Patent US2506198A successfully refreshed from Google Patents.
US2796362A
Expired / Lapsed
US
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Surface treatment
Assignee: Wyeth Holdings LLC
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Filing: 1955-06-29
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Granted: 1957-06-18
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Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 William M Wooding
- 👤 Jen Yun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; C03; C03C; C03C17/00; C03C17/28; C03C17/32; C04B41/45; C04B41/46; C04B41/48; C04B41/4811; C04B41/60; C04B41/61; C04B41/62; C04B41/63; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/31678; Y10T428/31688; Y10T428/31942; Y10T428/31949; Y10T428/31953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AS AN ARTICLE OF MANUFACTURE, A SOLID BASE MATERIAL HAVING AT A SURFACE THEREOF A SMALL BUT EFFECTIVE AMOUNT OF AN ANCHOR AGENT FOR SUBSEQUENTLY APPLIED TOPCOAT MATERIAL, SAID AGENT BEING AN INSOLUBLE GEL FORMED BY DRYING BEYOND ITS GEL POINT A FORMERLY WATER-DISPERSIBLE CATIONIC MELAMINE-FORMALDEHYDE -POLYALKYLENE-POLYAMINE RESIN CONTAINING MORE THAN 5 MOLS OF COMBINED FORMALDEHYDE PER MOL OF MELAMINE, THE RATIO OF THE NUMBER OF NITROGEN ATOMS IN SAID POLYALKYLENEPOLYAMINE TO THE NUMBER OF MOLS OF SAID MELAMINE BEING BETWEEN ABOUT 0.3:1 AND 10:1.
Claim 2
Dependent Claim
85 words
AS AN ARTICLE OF MANUFACTURE, A SOLID BASE MATERIAL HAVING AT A SURFACE THEREOF A SMALL BUT EFFECTIVE AMOUNT OF AN ANCHOR AGENT FOR SUBSEQUENTLY APPLIED TOPCOAT MATERIAL, SAID AGENT BEING AN INSOLUBLE GEL FORMED BY DRYING BEYOND ITS GEL POINT A FORMERLY WATER-DISPERSIBLE CATIONIC MELAMINE-FORMALDEHYDE -POLYALKYLENE-POLYAMINE RESIN CONTAINING MORE THAN 5 MOLS OF COMBINED FORMALDEHYDE PER MOL OF MELAMINE, THE RATIO OF THE NUMBER OF NITROGEN ATOMS IN SAID POLYALKYLENEPOLYAMINE TO THE NUMBER OF MOLS OF SAID MELAMINE BEING BETWEEN ABOUT 0.3:1 AND 10:1.
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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |