US3297631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel phenolic phosphorus stabilizers for polyolefins
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-10-24
•
Granted: 1967-01-10
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Delos E Bown
- 👤 Robert I Mcdougall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65744; C08K5/51; C08K5/52; C08K5/527
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A COMPOSITION CONTAINING A SOLID POLYOLEFIN OF AN ALPHA OLEFIN HAVING 2 TO 8 CARBON ATOMS IN THE MOLECULE AND COMPOUND SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
27 words
A COMPOSITION CONTAINING A SOLID POLYOLEFIN OF AN ALPHA OLEFIN HAVING 2 TO 8 CARBON ATOMS IN THE MOLECULE AND COMPOUND SELECTED FROM THE GROUP CONSISTING OF:
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |