Patent US2749254A successfully refreshed from Google Patents.
US2749254A
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Protective coating method
Assignee: Battelle Development Corp
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Filing: 1952-04-22
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Granted: 1956-06-05
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Expires: 1972-04-22
Abstract
No abstract record available.
Inventors
- 👤 John A Slyh
- 👤 James F Lynch
- 👤 Roger J Runck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:38
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5053; C04B41/5062; C04B41/5071; C04B41/80; C04B41/81; C04B41/85; C04B41/87; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF FORMING A PROTECTIVE COATING ON A GRAPHITE SURFACE COMPRISING THE ADDITION TO AN AQUEOUS SOLUTION OF A WATER-SOLUBLE ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A PHENOLIC RESIN AND METHYL CELLULOSE, OF MOLYBEDNUM DISILICIDE POWDER, APPLYING THE RESULTANT DISPERSION OF SAID GRAPHITE SURFACE, AND THEREAFTER HEATING IN AN OXYGEN-FREE ATMOSPHERE TO A TEMPERATURE OF FROM 3900 TO 4100* F.
Claim 2
Dependent Claim
63 words
THE PROCESS OF FORMING A PROTECTIVE COATING ON A GRAPHITE SURFACE COMPRISING THE ADDITION TO AN AQUEOUS SOLUTION OF A WATER-SOLUBLE ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A PHENOLIC RESIN AND METHYL CELLULOSE, OF MOLYBEDNUM DISILICIDE POWDER, APPLYING THE RESULTANT DISPERSION OF SAID GRAPHITE SURFACE, AND THEREAFTER HEATING IN AN OXYGEN-FREE ATMOSPHERE TO A TEMPERATURE OF FROM 3900 TO 4100* F.
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) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |