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
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD14207369 | 1969-08-25 | ||
GB2963470 | 1970-06-18 | ||
NL7009066A NL7009066A (es) | 1969-08-25 | 1970-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1264275A true GB1264275A (es) | 1972-02-16 |
Family
ID=27179750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2963470A Expired GB1264275A (es) | 1969-08-25 | 1970-06-18 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2028075A1 (es) |
GB (1) | GB1264275A (es) |
NL (1) | NL7009066A (es) |
Cited By (3)
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 |
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)
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 |
-
1970
- 1970-06-08 DE DE19702028075 patent/DE2028075A1/de active Pending
- 1970-06-18 GB GB2963470A patent/GB1264275A/en not_active Expired
- 1970-06-19 NL NL7009066A patent/NL7009066A/xx unknown
Cited By (9)
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 |
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 (es) | 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 |