US2980744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of viscous polymers
Assignee: Sunoco Inc
•
Filing: 1959-12-18
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Granted: 1961-04-18
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Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 Sterling E Voltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:40
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
POLYMERIZATION METHOD FOR FORMING VISCOUS POLYMERS WHICH COMPRISES CONTACTING, UNDER POLYMERIZING CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 0-150* C. AND IN AN INERT HYDROCARBON LIQUID MEDIUM, AN ALPHA MONOOLEFIN HAVING THE FORMULA
Claim 2
Dependent Claim
34 words
POLYMERIZATION METHOD FOR FORMING VISCOUS POLYMERS WHICH COMPRISES CONTACTING, UNDER POLYMERIZING CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 0-150* C. AND IN AN INERT HYDROCARBON LIQUID MEDIUM, AN ALPHA MONOOLEFIN HAVING THE FORMULA
References Cited (Backward Citations)
US2082518A
Cited
US2387517A
Cited
US2417872A
Cited
GB682420A
Cited
US2909512A
Cited
US2827446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |