US3346549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing an oil soluble sulfur and halogen containing olefin polymer and product
Assignee: BP PLC
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Filing: 1964-06-03
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Granted: 1967-10-10
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Ford John Frederick
- 👤 Forbes Eric Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:07
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/04; C07; C07G; C07G99/00; C07G99/002; C07G99/0022; C08; C08F; C08F10/00; C08F8/00; C08F8/34; C08F8/38; C08G; C08G75/00; C10M2221/00; C10M2221/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
108 words
A METHOD OF PREPARING AN OIL SOLUBLE, SULPHURAND HALOGEN-CONTAINING OLEFIN POLYMER, WHICH COMPRISES: REACTING A FEED OLEFIN SELECTED FROM THE GROUP CONSISTING OF METHYL-SUBSTITUTED ALPHA-BUTENE, METHYL-SUBSTITUTED ALPHA-PENTENE, AND METHYL-SUBSTITUTED ALPHA-HEXENE WITH A SULPHUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULPHUR CHLORIDES, SULPHUR OXYCHLORIDES, SULPHUR BROMIDES AND SULPHUR OXYBROMIDES IN THE PRESENCE OF A FRIEDEL CRAFTS CATALYST AND AT A TEMPERATURE WITHIN THE RANGE OF 50* TO -120*C., WHEREIN THE SAID SULPHUR COMPOUND IS PRESENT IN AN AMOUNT FROM 0.1-25 MOLES PER 100 MOLES OF SAID FEED OLEFIN AND WHEREIN THE MOLAR AMOUNT OF SAID FRIEDEL CRAFTS CATALYST IS GREATER THAN THE MOLAR AMOUNT OF SAID SULPHUR COMPOUND.
Claim 2
Independent Claim
108 words
A METHOD OF PREPARING AN OIL SOLUBLE, SULPHURAND HALOGEN-CONTAINING OLEFIN POLYMER, WHICH COMPRISES: REACTING A FEED OLEFIN SELECTED FROM THE GROUP CONSISTING OF METHYL-SUBSTITUTED ALPHA-BUTENE, METHYL-SUBSTITUTED ALPHA-PENTENE, AND METHYL-SUBSTITUTED ALPHA-HEXENE WITH A SULPHUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULPHUR CHLORIDES, SULPHUR OXYCHLORIDES, SULPHUR BROMIDES AND SULPHUR OXYBROMIDES IN THE PRESENCE OF A FRIEDEL CRAFTS CATALYST AND AT A TEMPERATURE WITHIN THE RANGE OF 50* TO -120*C., WHEREIN THE SAID SULPHUR COMPOUND IS PRESENT IN AN AMOUNT FROM 0.1-25 MOLES PER 100 MOLES OF SAID FEED OLEFIN AND WHEREIN THE MOLAR AMOUNT OF SAID FRIEDEL CRAFTS CATALYST IS GREATER THAN THE MOLAR AMOUNT OF SAID SULPHUR COMPOUND.
Claim 3
Dependent Claim
13 words
A SULPHUR- AND HALOGEN-CONTAIANING POLYMER PREPARED BY A METHOD ACCORDING TO CLAIM 1.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |