US3444115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin-white pigment composition stabilized with mixtures of a fatty acid and an ultraviolet light stabilizer
Assignee: Phillips Petroleum Co
•
Filing: 1965-06-25
•
Granted: 1969-05-13
•
Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Donald G Needham
- 👤 George R Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/13; C08K5/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2462331A
Cited
US2655492A
Cited
US2708215A
Cited
US3017238A
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US3188298A
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US3324060A
Cited
US3325441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |