US3271235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass
Assignee: Monsanto Co
•
Filing: 1965-09-21
•
Granted: 1966-09-06
•
Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 Lavin Edward
- 👤 George E Mont
- 👤 Aubrey F Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:16
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10688; B32B17/10761; C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
AN IMPROVED LAMINATED SAFETY-GLASS COMPRISING TWO LAYERS OF GLASS BONDED TO A PLASTICIZED POLYVINYL ACETAL INTERLAYER; SAID INTERLAYER HAVING A MOISTURE CONTENT OF 0.2 TO 0.8% AND CONTAINING SUFFICIENT METAL ALKYL CARBOXYLATE TO PRODUCE AN ALKALINITY TITER OF 10 TO 100, SAID METAL ALKYL CARBOXYLATE BEING A MIXTURE OF POTASSIUM ALKYL CARBOXYLATE AND AT LEAST ONE METAL ALKYL CARBOXYLATE WHEREIN THE METAL PORTION IS SELECTED FROM THE GROUP CONSISTING OF GROUPS II-A, I-B, II-B, IV-A, VII-B AND VII OF THE PERIODIC TABLE, AND THE ALKYL CARBOXYLATE PORTION IS SELECTED FROM THE GROUP CONSISTING OF FORMATE, ACETATEM, PROPIONATE AND BUTYRATE, SAID MIXTURE CONTAINING SUFFICIENT POTASSIUM ALKYL CARBOXYLATE TO PRODUCE AN ALKALINITY TITER OF AT LEAST ABOUT 5 AND UP TO 96% OF THE TOTAL ALKALINITY TITER.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |