Patent US2967169A successfully refreshed from Google Patents.
US2967169A
Expired / Lapsed
US
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Stabilized polypropylene
Assignee: Sunoco Inc
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Filing: 1958-07-02
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Granted: 1961-01-03
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Expires: 1978-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul E Oberdorfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A COMPOSITION OF MATTER COMPRISING A SOLID POLYMER OF PROPYLENE AND FROM ABOUT 0.02% TO ABOUT 3% BY WEIGHT OF A COMPOUND HAVING THE GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
27 words
A COMPOSITION OF MATTER COMPRISING A SOLID POLYMER OF PROPYLENE AND FROM ABOUT 0.02% TO ABOUT 3% BY WEIGHT OF A COMPOUND HAVING THE GENERAL STRUCTURAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |