DK0452781T3 - Fremgangsmåde til fremstilling af phosphorsyrling - Google Patents

Fremgangsmåde til fremstilling af phosphorsyrling

Info

Publication number
DK0452781T3
DK0452781T3 DK91105632.3T DK91105632T DK0452781T3 DK 0452781 T3 DK0452781 T3 DK 0452781T3 DK 91105632 T DK91105632 T DK 91105632T DK 0452781 T3 DK0452781 T3 DK 0452781T3
Authority
DK
Denmark
Prior art keywords
recycling
mixture
reaction product
phosphorous
iii
Prior art date
Application number
DK91105632.3T
Other languages
English (en)
Inventor
William Samuel Holmes
Edward James Lowe
Original Assignee
Albright & Wilson Uk Ltd
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 Albright & Wilson Uk Ltd filed Critical Albright & Wilson Uk Ltd
Application granted granted Critical
Publication of DK0452781T3 publication Critical patent/DK0452781T3/da

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
    • C01B25/163—Phosphorous acid; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
DK91105632.3T 1990-04-12 1991-04-10 Fremgangsmåde til fremstilling af phosphorsyrling DK0452781T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909008406A GB9008406D0 (en) 1990-04-12 1990-04-12 Process for producing phosphorous acid

Publications (1)

Publication Number Publication Date
DK0452781T3 true DK0452781T3 (da) 1994-04-05

Family

ID=10674393

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91105632.3T DK0452781T3 (da) 1990-04-12 1991-04-10 Fremgangsmåde til fremstilling af phosphorsyrling

Country Status (9)

Country Link
US (1) US5085846A (da)
EP (1) EP0452781B1 (da)
JP (1) JPH04224105A (da)
AT (1) ATE102896T1 (da)
CA (1) CA2040332A1 (da)
DE (1) DE69101395T2 (da)
DK (1) DK0452781T3 (da)
ES (1) ES2053231T3 (da)
GB (2) GB9008406D0 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208000A (en) * 1992-10-02 1993-05-04 Monsanto Company Hydrolysis of phosphorus trichloride
WO1995013285A1 (en) * 1993-11-10 1995-05-18 E.I. Du Pont De Nemours And Company Process for the preparation of phosphorous acid/carboxylic acid mixed anhydrides and anhydrous phosphorous acid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665174A (en) * 1948-09-25 1952-01-16 Monsanto Chemicals Improvements in or relating to methods of preparing phosphorous acid and salts thereof
US2670274A (en) * 1951-10-25 1954-02-23 Monsanto Chemicals Method of producing orthophosphoric acid
US2684286A (en) * 1951-11-26 1954-07-20 Joseph L Krieger Preparation of phosphorous acid
NL278901A (da) * 1961-05-26
GB1401616A (en) * 1971-07-20 1975-07-16 Albright & Wilson Manufacture of phosphorus acids
GB1563994A (en) * 1975-05-15 1980-04-02 Albright & Wilson Sulph(on)ation process and mixer

Also Published As

Publication number Publication date
ES2053231T3 (es) 1994-07-16
EP0452781B1 (en) 1994-03-16
GB9008406D0 (en) 1990-06-13
GB9107547D0 (en) 1991-05-29
CA2040332A1 (en) 1991-10-13
DE69101395D1 (de) 1994-04-21
ATE102896T1 (de) 1994-04-15
GB2242900A (en) 1991-10-16
US5085846A (en) 1992-02-04
DE69101395T2 (de) 1994-08-04
EP0452781A1 (en) 1991-10-23
JPH04224105A (ja) 1992-08-13

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