GB1200961A - Process for the manufacture of maddrell's salt - Google Patents

Process for the manufacture of maddrell's salt

Info

Publication number
GB1200961A
GB1200961A GB27915/68A GB2791568A GB1200961A GB 1200961 A GB1200961 A GB 1200961A GB 27915/68 A GB27915/68 A GB 27915/68A GB 2791568 A GB2791568 A GB 2791568A GB 1200961 A GB1200961 A GB 1200961A
Authority
GB
United Kingdom
Prior art keywords
feed material
nah
heating
feed
june
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
GB27915/68A
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.)
Knapsack AG
Original Assignee
Knapsack 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 Knapsack AG filed Critical Knapsack AG
Publication of GB1200961A publication Critical patent/GB1200961A/en
Expired legal-status Critical Current

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)
  • Drying Of Solid Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
GB27915/68A 1967-06-27 1968-06-12 Process for the manufacture of maddrell's salt Expired GB1200961A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1200961A true GB1200961A (en) 1970-08-05

Family

ID=7230717

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27915/68A Expired GB1200961A (en) 1967-06-27 1968-06-12 Process for the manufacture of maddrell's salt

Country Status (11)

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

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
NL6808614A (enExample) 1968-12-30
DE1667569B2 (de) 1973-05-17
DE1667569A1 (de) 1971-05-13
IT1035009B (it) 1979-10-20
AT283270B (de) 1970-07-27
NL159633B (nl) 1979-03-15
BE717150A (enExample) 1968-12-27
US3652205A (en) 1972-03-28
DK123930B (da) 1972-08-21
FR1570296A (enExample) 1969-06-06
SE328556B (enExample) 1970-09-21
DE1667569C3 (de) 1975-07-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee