ATE102896T1 - Verfahren zur herstellung von phosphorigesaeure. - Google Patents

Verfahren zur herstellung von phosphorigesaeure.

Info

Publication number: ATE102896T1
Authority: AT; Austria
Prior art keywords: recycling; mixture; reaction product; phosphorous; iii
Prior art date: 1990-04-12

Application number

AT91105632T

Other languages

English (en)

Inventor

Edward James Lowe

William Samuel Holmes

Original Assignee

Albright & Wilson

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.)

1990-04-12

Filing date

1991-04-10

Publication date

1994-04-15

1991-04-10 Application filed by Albright & Wilson filed Critical Albright & Wilson

1994-04-15 Application granted granted Critical

1994-04-15 Publication of ATE102896T1 publication Critical patent/ATE102896T1/de

Links

238000000034 method Methods 0.000 title abstract 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
229910000147 aluminium phosphate Inorganic materials 0.000 title 1
238000004064 recycling Methods 0.000 abstract 5
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
239000000203 mixture Substances 0.000 abstract 4
239000007795 chemical reaction product Substances 0.000 abstract 3
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 2
235000011167 hydrochloric acid Nutrition 0.000 abstract 2
229910000041 hydrogen chloride Inorganic materials 0.000 abstract 2
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract 2
FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 abstract 2
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
239000002253 acid Substances 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
239000007791 liquid phase Substances 0.000 abstract 1
239000012071 phase Substances 0.000 abstract 1
229910052698 phosphorus Inorganic materials 0.000 abstract 1
239000011574 phosphorus Substances 0.000 abstract 1
239000000243 solution Substances 0.000 abstract 1
ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

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)

AT91105632T 1990-04-12 1991-04-10 Verfahren zur herstellung von phosphorigesaeure. ATE102896T1 (de)

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
ATE102896T1 true ATE102896T1 (de)	1994-04-15

Family

ID=10674393

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT91105632T ATE102896T1 (de)	1990-04-12	1991-04-10	Verfahren zur herstellung von phosphorigesaeure.

Country Status (9)

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

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 (de) *	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

1990
- 1990-04-12 GB GB909008406A patent/GB9008406D0/en active Pending
1991
- 1991-04-10 DE DE69101395T patent/DE69101395T2/de not_active Expired - Fee Related
- 1991-04-10 DK DK91105632.3T patent/DK0452781T3/da active
- 1991-04-10 AT AT91105632T patent/ATE102896T1/de not_active IP Right Cessation
- 1991-04-10 GB GB9107547A patent/GB2242900A/en not_active Withdrawn
- 1991-04-10 ES ES91105632T patent/ES2053231T3/es not_active Expired - Lifetime
- 1991-04-10 EP EP91105632A patent/EP0452781B1/de not_active Expired - Lifetime
- 1991-04-11 US US07/685,460 patent/US5085846A/en not_active Expired - Fee Related
- 1991-04-12 JP JP3080244A patent/JPH04224105A/ja active Pending
- 1991-04-12 CA CA002040332A patent/CA2040332A1/en not_active Abandoned

Also Published As

Publication number	Publication date
GB2242900A (en)	1991-10-16
US5085846A (en)	1992-02-04
DK0452781T3 (da)	1994-04-05
ES2053231T3 (es)	1994-07-16
DE69101395D1 (de)	1994-04-21
GB9107547D0 (en)	1991-05-29
CA2040332A1 (en)	1991-10-13
EP0452781A1 (de)	1991-10-23
GB9008406D0 (en)	1990-06-13
DE69101395T2 (de)	1994-08-04
JPH04224105A (ja)	1992-08-13
EP0452781B1 (de)	1994-03-16

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Legal Events

Date	Code	Title	Description
1994-12-15	UEP	Publication of translation of european patent specification
2000-01-15	REN	Ceased due to non-payment of the annual fee