FR2723948B1 - Procede de fabrication de l'acide hydroxyethylidene-1,1-diphosphonique - Google Patents

Procede de fabrication de l'acide hydroxyethylidene-1,1-diphosphonique

Info

Publication number
FR2723948B1
FR2723948B1 FR9410222A FR9410222A FR2723948B1 FR 2723948 B1 FR2723948 B1 FR 2723948B1 FR 9410222 A FR9410222 A FR 9410222A FR 9410222 A FR9410222 A FR 9410222A FR 2723948 B1 FR2723948 B1 FR 2723948B1
Authority
FR
France
Prior art keywords
hydroxyethylidene
production
diphosphonic acid
diphosphonic
acid
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 - Fee Related
Application number
FR9410222A
Other languages
English (en)
Other versions
FR2723948A1 (fr
Inventor
Yufang Li
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.)
TIANJIN RESEARCH INST OF CHEMI
Original Assignee
TIANJIN RESEARCH INST OF CHEMI
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 TIANJIN RESEARCH INST OF CHEMI filed Critical TIANJIN RESEARCH INST OF CHEMI
Priority to FR9410222A priority Critical patent/FR2723948B1/fr
Publication of FR2723948A1 publication Critical patent/FR2723948A1/fr
Application granted granted Critical
Publication of FR2723948B1 publication Critical patent/FR2723948B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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 System
    • 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, i.e. RP(=X)(XH)2 (X = S, Se)
    • C07F9/3804—Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se) not used, see subgroups
    • C07F9/3839—Polyphosphonic acids
    • C07F9/386—Polyphosphonic acids containing hydroxy substituents in the hydrocarbon radicals
FR9410222A 1994-08-23 1994-08-23 Procede de fabrication de l'acide hydroxyethylidene-1,1-diphosphonique Expired - Fee Related FR2723948B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9410222A FR2723948B1 (fr) 1994-08-23 1994-08-23 Procede de fabrication de l'acide hydroxyethylidene-1,1-diphosphonique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9410222A FR2723948B1 (fr) 1994-08-23 1994-08-23 Procede de fabrication de l'acide hydroxyethylidene-1,1-diphosphonique

Publications (2)

Publication Number Publication Date
FR2723948A1 FR2723948A1 (fr) 1996-03-01
FR2723948B1 true FR2723948B1 (fr) 1998-01-02

Family

ID=9466445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9410222A Expired - Fee Related FR2723948B1 (fr) 1994-08-23 1994-08-23 Procede de fabrication de l'acide hydroxyethylidene-1,1-diphosphonique

Country Status (1)

Country Link
FR (1) FR2723948B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103509051B (zh) * 2012-06-21 2016-08-03 河南清水源科技股份有限公司 一种高纯度低砷的羟基亚乙基二膦酸的制备工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2132026A1 (de) * 1970-06-29 1972-01-05 Monsanto Co Verfahren zur Herstellung von Phosphonsaeuren
US3959360A (en) * 1975-07-31 1976-05-25 Monsanto Company Process for preparing 1-hydroxy, ethylidene-1,1-diphosphonic acid

Also Published As

Publication number Publication date
FR2723948A1 (fr) 1996-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse