US3823113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polyvinyl acetal interlayers
Assignee: Monsanto Co
•
Filing: 1972-10-27
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Granted: 1974-07-09
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Expires: 1992-10-27
Abstract
Abstract DISLCLOSED HEREIN ARE POLYVINYL ACETAL RESINS, SUITABLE FOR USE AS INTERLAYERS FOR PELLUCID LAMINATES WHICH CONTAIN A SYNERGISTIC MIXTURE OF 2,6-DI-N-OCTADECYL-P-CRESOL STABILIZERS AND AN ALKYLATED HYDROXY PHENYL BENZOTRIAZOLE.
Inventors
- 👤 A Reisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:17
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10339; B32B17/1055; B32B17/10761; C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472; C08K5/3475; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |