US3256238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers stabilized with dibenzoate esters of diphenolic compounds
Assignee: Monsanto Co
•
Filing: 1963-02-07
•
Granted: 1966-06-14
•
Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Constantine E Anagnostopoulos
- 👤 Aubert Y Coran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:47
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/143; C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/105; C08K5/107; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOSITION COMPRISING A POLYMER SELECTED FROM THE CLASS CONSISTING OF NATURAL AND SYNTHETIC, LINEAR AND CROSS-LINKED POLYMERS, AND A STABILIZING AMOUNT OF A COMPOUND OF THE FORMULA,
Claim 2
Dependent Claim
28 words
A COMPOSITION COMPRISING A POLYMER SELECTED FROM THE CLASS CONSISTING OF NATURAL AND SYNTHETIC, LINEAR AND CROSS-LINKED POLYMERS, AND A STABILIZING AMOUNT OF A COMPOUND OF THE FORMULA,
References Cited (Backward Citations)
US3196185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |