FR2520720B1 - Procede pour la purification des chlorures de phosphonitrile - Google Patents
Procede pour la purification des chlorures de phosphonitrileInfo
- Publication number
- FR2520720B1 FR2520720B1 FR8301393A FR8301393A FR2520720B1 FR 2520720 B1 FR2520720 B1 FR 2520720B1 FR 8301393 A FR8301393 A FR 8301393A FR 8301393 A FR8301393 A FR 8301393A FR 2520720 B1 FR2520720 B1 FR 2520720B1
- Authority
- FR
- France
- Prior art keywords
- purification
- phosphonitrile chlorides
- phosphonitrile
- chlorides
- 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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/097—Compounds containing nitrogen and non-metals and optionally metals containing phosphorus atoms
- C01B21/098—Phosphonitrilic dihalides; Polymers thereof
- C01B21/0986—Phosphonitrilic dichlorides; Polymers thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57011765A JPS58130107A (ja) | 1982-01-29 | 1982-01-29 | ホスホニトリルクロライド類の精製方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2520720A1 FR2520720A1 (fr) | 1983-08-05 |
FR2520720B1 true FR2520720B1 (fr) | 1987-05-15 |
Family
ID=11787067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8301393A Expired FR2520720B1 (fr) | 1982-01-29 | 1983-01-28 | Procede pour la purification des chlorures de phosphonitrile |
Country Status (6)
Country | Link |
---|---|
US (1) | US4522689A (fr) |
JP (1) | JPS58130107A (fr) |
CA (1) | CA1197067A (fr) |
DE (1) | DE3302747A1 (fr) |
FR (1) | FR2520720B1 (fr) |
GB (1) | GB2114111B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4603038A (en) * | 1984-10-05 | 1986-07-29 | Ethyl Corporation | Phosphazene trimer purification |
EP0177370A3 (fr) * | 1984-10-05 | 1987-05-27 | Ethyl Corporation | Procédé de purification de trimère de phosphazènes |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2862799A (en) * | 1955-06-20 | 1958-12-02 | Ethyl Corp | Separation of tri-(phosphonitrilic chloride) |
NL295896A (fr) * | 1962-08-14 | |||
NL295895A (fr) * | 1962-08-14 | |||
NL295897A (fr) * | 1962-08-14 | |||
FR1382129A (fr) * | 1962-08-14 | 1964-12-18 | Hooker Chemical Corp | Procédé de récupération de tri- et tétramères de chlorure de phosphonitrile |
BE638101A (fr) * | 1962-10-04 | |||
GB1213716A (en) * | 1968-03-15 | 1970-11-25 | Albright & Wilson Mfg Ltd | Purification of phosphonitrilic chloride polymers |
US3694171A (en) * | 1970-02-02 | 1972-09-26 | Hooker Chemical Corp | Method for purifying cyclic phosphonitrilic chlorides |
US3669633A (en) * | 1970-08-19 | 1972-06-13 | Continuous process for the preparation of phosphonitrilic chloride cyclic polymers | |
US3974261A (en) * | 1974-11-06 | 1976-08-10 | Ethyl Corporation | Process for purification of phosphonitrilic chloride polymers |
-
1982
- 1982-01-29 JP JP57011765A patent/JPS58130107A/ja active Granted
-
1983
- 1983-01-27 DE DE19833302747 patent/DE3302747A1/de not_active Withdrawn
- 1983-01-27 GB GB08302284A patent/GB2114111B/en not_active Expired
- 1983-01-28 FR FR8301393A patent/FR2520720B1/fr not_active Expired
- 1983-01-28 CA CA000420490A patent/CA1197067A/fr not_active Expired
-
1984
- 1984-10-09 US US06/658,543 patent/US4522689A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2114111A (en) | 1983-08-17 |
US4522689A (en) | 1985-06-11 |
FR2520720A1 (fr) | 1983-08-05 |
JPS612608B2 (fr) | 1986-01-27 |
GB2114111B (en) | 1985-05-01 |
JPS58130107A (ja) | 1983-08-03 |
GB8302284D0 (en) | 1983-03-02 |
DE3302747A1 (de) | 1983-08-04 |
CA1197067A (fr) | 1985-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |