FR2358423B1 - - Google Patents
Info
- Publication number
- FR2358423B1 FR2358423B1 FR7621292A FR7621292A FR2358423B1 FR 2358423 B1 FR2358423 B1 FR 2358423B1 FR 7621292 A FR7621292 A FR 7621292A FR 7621292 A FR7621292 A FR 7621292A FR 2358423 B1 FR2358423 B1 FR 2358423B1
- Authority
- FR
- France
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/12—Separation of polymers from solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7621292A FR2358423A1 (fr) | 1976-07-12 | 1976-07-12 | Separation des polypropylenes isotactique et atactique |
| BE179136A BE856555A (fr) | 1976-07-12 | 1977-07-06 | Separation des polypropylenes isotactique et atactique |
| NL7707589A NL7707589A (nl) | 1976-07-12 | 1977-07-07 | Werkwijze voor het afscheiden van isotactisch en atactisch propeenpolymeer. |
| NO772417A NO772417L (no) | 1976-07-12 | 1977-07-07 | Fremgangsm}te for separering av isotaktiske og ataktiske polypropylener |
| JP8109077A JPS538686A (en) | 1976-07-12 | 1977-07-08 | Method of separating isotactic polypropylene from atactic polypropylene |
| GB29841/77A GB1580339A (en) | 1976-07-12 | 1977-07-11 | Process for purifying polypropylene |
| IT25574/77A IT1082121B (it) | 1976-07-12 | 1977-07-11 | Procedimento per la separazione dei polipropilene isotattici ed atattici |
| DE19772731231 DE2731231A1 (de) | 1976-07-12 | 1977-07-11 | Verfahren zur herstellung von gereinigtem isotaktischem polypropylen und von dessen gereinigtem ataktischem isomerem |
| US06/006,683 US4256874A (en) | 1976-07-12 | 1979-01-26 | Process for separating isotactic and atactic polypropylenes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7621292A FR2358423A1 (fr) | 1976-07-12 | 1976-07-12 | Separation des polypropylenes isotactique et atactique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2358423A1 FR2358423A1 (fr) | 1978-02-10 |
| FR2358423B1 true FR2358423B1 (enExample) | 1980-08-08 |
Family
ID=9175607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7621292A Granted FR2358423A1 (fr) | 1976-07-12 | 1976-07-12 | Separation des polypropylenes isotactique et atactique |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4256874A (enExample) |
| JP (1) | JPS538686A (enExample) |
| BE (1) | BE856555A (enExample) |
| DE (1) | DE2731231A1 (enExample) |
| FR (1) | FR2358423A1 (enExample) |
| GB (1) | GB1580339A (enExample) |
| IT (1) | IT1082121B (enExample) |
| NL (1) | NL7707589A (enExample) |
| NO (1) | NO772417L (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54142292A (en) * | 1978-04-27 | 1979-11-06 | Sumitomo Chem Co Ltd | Separation of atactic polypropylene from hydrocarbon solvents and its device |
| WO2002092640A1 (en) * | 2001-05-14 | 2002-11-21 | Exxonmobil Chemical Patents Inc. A Corporation Of State Of Delaware | Low bulk density polypropylene homopolymers and copolymers |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125560A (en) * | 1958-10-13 | 1964-03-17 | Cziis | |
| US3219647A (en) * | 1962-04-26 | 1965-11-23 | Phillips Petroleum Co | Removal of catalyst residues from polymers |
| US3285899A (en) * | 1962-08-30 | 1966-11-15 | Phillips Petroleum Co | Method for continuously discharging the contents of a pressurized vessel |
| US3281399A (en) * | 1963-04-01 | 1966-10-25 | Phillips Petroleum Co | Catalyst residue removal |
| GB1051049A (enExample) * | 1963-06-03 | 1900-01-01 | ||
| US3499880A (en) * | 1966-01-18 | 1970-03-10 | Hercules Inc | Purification of polyolefins using alkanoic acids |
| US3328373A (en) * | 1966-08-04 | 1967-06-27 | Firestone Tire & Rubber Co | Process for purification of polypropylene |
| US3661884A (en) * | 1969-07-07 | 1972-05-09 | Phillips Petroleum Co | Refining crude amorphous polyolefins |
| US3733314A (en) * | 1971-02-03 | 1973-05-15 | Phillips Petroleum Co | Purification of amorphous polyolefins |
| US3709850A (en) * | 1971-02-16 | 1973-01-09 | Phillips Petroleum Co | Purification of polyolefins |
-
1976
- 1976-07-12 FR FR7621292A patent/FR2358423A1/fr active Granted
-
1977
- 1977-07-06 BE BE179136A patent/BE856555A/xx unknown
- 1977-07-07 NL NL7707589A patent/NL7707589A/xx not_active Application Discontinuation
- 1977-07-07 NO NO772417A patent/NO772417L/no unknown
- 1977-07-08 JP JP8109077A patent/JPS538686A/ja active Pending
- 1977-07-11 DE DE19772731231 patent/DE2731231A1/de not_active Withdrawn
- 1977-07-11 GB GB29841/77A patent/GB1580339A/en not_active Expired
- 1977-07-11 IT IT25574/77A patent/IT1082121B/it active
-
1979
- 1979-01-26 US US06/006,683 patent/US4256874A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE856555A (fr) | 1978-01-06 |
| FR2358423A1 (fr) | 1978-02-10 |
| US4256874A (en) | 1981-03-17 |
| DE2731231A1 (de) | 1978-01-19 |
| GB1580339A (en) | 1980-12-03 |
| JPS538686A (en) | 1978-01-26 |
| IT1082121B (it) | 1985-05-21 |
| NL7707589A (nl) | 1978-01-16 |
| NO772417L (no) | 1978-01-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |