NL141203B - PROCEDURE FOR THE WINNING OF BISPHOSPHONIC ACIDS AND THEIR SALTS. - Google Patents

PROCEDURE FOR THE WINNING OF BISPHOSPHONIC ACIDS AND THEIR SALTS.

Info

Publication number
NL141203B
NL141203B NL6410204A NL6410204A NL141203B NL 141203 B NL141203 B NL 141203B NL 6410204 A NL6410204 A NL 6410204A NL 6410204 A NL6410204 A NL 6410204A NL 141203 B NL141203 B NL 141203B
Authority
NL
Netherlands
Prior art keywords
winning
salts
procedure
bisphosphonic acids
bisphosphonic
Prior art date
Application number
NL6410204A
Other languages
Dutch (nl)
Other versions
NL6410204A (en
Original Assignee
Henkel & Cie Gmbh
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 Henkel & Cie Gmbh filed Critical Henkel & Cie Gmbh
Publication of NL6410204A publication Critical patent/NL6410204A/xx
Publication of NL141203B publication Critical patent/NL141203B/en

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

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)
NL6410204A 1963-11-02 1964-09-02 PROCEDURE FOR THE WINNING OF BISPHOSPHONIC ACIDS AND THEIR SALTS. NL141203B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH50724A DE1194852B (en) 1963-11-02 1963-11-02 Process for the production of phosphonic acids or their salts with at least two phosphorus atoms in the molecule

Publications (2)

Publication Number Publication Date
NL6410204A NL6410204A (en) 1965-05-03
NL141203B true NL141203B (en) 1974-02-15

Family

ID=7157463

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6410204A NL141203B (en) 1963-11-02 1964-09-02 PROCEDURE FOR THE WINNING OF BISPHOSPHONIC ACIDS AND THEIR SALTS.

Country Status (5)

Country Link
BE (1) BE655066A (en)
CH (1) CH441307A (en)
DE (1) DE1194852B (en)
GB (1) GB1032378A (en)
NL (1) NL141203B (en)

Families Citing this family (4)

* 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
US3400148A (en) * 1965-09-23 1968-09-03 Procter & Gamble Phosphonate compounds
US3400176A (en) * 1965-11-15 1968-09-03 Procter & Gamble Propanepolyphosphonate compounds
US3959360A (en) * 1975-07-31 1976-05-25 Monsanto Company Process for preparing 1-hydroxy, ethylidene-1,1-diphosphonic acid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL124638C (en) * 1961-07-03

Also Published As

Publication number Publication date
BE655066A (en) 1965-04-30
NL6410204A (en) 1965-05-03
DE1194852B (en) 1965-06-16
CH441307A (en) 1967-08-15
GB1032378A (en) 1966-06-08

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HENKEL