GB1264275A - - Google Patents

Info

Publication number
GB1264275A
GB1264275A GB2963470A GB1264275DA GB1264275A GB 1264275 A GB1264275 A GB 1264275A GB 2963470 A GB2963470 A GB 2963470A GB 1264275D A GB1264275D A GB 1264275DA GB 1264275 A GB1264275 A GB 1264275A
Authority
GB
United Kingdom
Prior art keywords
phosphorous acid
inert gas
water
phosphorus trioxide
reactor
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
GB2963470A
Other languages
English (en)
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 filed Critical
Publication of GB1264275A publication Critical patent/GB1264275A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB2963470A 1969-08-25 1970-06-18 Expired GB1264275A (en:Method)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DD14207369 1969-08-25
GB2963470 1970-06-18
NL7009066A NL7009066A (en:Method) 1969-08-25 1970-06-19

Publications (1)

Publication Number Publication Date
GB1264275A true GB1264275A (en:Method) 1972-02-16

Family

ID=27179750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2963470A Expired GB1264275A (en:Method) 1969-08-25 1970-06-18

Country Status (3)

Country Link
DE (1) DE2028075A1 (en:Method)
GB (1) GB1264275A (en:Method)
NL (1) NL7009066A (en:Method)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2179152C2 (ru) * 2000-01-31 2002-02-10 Институт органической и физической химии им. А.Е. Арбузова Казанского научного центра РАН Способ получения фосфористой кислоты (варианты)
US6440380B1 (en) 1998-12-15 2002-08-27 Monsanto Technology, Llc Preparation of phosphorus (I) oxides, phosphorus (III) oxides, and lower hydrides of phosphorus by catalytic reduction of phosphorus (V) oxides
WO2009130321A1 (en) * 2008-04-25 2009-10-29 Straitmark Holding Ag Method for the manufacture of concentrated phosphorous acid
CN105836721A (zh) * 2016-05-31 2016-08-10 常州姚氏同德化工有限公司 一种亚磷酸的制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725583A1 (de) * 1987-08-01 1989-02-09 Budenheim Rud A Oetker Chemie Verfahren zur herstellung einer eisen- und arsenarmen phosphorigsaeure-loesung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6440380B1 (en) 1998-12-15 2002-08-27 Monsanto Technology, Llc Preparation of phosphorus (I) oxides, phosphorus (III) oxides, and lower hydrides of phosphorus by catalytic reduction of phosphorus (V) oxides
RU2179152C2 (ru) * 2000-01-31 2002-02-10 Институт органической и физической химии им. А.Е. Арбузова Казанского научного центра РАН Способ получения фосфористой кислоты (варианты)
WO2009130321A1 (en) * 2008-04-25 2009-10-29 Straitmark Holding Ag Method for the manufacture of concentrated phosphorous acid
EP2113483A1 (en) * 2008-04-25 2009-11-04 Thermphos International B.V. Method for the manufacture of concentrated phosphorous acid
US8728427B2 (en) 2008-04-25 2014-05-20 Straitmark Holding Ag Method for the manufacture of concentrated phosphorus acid
RU2525424C2 (ru) * 2008-04-25 2014-08-10 Стрейтмарк Холдинг Аг Способ производства концентрированной фосфористой кислоты
CN104386658A (zh) * 2008-04-25 2015-03-04 斯特瑞马克控股公司 制造浓亚磷酸的方法
AU2009239896B2 (en) * 2008-04-25 2015-03-05 Monsanto Technology Llc Method for the manufacture of concentrated phosphorous acid
CN102015528B (zh) * 2008-04-25 2016-03-16 斯特瑞马克控股公司 制造浓亚磷酸的方法
CN105836721A (zh) * 2016-05-31 2016-08-10 常州姚氏同德化工有限公司 一种亚磷酸的制备方法

Also Published As

Publication number Publication date
DE2028075A1 (de) 1971-04-22
NL7009066A (en:Method) 1971-12-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees