • C07F9/28—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
    • 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)
FR61361A 1965-05-13 1966-05-12 Procédé de préparation de composés organo-phosphorés Expired FR1479784A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR61361A FR1479784A (fr) 1965-05-13 1966-05-12 Procédé de préparation de composés organo-phosphorés

Applications Claiming Priority (2)

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
FR61361A FR1479784A (fr) 1965-05-13 1966-05-12 Procédé de préparation de composés organo-phosphorés

Publications (1)

Publication Number Publication Date
FR1479784A true FR1479784A (fr) 1967-05-05

Family

ID=26170624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR61361A Expired FR1479784A (fr) 1965-05-13 1966-05-12 Procédé de préparation de composés organo-phosphorés

Country Status (1)

Country Link
FR (1) FR1479784A (fr)

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