US3272891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing polymers with alkenoylamido- and phenylbenzatriazoles
Assignee: Wyeth Holdings LLC
•
Filing: 1964-10-14
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Granted: 1966-09-13
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Expires: 1984-10-14
Abstract
No abstract record available.
Inventors
- 👤 Milionis Jerry Peter
- 👤 Hardy William Baptist
- 👤 Jr William Frederick Baitinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472; C08K5/3475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A COMPOSITION COMPRISING 0.01 TO 2.0% OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
21 words
A COMPOSITION COMPRISING 0.01 TO 2.0% OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUND 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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |