Patent US3687879A successfully refreshed from Google Patents.
US3687879A
Expired / Lapsed
US
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Coating composition of an epoxy resin,an aromatic sulfonamide,a silicone resin and a cross-linking catalyst
Assignee: EIDP Inc
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Filing: 1970-12-16
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Granted: 1972-08-29
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Expires: 1990-12-16
Abstract
Abstract THE NOVEL COATING COMPOSITION IS A MIXTURE OF A LOW MOLECULAR WEIGHT EPOXY RESIN, AN AROMATIC SULFONAMIDE, E.G., NCYCLOHEXYLTOLUENE SULFONAMIDE, A REACTIVE SILICONE RESIN AND A CROSS-LINKING CATALYST, E.G., ZINC OCTOATE. THE COATING COMPOSITION HAS EXCELLENT RELEASE PROPERTIES, STAIN RESISTANCE, WATER REPELLENCY, AND IS USEFUL AS A RELEASE COATING FOR ICECUBE TRAYS, FOR BAKEWARE AND COOKWARE, AND CAN BE UTILIZED TO COAT SINKS, OVEN PARTS AND AS A CLEAR COATING FOR HARDWARE. RIS SELECTED FROM THE GROUP EONSSSRDSEDDDAND S13 .0 DE2 - . AND RQHU 15SRDSE;DDZDR5TED4GROUP CONSISTING
Inventors
- 👤 Joseph A Vasta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/44; C08G59/444; C08L; C08L63/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |