US3262835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass
Assignee: Monsanto Co
•
Filing: 1964-11-20
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Granted: 1966-07-26
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Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 Lavin Edward
- 👤 Joseph G Martins
- 👤 George E Mont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10761; B32B17/10605; B32B17/10688; C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN AN IMPROVED PLASTICIZED POLYVINYL ACETAL INTERLAYER, HAVING A MOISTURE CONTACT OF FROM ABOUT 0.1 TO .8% AND A VINYL ALCOHOL CONTENT OF FROM ABOUT 9 TO 30% BY WEIGHT BASED ON THE WEIGHT OF THE POLYVINYL ACETAL THE IMPROVEMENT WHICH COMPRISES INCORPORATING SUFFICIENT POTASSIUM FORMATE INTO THE INTERLAYER TO PRODUCE AN ALKALINITY TITER OF FROM ABOUT 25 TO 40.
Claim 2
Dependent Claim
60 words
IN AN IMPROVED PLASTICIZED POLYVINYL ACETAL INTERLAYER, HAVING A MOISTURE CONTACT OF FROM ABOUT 0.1 TO .8% AND A VINYL ALCOHOL CONTENT OF FROM ABOUT 9 TO 30% BY WEIGHT BASED ON THE WEIGHT OF THE POLYVINYL ACETAL THE IMPROVEMENT WHICH COMPRISES INCORPORATING SUFFICIENT POTASSIUM FORMATE INTO THE INTERLAYER TO PRODUCE AN ALKALINITY TITER OF FROM ABOUT 25 TO 40.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |