NL7206857A - - Google Patents
Info
- Publication number
- NL7206857A NL7206857A NL7206857A NL7206857A NL7206857A NL 7206857 A NL7206857 A NL 7206857A NL 7206857 A NL7206857 A NL 7206857A NL 7206857 A NL7206857 A NL 7206857A NL 7206857 A NL7206857 A NL 7206857A
- Authority
- NL
- Netherlands
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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
- C08F297/042—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes using a polyfunctional initiator
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3489571 | 1971-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7206857A true NL7206857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-23 |
| NL149191B NL149191B (nl) | 1976-04-15 |
Family
ID=12426891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL727206857A NL149191B (nl) | 1971-05-21 | 1972-05-19 | Werkwijze voor de bereiding van een copolymeer van een geconjugeerd dieen en een aromatische vinylkoolwaterstof. |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989004843A1 (en) * | 1987-11-16 | 1989-06-01 | The Dow Chemical Company | Amine containing initiator system for anionic polymerization |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3287333A (en) * | 1961-12-26 | 1966-11-22 | Phillips Petroleum Co | Process for preparing a conjugated diene-vinyl-aromatic block copolymer with a lithium-condensed aromatic ring compound catalyst |
| US3251905A (en) * | 1963-08-05 | 1966-05-17 | Phillips Petroleum Co | Method of preparing block copolymers of conjugated dienes and vinyl-substituted aromatic compounds using dilithio catalysts and diluent mixture of hydrocarbon and ether |
| US3366611A (en) * | 1965-01-06 | 1968-01-30 | Phillips Petroleum Co | Preparation of random copolymers |
| US3451988A (en) * | 1966-10-25 | 1969-06-24 | Exxon Research Engineering Co | Polymerization catalyst and uses thereof |
| DE1814870A1 (de) * | 1968-12-16 | 1970-07-16 | Hoechst Ag | Verfahren zur Faellungspolymerisation von alpha-Methylstyrol |
| DE1942017A1 (de) * | 1969-08-19 | 1971-03-04 | Hoechst Ag | Verfahren zur Faellungspolymerisation von gegebenenfalls substituierten alpha-Methylstyrolen |
| US3678121A (en) * | 1971-01-22 | 1972-07-18 | Lithium Corp | Preparation of telomeric liquid polybutadiene oils |
-
1972
- 1972-05-18 US US254437A patent/US3898302A/en not_active Expired - Lifetime
- 1972-05-19 DE DE2224616A patent/DE2224616C3/de not_active Expired
- 1972-05-19 CA CA142,552A patent/CA980488A/en not_active Expired
- 1972-05-19 FR FR7218174A patent/FR2138849B1/fr not_active Expired
- 1972-05-19 NL NL727206857A patent/NL149191B/xx unknown
- 1972-05-22 GB GB2397672A patent/GB1389456A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1389456A (en) | 1975-04-03 |
| FR2138849A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-05 |
| FR2138849B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-10-07 |
| DE2224616C3 (de) | 1978-04-20 |
| NL149191B (nl) | 1976-04-15 |
| DE2224616A1 (de) | 1972-12-07 |
| DE2224616B2 (de) | 1977-09-01 |
| CA980488A (en) | 1975-12-23 |
| US3898302A (en) | 1975-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application |