US3396046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent dispersion of silica particles and treatment of polyester and polycarbonate substrates therewith
Assignee: Ozalid Co Ltd
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Filing: 1963-08-19
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Granted: 1968-08-06
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Landau Raphael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/0423; C08J7/043; C08J7/056; C08J7/06; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259; Y10T428/31504; Y10T428/31507; Y10T428/31786
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A COMPOSITION FOR TREATING THE SURFACE OF POLYESTER AND POLYCARBONATE MATERIALS, SAID COMPOSITION COMPRISING AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 0.01% TO ABOUT 10% BY WEIGHT OF SILICA OF A PARTICLE SIZE NOT GREATER THAN 5 MICRONS, FROM ABOUT 0.1% TO 20% BY WEIGHT OF A CHLOR-SUBSTITUTED ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF TRICHLOROACETIC, TRICHOROPROPIONIC AND DICHLOROACETIC ACIDS, AND FROM ABOUT 0.05% TO 0.2% BY WEIGHT OF A SULPHONATED OIL WETTING AGENT.
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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |