NL159633B - Werkwijze ter bereiding van maddrell-zout. - Google Patents

Werkwijze ter bereiding van maddrell-zout.

Info

Publication number
NL159633B
NL159633B NL6808614.A NL6808614A NL159633B NL 159633 B NL159633 B NL 159633B NL 6808614 A NL6808614 A NL 6808614A NL 159633 B NL159633 B NL 159633B
Authority
NL
Netherlands
Prior art keywords
preparing
maddrell salt
maddrell
salt
preparing maddrell
Prior art date
Application number
NL6808614.A
Other languages
English (en)
Other versions
NL6808614A (nl
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of NL6808614A publication Critical patent/NL6808614A/xx
Publication of NL159633B publication Critical patent/NL159633B/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/44—Metaphosphates
    • C01B25/445—Metaphosphates of alkali metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fireproofing Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Drying Of Solid Materials (AREA)
  • Paper (AREA)
NL6808614.A 1967-06-27 1968-06-19 Werkwijze ter bereiding van maddrell-zout. NL159633B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0062653 1967-06-27

Publications (2)

Publication Number Publication Date
NL6808614A NL6808614A (nl) 1968-12-30
NL159633B true NL159633B (nl) 1979-03-15

Family

ID=7230717

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6808614.A NL159633B (nl) 1967-06-27 1968-06-19 Werkwijze ter bereiding van maddrell-zout.

Country Status (11)

Country Link
US (1) US3652205A (nl)
AT (1) AT283270B (nl)
BE (1) BE717150A (nl)
CH (1) CH504382A (nl)
DE (1) DE1667569C3 (nl)
DK (1) DK123930B (nl)
FR (1) FR1570296A (nl)
GB (1) GB1200961A (nl)
IT (1) IT1035009B (nl)
NL (1) NL159633B (nl)
SE (1) SE328556B (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792120A (fr) * 1971-12-11 1973-03-16 Benckiser Knapsack Gmbh Procede de preparation de sel de maddrell, et produit obtenu (
DE3543394A1 (de) * 1985-12-07 1987-06-11 Benckiser Knapsack Gmbh Verfahren zur herstellung von maddrellschem salz, sowie natriumdihydrogenphosphat, enthaltend 0,05 - 2,5 mol% phosphorsaeure oder ammoniumphosphat in statistischer verteilung
US4997634A (en) * 1990-05-02 1991-03-05 Fmc Corporation Preparation of medium density, fast-dissolving, tetrasodium pyrophosphate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2021012A (en) * 1932-10-27 1935-11-12 Swann Res Inc Process for production of acid alkali-metal pyrophosphates
US2356799A (en) * 1943-05-27 1944-08-29 Monsanto Chemicals Process for producing insoluble sodium metaphosphate
US2737443A (en) * 1952-06-17 1956-03-06 Monsanto Chemicals Process for the production of stabilized sodium acid pyrophosphate
US3063801A (en) * 1958-07-25 1962-11-13 Monsanto Chemicals Non-degradative drying of sodium triphosphate hexahydrate

Also Published As

Publication number Publication date
CH504382A (de) 1971-03-15
AT283270B (de) 1970-07-27
FR1570296A (nl) 1969-06-06
NL6808614A (nl) 1968-12-30
US3652205A (en) 1972-03-28
GB1200961A (en) 1970-08-05
DE1667569A1 (de) 1971-05-13
DK123930B (da) 1972-08-21
DE1667569C3 (de) 1975-07-31
IT1035009B (it) 1979-10-20
DE1667569B2 (de) 1973-05-17
BE717150A (nl) 1968-12-27
SE328556B (nl) 1970-09-21

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: HOECHST