IT9020622A0 - sintesi di ossidi - Google Patents
sintesi di ossidiInfo
- Publication number
- IT9020622A0 IT9020622A0 IT9020622A IT2062290A IT9020622A0 IT 9020622 A0 IT9020622 A0 IT 9020622A0 IT 9020622 A IT9020622 A IT 9020622A IT 2062290 A IT2062290 A IT 2062290A IT 9020622 A0 IT9020622 A0 IT 9020622A0
- Authority
- IT
- Italy
- Prior art keywords
- oxides
- synthesis
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/382—Phosphine chalcogenides, e.g. compounds of the formula R3P=X with X = O, S, Se or Te
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/46—Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/366,120 US4990674A (en) | 1989-06-14 | 1989-06-14 | Synthesis of aliphatic aromatic phosphine oxides |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9020622A0 true IT9020622A0 (it) | 1990-06-13 |
IT9020622A1 IT9020622A1 (it) | 1991-12-13 |
IT1248730B IT1248730B (it) | 1995-01-26 |
Family
ID=23441745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02062290A IT1248730B (it) | 1989-06-14 | 1990-06-13 | Sintesi di ossidi di fosfine aromatici alifatici |
Country Status (5)
Country | Link |
---|---|
US (1) | US4990674A (it) |
JP (1) | JPH0324095A (it) |
FR (1) | FR2648461A1 (it) |
GB (1) | GB2232671B (it) |
IT (1) | IT1248730B (it) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126416A (en) * | 1964-03-24 | Purification of aryl secondary | ||
US2953596A (en) * | 1958-07-31 | 1960-09-20 | American Cyanamid Co | Preparation of secondary phosphine oxides |
DE1793203B2 (de) * | 1968-08-16 | 1974-02-07 | Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt | Verfahren zur Herstellung von Dialkylphosphinoxyden |
DE2156203B2 (de) * | 1971-11-12 | 1974-10-24 | Knapsack Ag, 5033 Huerth-Knapsack | Verfahren zur Herstellung von Dialkylphosphinoxiden |
US3931196A (en) * | 1972-02-28 | 1976-01-06 | Monash University | Phosphinolines and phosphindolines |
DE2225545C3 (de) * | 1972-05-26 | 1982-02-11 | Hoechst Ag, 6000 Frankfurt | Verfarhen zur Herstellung von Phosphinsäureanhydriden |
DE3135666A1 (de) * | 1981-09-09 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von dialkylphosphinsaeurehalogeniden |
DE3313921A1 (de) * | 1983-04-16 | 1984-10-18 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung organischer chlorphosphane |
DE3424182A1 (de) * | 1984-06-30 | 1986-01-09 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von chlor-phenyl-phosphanen |
-
1989
- 1989-06-14 US US07/366,120 patent/US4990674A/en not_active Expired - Fee Related
-
1990
- 1990-06-13 GB GB9013180A patent/GB2232671B/en not_active Expired - Fee Related
- 1990-06-13 FR FR9007333A patent/FR2648461A1/fr active Pending
- 1990-06-13 IT IT02062290A patent/IT1248730B/it active IP Right Grant
- 1990-06-14 JP JP2156619A patent/JPH0324095A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB9013180D0 (en) | 1990-08-01 |
FR2648461A1 (fr) | 1990-12-21 |
US4990674A (en) | 1991-02-05 |
IT9020622A1 (it) | 1991-12-13 |
GB2232671A (en) | 1990-12-19 |
JPH0324095A (ja) | 1991-02-01 |
GB2232671B (en) | 1993-02-24 |
IT1248730B (it) | 1995-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |