US3294736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefins stabilized with bisphenols and organic phosphites containing mercapto groups
Assignee: Millennium Petrochemicals Inc
•
Filing: 1963-08-23
•
Granted: 1966-12-27
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Carl N Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A POLYMER OF AN ALIPHATIC MONO ALPHA OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS PER MOLECULE STABILIZED WITH FROM ABOUT 0.05 TO 0.5 PART BY WEIGHT PER HUNDRED PARTS OF POLYMER OF SYNERGISTIC COMBINATION OF AN ALKYLATED BISPHENOL AND A TRIALKYLMERCAPTOALKYL PHOSPHITE.
Claim 2
Dependent Claim
43 words
A POLYMER OF AN ALIPHATIC MONO ALPHA OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS PER MOLECULE STABILIZED WITH FROM ABOUT 0.05 TO 0.5 PART BY WEIGHT PER HUNDRED PARTS OF POLYMER OF SYNERGISTIC COMBINATION OF AN ALKYLATED BISPHENOL AND A TRIALKYLMERCAPTOALKYL PHOSPHITE.
References Cited (Backward Citations)
NL66455C
Cited
US2587616A
Cited
US2995539A
Cited
US2967845A
Cited
US3149093A
Cited
US2972597A
Cited
US3053803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |