US3117104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of polyolefins
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-06-29
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Granted: 1964-01-07
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Delos E Bown
- 👤 Richard T Moravek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/24; C08K5/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A STABLE COMPOSITION WHICH COMPRISES A MAJOR AMOUNT OF A SOLID POLYMER OF AN ALPHA OLEFIN HAVING 2 TO 8 CARBON ATOMS IN THE MOLECULE CONTAINING A CONTAMINATING AMAOUNT OF A MULTIVALENT METAL TENDING TO PROMOTE OXIDATION AND A MINOR AMOUNT EFFECTIVE TO COUNTERACT THE ADVERSE EFFECT OF SAID METAL OF AN OXALDIHYDROZIDE HAVING THE FORMULA:
Claim 2
Dependent Claim
56 words
A STABLE COMPOSITION WHICH COMPRISES A MAJOR AMOUNT OF A SOLID POLYMER OF AN ALPHA OLEFIN HAVING 2 TO 8 CARBON ATOMS IN THE MOLECULE CONTAINING A CONTAMINATING AMAOUNT OF A MULTIVALENT METAL TENDING TO PROMOTE OXIDATION AND A MINOR AMOUNT EFFECTIVE TO COUNTERACT THE ADVERSE EFFECT OF SAID METAL OF AN OXALDIHYDROZIDE HAVING THE FORMULA:
References Cited (Backward Citations)
US2956982A
Cited
US3027408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |