Patent US3119801A successfully refreshed from Google Patents.
US3119801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of olefin polymers fkom
Assignee: —
•
Filing: —
•
Granted: 1964-01-28
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Expires: 1981-01-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:23
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/16; C08J11/00; C08J11/04; C08J11/06; C08J11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
IN A PROCESS FOR THE REMOVAL OF SOLID OLEFIN POLYMERS FROM HYDROCARBON SOLUTION THEREOF BY COOLING TO BELOW THE PRECIPITATION POINT THE IMPROVEMENT COMPRISING MECHANICALLY AGITATING SAID POLYMER SOLUTION CONTAINING PRECIPITATED POLYMER FOR A PERIOD OF TIME SUFFICIENT TO FORM POLYMER IN A FIBROUS FORM.
Claim 2
Dependent Claim
45 words
IN A PROCESS FOR THE REMOVAL OF SOLID OLEFIN POLYMERS FROM HYDROCARBON SOLUTION THEREOF BY COOLING TO BELOW THE PRECIPITATION POINT THE IMPROVEMENT COMPRISING MECHANICALLY AGITATING SAID POLYMER SOLUTION CONTAINING PRECIPITATED POLYMER FOR A PERIOD OF TIME SUFFICIENT TO FORM POLYMER IN A FIBROUS FORM.
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |