US3271234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass
Assignee: Monsanto Co
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Filing: 1965-09-21
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Granted: 1966-09-06
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Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 Lavin Edward
- 👤 George E Mont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10688; B32B17/10761; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 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% BY WEIGHT AND CONTAINING SUFFICIENT SALTS OF ORGANIC ACIDS TO PRODUCE AN ALKALINITY TITER OF AT LEAST 10, SAID SALTS BEING A MIXTURE OF AT LEAST ONE METAL ACETATE AND AT LEAST BEING A MIXTURE OF AT LEAST ONE METAL ACETATE AND THE SUBSTITUTED ACETIC ACID PORTION IS SELECTED FROM HE GROUP CONSISTING OF GLYCINE, GLYCOLIC ACID, CHLOROACETIC ACID, PHENYLACETIC ACID, AND PHENOXYMETHYL ACETIC ACID, WHEREIN, IN EACH INSTANCE, THE METAL PORTION IS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS, SAID MIXTURE CONTAINING SUFFICIENT METAL ACETATE TO PRODUCE AN ALKALINITTY TITER OF AT LEAST ABOUT 5 AND UP TO ABOUT 95% 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 |