US3157531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of carbonaceous solid bodies
Assignee: Ethyl Corp
•
Filing: 1960-01-21
•
Granted: 1964-11-17
•
Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Norman Vello
- 👤 Thomas P Whaley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:41
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/80; C04B41/81; C04B41/85; C04B41/88; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR THE PREPARATION OF A HETEROGENEOUS METAL PLATED GRAPHITE BODY WHICH PROCESS COMRPISES: (1) HEATING A POROUS GRAPHIT BODY HAVING AN APPARENT POROSITY RANGING FROM 1 TO ABOUT 50 PERCENT TO A TEMPRERATURE OF FROM ABOUT 400*C. TO ABOUT 700*C., (2) CONTACTING SAID HEATED POROUS GRAPHITE BODY WITH THE VAPORS OF A GROUP VI-B METAL HEXACARBONYL COMPOUND IN A NON-OXIDIZING ATMOSPHERE TO COAT THE INTERSTITIAL SURFACE AREAS DEFINING THE PORES OF THE GRAPHITE BODY, AND (3) CONTINUALLY CONTACTING THE HEATED GRAPHITE BODY WITH SAID COMPOUND IN A NON-OXIDIZING ATMOSPHERE TO EFFECT THEREON A COATING RNGING FROM ABOUT 0.01 TO ABOUT 50 MILS THICK.
Claim 2
Dependent Claim
105 words
A PROCESS FOR THE PREPARATION OF A HETEROGENEOUS METAL PLATED GRAPHITE BODY WHICH PROCESS COMRPISES: (1) HEATING A POROUS GRAPHIT BODY HAVING AN APPARENT POROSITY RANGING FROM 1 TO ABOUT 50 PERCENT TO A TEMPRERATURE OF FROM ABOUT 400*C. TO ABOUT 700*C., (2) CONTACTING SAID HEATED POROUS GRAPHITE BODY WITH THE VAPORS OF A GROUP VI-B METAL HEXACARBONYL COMPOUND IN A NON-OXIDIZING ATMOSPHERE TO COAT THE INTERSTITIAL SURFACE AREAS DEFINING THE PORES OF THE GRAPHITE BODY, AND (3) CONTINUALLY CONTACTING THE HEATED GRAPHITE BODY WITH SAID COMPOUND IN A NON-OXIDIZING ATMOSPHERE TO EFFECT THEREON A COATING RNGING FROM ABOUT 0.01 TO ABOUT 50 MILS THICK.
References Cited (Backward Citations)
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Cited
US2200846A
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US2698812A
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US2602033A
Cited
US2913357A
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US2995471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |