BE827983A - Procede de polymerisation d'alpha-olefines, catalyseur utilise dans ce procede et son procede de preparation - Google Patents
Procede de polymerisation d'alpha-olefines, catalyseur utilise dans ce procede et son procede de preparationInfo
- Publication number
- BE827983A BE827983A BE155442A BE155442A BE827983A BE 827983 A BE827983 A BE 827983A BE 155442 A BE155442 A BE 155442A BE 155442 A BE155442 A BE 155442A BE 827983 A BE827983 A BE 827983A
- Authority
- BE
- Belgium
- Prior art keywords
- alpha
- catalyst used
- olefins polymerization
- preparation
- preparation process
- Prior art date
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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2151674A IT1009868B (it) | 1974-04-17 | 1974-04-17 | Processo per la polimerizzazione di alfa olefine catalizzatore im piegato in tale processo e metodo per la sua preparazione |
IT1916675A IT1049342B (it) | 1975-01-10 | 1975-01-10 | Processo per la polimerizzazione di alfa olefine |
Publications (1)
Publication Number | Publication Date |
---|---|
BE827983A true BE827983A (fr) | 1975-08-18 |
Family
ID=26327077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE155442A BE827983A (fr) | 1974-04-17 | 1975-04-16 | Procede de polymerisation d'alpha-olefines, catalyseur utilise dans ce procede et son procede de preparation |
Country Status (16)
Country | Link |
---|---|
US (1) | US4151110A (fr) |
JP (1) | JPS5195487A (fr) |
BE (1) | BE827983A (fr) |
CA (1) | CA1077461A (fr) |
CH (1) | CH606123A5 (fr) |
DD (1) | DD120027A5 (fr) |
DE (1) | DE2516857C3 (fr) |
DK (1) | DK146027C (fr) |
FR (1) | FR2268026B1 (fr) |
GB (2) | GB1507563A (fr) |
IL (1) | IL46858A (fr) |
LU (1) | LU72274A1 (fr) |
NL (1) | NL7504597A (fr) |
NO (1) | NO146283C (fr) |
SE (1) | SE425497B (fr) |
YU (1) | YU36870B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL51283A (en) | 1976-01-30 | 1979-11-30 | Snam Progetti | Process for preparing a co-catalyst for use in the polymerization of a-olefins,a co-catalyst prepared by the process,a catalytic system comprising such a co-catalyst and a process for polymerizing an a-olefin using such catalytic system |
US4409126A (en) * | 1981-10-22 | 1983-10-11 | The Dow Chemical Company | Ultra high efficiency catalyst for polymerizing olefins |
US4530982A (en) * | 1983-08-22 | 1985-07-23 | Parlman Robert M | Polymerization using benzenediazonium tetrafluoroborate/titanium tetrahalide-based catalysts |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE933753C (de) | 1953-08-20 | 1955-10-06 | Basf Ag | Verfahren zur Aufarbeitung von in Gasen oder fluessigen Medien enthaltenen Carbonylen, teilsubstituierten Carbonylen oder Carbonyl-wasserstoffen des Nickels oder Kobalts |
US3308112A (en) * | 1955-12-06 | 1967-03-07 | Du Pont | Polymerizing ethylene in the presence of catalyst consisting of aluminum trialkyl mixed with a solution of a vanadium halide and a titanium halide |
GB888709A (en) * | 1959-07-17 | 1962-01-31 | Exxon Research Engineering Co | Cocrystallized vanadium-titanium catalyst components |
NL134844C (fr) * | 1960-10-10 | |||
US3398130A (en) * | 1962-09-17 | 1968-08-20 | Shell Oil Co | Catalyst and process for polymerization |
US3812089A (en) * | 1969-12-28 | 1974-05-21 | Mitsubishi Petrochemical Co | Production of olefin polymers |
JPS4948475B1 (fr) * | 1970-08-11 | 1974-12-21 | ||
JPS5029869B2 (fr) * | 1972-04-13 | 1975-09-26 | ||
IT1004430B (it) * | 1974-03-28 | 1976-07-10 | Snam Progetti | Processo per la polimerizzazione di alfa olefine catalizzatore impiegato in tale processo e metodo per la sua preparazione |
JPS5340632A (en) * | 1976-09-27 | 1978-04-13 | Nippon Steel Corp | Method of measuring thickness of solidified shell of continuously cast piece |
-
1975
- 1975-03-18 IL IL46858A patent/IL46858A/xx unknown
- 1975-04-09 DK DK152775A patent/DK146027C/da not_active IP Right Cessation
- 1975-04-10 FR FR7511249A patent/FR2268026B1/fr not_active Expired
- 1975-04-11 LU LU72274A patent/LU72274A1/xx unknown
- 1975-04-14 GB GB15302/75A patent/GB1507563A/en not_active Expired
- 1975-04-14 GB GB36419/77A patent/GB1507818A/en not_active Expired
- 1975-04-15 DD DD185462A patent/DD120027A5/xx unknown
- 1975-04-15 JP JP50044904A patent/JPS5195487A/ja active Granted
- 1975-04-16 BE BE155442A patent/BE827983A/fr not_active IP Right Cessation
- 1975-04-16 SE SE7504417A patent/SE425497B/xx unknown
- 1975-04-16 YU YU0958/75A patent/YU36870B/xx unknown
- 1975-04-16 NO NO751368A patent/NO146283C/no unknown
- 1975-04-16 CA CA224,799A patent/CA1077461A/fr not_active Expired
- 1975-04-17 CH CH494275A patent/CH606123A5/xx not_active IP Right Cessation
- 1975-04-17 NL NL7504597A patent/NL7504597A/xx not_active Application Discontinuation
- 1975-04-17 DE DE2516857A patent/DE2516857C3/de not_active Expired
-
1977
- 1977-03-25 US US05/781,480 patent/US4151110A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1507563A (en) | 1978-04-19 |
CA1077461A (fr) | 1980-05-13 |
NO146283C (no) | 1982-09-01 |
IL46858A (en) | 1979-01-31 |
CH606123A5 (fr) | 1978-10-31 |
NO751368L (fr) | 1975-10-20 |
FR2268026A1 (fr) | 1975-11-14 |
YU36870B (en) | 1984-08-31 |
NO146283B (no) | 1982-05-24 |
DD120027A5 (fr) | 1976-05-20 |
NL7504597A (nl) | 1975-10-21 |
FR2268026B1 (fr) | 1978-06-30 |
AU7997075A (en) | 1976-10-14 |
LU72274A1 (fr) | 1975-08-20 |
SE7504417L (sv) | 1975-10-20 |
GB1507818A (en) | 1978-04-19 |
DE2516857A1 (de) | 1975-10-23 |
JPS5195487A (en) | 1976-08-21 |
DK146027C (da) | 1983-10-24 |
DK146027B (da) | 1983-05-30 |
IL46858A0 (en) | 1975-05-22 |
DE2516857B2 (de) | 1980-02-14 |
JPS5639764B2 (fr) | 1981-09-16 |
DK152775A (da) | 1975-10-18 |
SE425497B (sv) | 1982-10-04 |
YU95875A (en) | 1982-02-25 |
US4151110A (en) | 1979-04-24 |
DE2516857C3 (de) | 1980-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SNAMPROGETTI S.P.A. Effective date: 19840416 |