US2951052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light stabilizer mixture
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-03-31
•
Granted: 1960-08-30
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Darby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:50
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A MIXTURE CONTAINING A PHOSPHITE ESTER OF THE STRUCTURE:
Claim 2
Dependent Claim
9 words
A MIXTURE CONTAINING A PHOSPHITE ESTER OF THE STRUCTURE:
References Cited (Backward Citations)
US2464250A
Cited
US2477609A
Cited
US2572571A
Cited
US2564646A
Cited
US2671064A
Cited
US2752319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |