US3130071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for increasing the scratch resistance of glass by treatment with titanium lactate polymer
Assignee: EIDP Inc
•
Filing: 1961-03-23
•
Granted: 1964-04-21
•
Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 William H Brockett
- 👤 Dettre Robert Harold
- 👤 Jr Charles Louis Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:57
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR INCREASING THE SCRATCH RESISTANCE OF A GLASS BODY IN THE BELT LINE PRODUCTION OF GLASS ARTICLES WHICH COMPRISES WETTING THE SURFACE OF SAID BODY WITH A THIN LAYER OF AN ESSENTIALLY NEUTRAL AQUEOUS SOLUTIONS OF A WATER-SOLUBLE WATER-STABLE TITANIUM LACTATE POLYMER AS OBTAINED BY REACTION A TERTRAALKYL TITANATE WITH AQUEOUS LACTIC ACID, SUBJECTING THE WETTED GLASS TO HEATING AT A TEMPERATURE SUFFICIENT TO ANNEAL THE GLASS BUT BELOW THAT AT WHICH PERCEPTIBLE DEFORMATION OF THE SHAPE OF THE GLASS BODY STEPS IN, COOLING THE GLASS BODY AND IMMEDIATELY AFTER COOLING SAID GLASS BODY ALLOWING THE GLASS BODY TO STAND AT REST IN OPEN AIR FOR NOT LESS THAN 30 MINUTES BEFORE EXPOSING THE SAME TO HANDLING WHEREIN RUBBING OF THE GLASS BODY AGAINST OTHER GLASS BODIES IS LIKELY TO OCCUR.
Claim 2
Dependent Claim
133 words
A PROCESS FOR INCREASING THE SCRATCH RESISTANCE OF A GLASS BODY IN THE BELT LINE PRODUCTION OF GLASS ARTICLES WHICH COMPRISES WETTING THE SURFACE OF SAID BODY WITH A THIN LAYER OF AN ESSENTIALLY NEUTRAL AQUEOUS SOLUTIONS OF A WATER-SOLUBLE WATER-STABLE TITANIUM LACTATE POLYMER AS OBTAINED BY REACTION A TERTRAALKYL TITANATE WITH AQUEOUS LACTIC ACID, SUBJECTING THE WETTED GLASS TO HEATING AT A TEMPERATURE SUFFICIENT TO ANNEAL THE GLASS BUT BELOW THAT AT WHICH PERCEPTIBLE DEFORMATION OF THE SHAPE OF THE GLASS BODY STEPS IN, COOLING THE GLASS BODY AND IMMEDIATELY AFTER COOLING SAID GLASS BODY ALLOWING THE GLASS BODY TO STAND AT REST IN OPEN AIR FOR NOT LESS THAN 30 MINUTES BEFORE EXPOSING THE SAME TO HANDLING WHEREIN RUBBING OF THE GLASS BODY AGAINST OTHER GLASS BODIES IS LIKELY TO OCCUR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |