US3013904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substrate having an organic polymer containing pentavalent phosphorus bonded thereto
Assignee: EIDP Inc
•
Filing: 1959-04-13
•
Granted: 1961-12-19
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Martin E Cupery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:18
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/41; D21H17/42; D21H17/43; B; B32; B32B; B32B27/00; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/45; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/31504; Y10T428/31786; Y10T442/00; Y10T442/20; Y10T442/2279; Y10T442/2861; Y10T442/2885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SUBSTRATE BEARING A BASECOAT OF WATER-INSOLUBLE POSITIVELY CHARGED COLLOIDAL METAL OXIDE PARTICLES IN THE AMOUNT OF FROM 0.1 TO 5% BY WEIGHT BASED ON THE SUBSTRATE, SAID PARTICLES HAVING LARGEST AVERAGE DIAMETERS OF LESS THAN ABOUT 1 MICRON AND HAVING AN AVERAGE SPECIFIC SURFACE AREA OF AT LEAST 10 SQUARE METERS PER GRAM AND SAID OXIDE BEING AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, ZIRCONIUM, TITANIUM, CHROMIUM, IRON AND TIN, AND A TOPCOAT OF ANIONIC ORGANIC POLYMER CONTAINING PENTAVALENT PHOSPHORUS, SAID ORGANIC POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 500 AND HAVING AT LEAST 1/2 WEIGHT PERCENT OF PENTAVALENT PHOSPHORUS, AND SAID SUBSTRATE BEING NEGATIVELY CHARGED WITH RESPECT TO THE COLLOIDAL METAL OXIDE PARTICLES.
Claim 2
Dependent Claim
121 words
A SUBSTRATE BEARING A BASECOAT OF WATER-INSOLUBLE POSITIVELY CHARGED COLLOIDAL METAL OXIDE PARTICLES IN THE AMOUNT OF FROM 0.1 TO 5% BY WEIGHT BASED ON THE SUBSTRATE, SAID PARTICLES HAVING LARGEST AVERAGE DIAMETERS OF LESS THAN ABOUT 1 MICRON AND HAVING AN AVERAGE SPECIFIC SURFACE AREA OF AT LEAST 10 SQUARE METERS PER GRAM AND SAID OXIDE BEING AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, ZIRCONIUM, TITANIUM, CHROMIUM, IRON AND TIN, AND A TOPCOAT OF ANIONIC ORGANIC POLYMER CONTAINING PENTAVALENT PHOSPHORUS, SAID ORGANIC POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 500 AND HAVING AT LEAST 1/2 WEIGHT PERCENT OF PENTAVALENT PHOSPHORUS, AND SAID SUBSTRATE BEING NEGATIVELY CHARGED WITH RESPECT TO THE COLLOIDAL METAL OXIDE PARTICLES.
References Cited (Backward Citations)
US2323387A
Cited
US2915475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |