US3262836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass
Assignee: Monsanto Co
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Filing: 1964-12-03
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Granted: 1966-07-26
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Lavin Edward
- 👤 George E Mont
- 👤 Joseph G Martins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:19
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
70 words
IN AN IMPROVED PLASTICIZED POLYVINYL ACETAL INTERLAYER, HAVING A MOISTURE CONTENT OF FROM ABOUT 0.1 TO 0.8% 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 SALTS OF DICARBOXYLIC ACID OF FROM 4 TO 9 CARBON ATOMS INTO THE INTERLAYER TO PRODUCE AN ALKALINITY TITER OF FROM ABOUT 25 TO 40.
Claim 2
Dependent Claim
70 words
IN AN IMPROVED PLASTICIZED POLYVINYL ACETAL INTERLAYER, HAVING A MOISTURE CONTENT OF FROM ABOUT 0.1 TO 0.8% 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 SALTS OF DICARBOXYLIC ACID OF FROM 4 TO 9 CARBON ATOMS 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 |