Patent US2645601A successfully refreshed from Google Patents.
US2645601A
Expired / Lapsed
US
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Treatment of paraffins with aluminum bromide
Assignee: Phillips Petroleum Co
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Filing: 1949-06-22
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Granted: 1953-07-14
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Expires: 1969-06-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:28
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/06; C10G29/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE PROCESS FOR LOWERING THE POUR POINT OF AN PARAFFINIC MATERIAL WHICH COMPRISES MAINTAINING TOGETHER SAID MATERIAL AND A LOW-BOILING SATURATED HYDROCARBON WITH A SUBSTANTIAL PROPORTION OF ALIUMINUM BROMIDE AT A TEMPERATURE IN THE APPROXIMATE RANGE 10* C-100* C. FOR A PERIOD OF TIME SUFFICIENT TO CAUSE A LOWERING OF ITS POUR POINT.
Claim 2
Dependent Claim
53 words
THE PROCESS FOR LOWERING THE POUR POINT OF AN PARAFFINIC MATERIAL WHICH COMPRISES MAINTAINING TOGETHER SAID MATERIAL AND A LOW-BOILING SATURATED HYDROCARBON WITH A SUBSTANTIAL PROPORTION OF ALIUMINUM BROMIDE AT A TEMPERATURE IN THE APPROXIMATE RANGE 10* C-100* C. FOR A PERIOD OF TIME SUFFICIENT TO CAUSE A LOWERING OF ITS POUR POINT.
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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |