US2768909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating surface with transparent film and product resulting therefrom
Assignee: EIDP Inc
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Filing: 1953-07-28
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Granted: 1956-10-30
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Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 John H Haslam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/49; B; B32; B32B; B32B27/00; C09; C09J; C09J7/00; C09J7/10; C09J2467/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A METHOD OF COATING A SOLID SURFACE WITH AN INSOLUBLE, TRANSPARENT, FLEXIBLE, ADHERENT POLYMERIC OXIDE FILM NOT MORE THAN ONE MICRON THICK, WHICH COMPRISES APPLYING TO SAID SURFACE A LAYER OF A HYDROLYZABLE ORGANIC ESTER CONTAINING FROM 1 TO 8 CARBON ATOMS PER ORGANIC RADICAL OF A METAL FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM CONTAINING FROM ABOUT .0003 TO .0375 GRAM MOLECULE OF ESTER PER SQUARE METER OF SAID SURFACE, AND CONTACTING THE APPLIED ESTER LAYER, WHILE HAVING PRESENT THEREIN NOT MORE THAN A MINOR AMOUNT OF A VOLATIBLE SOLVENT FOR SAID ESTER, WITH WATER VAPOR UNTIL SUBSTANTIAL HYDROLYSIS AND POLYMERIZATION OF SAID ESTER ON SAID SURFACE IS EFFECTED.
Claim 2
Independent Claim
111 words
A METHOD OF COATING A SOLID SURFACE WITH AN INSOLUBLE, TRANSPARENT, FLEXIBLE, ADHERENT POLYMERIC OXIDE FILM NOT MORE THAN ONE MICRON THICK, WHICH COMPRISES APPLYING TO SAID SURFACE A LAYER OF A HYDROLYZABLE ORGANIC ESTER CONTAINING FROM 1 TO 8 CARBON ATOMS PER ORGANIC RADICAL OF A METAL FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM CONTAINING FROM ABOUT .0003 TO .0375 GRAM MOLECULE OF ESTER PER SQUARE METER OF SAID SURFACE, AND CONTACTING THE APPLIED ESTER LAYER, WHILE HAVING PRESENT THEREIN NOT MORE THAN A MINOR AMOUNT OF A VOLATIBLE SOLVENT FOR SAID ESTER, WITH WATER VAPOR UNTIL SUBSTANTIAL HYDROLYSIS AND POLYMERIZATION OF SAID ESTER ON SAID SURFACE IS EFFECTED.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |