US3499884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nucleation of 1-olefin polymers with nylon salts
Assignee: Phillips Petroleum Co
•
Filing: 1967-02-10
•
Granted: 1970-03-10
•
Expires: 1987-02-10
Abstract
No abstract record available.
Inventors
- 👤 Harold V Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3107228A
Cited
US3320334A
Cited
US2991264A
Cited
US3207736A
Cited
US3207735A
Cited
US3207738A
Cited
US3207737A
Cited
US3207739A
Cited
US3359346A
Cited
US3326880A
Cited
US3327021A
Cited
US3327020A
Cited
US3331888A
Cited
US3322739A
Cited
US3367926A
Cited
US3361843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |