US3080349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization with the aid of a catalyst containing aluminum halide and an organo-mercury compound in a halogenated liquid medium
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-07-22
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Granted: 1963-03-05
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Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Clarke Michael Raymond
- 👤 Bawn Cecil Edwin Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:40
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/02; C08F110/00; C08F110/02; C08F112/00; C08F112/02; C08F112/04; C08F112/06; C08F112/08; C08F36/00; C08F36/02; C08F36/04; C08F110/04; C08F110/06; C08F210/00; C08F210/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A PROCESS FOR POLYMERISING AN ETHYLENICALLY UNSATURATED HYDROCARBON OF THE GROUP CONSISTING OF A ALKENE CONTAINING 2-5 CARBON ATOMS, BUTADIENE, STYRENE, ALPHA-METHYLSTYRENE, AND MIXTURES THEREOF AT 0-60* C, UNDER A PRESSURE OF 1-300 ATMOSPHERES, THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE POLYMERISATION IN CONTACT WITH A CATALYST CONSISTING OF (A) AN ALUMINUM HALIDE OF THE GROUP CONSISTING OF ALUMINUM BROMIDE, ALUMINUMCHLORIDE, AND MIXTURES THEREOF AND (B) A MERCURIC COMPOUND OF THE GROUP CONSISTING OF DIPHENYLMERCURY, DITOLYLMERCURY, DI(AR-CHLOROPHENYL)-MERCURY, PHENYLMERCURICHLORIDE, TOLYLMERCURICHLORIDE, AR-CHLOROPHENYLMERCURICHLORIDE, AND MIXTURES THEREOF IN THE PRESENCE OF A LIQUID MEDIUM OF THE GROUP CONSISTING OF CHLOROALKANES, CHLOROALKENES, BROMOALKANES, BROMOALKENES, STANNIC TETRACHLORIDE, ND SILICON TETRACHLORIDE.
Claim 2
Dependent Claim
104 words
IN A PROCESS FOR POLYMERISING AN ETHYLENICALLY UNSATURATED HYDROCARBON OF THE GROUP CONSISTING OF A ALKENE CONTAINING 2-5 CARBON ATOMS, BUTADIENE, STYRENE, ALPHA-METHYLSTYRENE, AND MIXTURES THEREOF AT 0-60* C, UNDER A PRESSURE OF 1-300 ATMOSPHERES, THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE POLYMERISATION IN CONTACT WITH A CATALYST CONSISTING OF (A) AN ALUMINUM HALIDE OF THE GROUP CONSISTING OF ALUMINUM BROMIDE, ALUMINUMCHLORIDE, AND MIXTURES THEREOF AND (B) A MERCURIC COMPOUND OF THE GROUP CONSISTING OF DIPHENYLMERCURY, DITOLYLMERCURY, DI(AR-CHLOROPHENYL)-MERCURY, PHENYLMERCURICHLORIDE, TOLYLMERCURICHLORIDE, AR-CHLOROPHENYLMERCURICHLORIDE, AND MIXTURES THEREOF IN THE PRESENCE OF A LIQUID MEDIUM OF THE GROUP CONSISTING OF CHLOROALKANES, CHLOROALKENES, BROMOALKANES, BROMOALKENES, STANNIC TETRACHLORIDE, ND SILICON TETRACHLORIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |