US2969340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preventing the separation of polyethylene and wax comprising the addition of water
Assignee: Gulf Research and Development Co
•
Filing: 1958-05-09
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Granted: 1961-01-24
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 John J Kaufman
- 👤 Philip R Templin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR PREVENTING THE SEPARATION AND SETTLING OUT OF POLYETHYLENE FROM A MIXTURE COMPRISING ABOUT 0.25 TO ABOUT 20 PERCENT BY WEIGHT OF SAID POLYETHYLENE AND ABOUT 80 TO ABOUT 99.75 PERCENT BY WEIGHT OF PARAFFIN WAX WHICH HAS BEEN HEATED TO A TEMPERATURE ABOVE ABOUT 95*C., WHICH COMPRISES ADDING AT LEAST ABOUT 1/1000 TO ABOUT 1/10 PERCENT BY WEIGHT OF WATER TO SAID MIXTURE WHILE SAID MIXTURE IS AT A TEMPERATURE OF ABOUT 82* TO ABOUT 93*C.
Claim 2
Dependent Claim
79 words
A PROCESS FOR PREVENTING THE SEPARATION AND SETTLING OUT OF POLYETHYLENE FROM A MIXTURE COMPRISING ABOUT 0.25 TO ABOUT 20 PERCENT BY WEIGHT OF SAID POLYETHYLENE AND ABOUT 80 TO ABOUT 99.75 PERCENT BY WEIGHT OF PARAFFIN WAX WHICH HAS BEEN HEATED TO A TEMPERATURE ABOVE ABOUT 95*C., WHICH COMPRISES ADDING AT LEAST ABOUT 1/1000 TO ABOUT 1/10 PERCENT BY WEIGHT OF WATER TO SAID MIXTURE WHILE SAID MIXTURE IS AT A TEMPERATURE OF ABOUT 82* TO ABOUT 93*C.
References Cited (Backward Citations)
US2733225A
Cited
US2551087A
Cited
US2642366A
Cited
US2728735A
Cited
US2758100A
Cited
US2828219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |