US3277045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene stabilized with substituted pyrimidins
Assignee: Montedison SpA
•
Filing: 1962-06-25
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Granted: 1966-10-04
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Bonvicini Alberto
- 👤 Caldo Cornelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/20; C22B34/22; C01; C01G; C01G31/00; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3462; C08K5/36; C08K5/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A POLYMERIC COMPOSITION WHICH IS ATABLE AGAINST THE ACTION OF HEAT, AGING AND LIGHT, COMPRISING POLYPROPYLENE AND A SUBSTITUTED PYRIMIDINE OF THE FORMULA
Claim 2
Dependent Claim
23 words
A POLYMERIC COMPOSITION WHICH IS ATABLE AGAINST THE ACTION OF HEAT, AGING AND LIGHT, COMPRISING POLYPROPYLENE AND A SUBSTITUTED PYRIMIDINE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |