US2980633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon and graphite articles
Assignee: Union Carbide Corp
•
Filing: 1957-03-05
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Granted: 1961-04-18
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Expires: 1977-03-05
Abstract
No abstract record available.
Inventors
- 👤 James O Koehler
- 👤 Lamprey Headlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR PRODUCING SHAPED CARBONACEOUS ARTICLES, WHICH COMPRISES MIXING FINELY DIVIDED CARBONACEOUS PARTICLES WITH AN ORGANIC BINDER, AND FROM 0.1 PERCENT TO 5 PERCENT BY WEIGHT OF AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF THE CARBOXYLATES OF TIN, SILICON AND LEAD, THE AMINOALCOHOL AND POLYHYDRIC ALCOHOL DERIVATIVES OF TIN, LEAD, SILICON AND ZIRCONIUM AND MIXTURES THEREOF, AND FORMING THE RESULTING MIXTURE INTO PREDETERMINATE SHAPE, SAID CARBOXYLATES HAVING THE FORMULA:
Claim 2
Dependent Claim
73 words
A PROCESS FOR PRODUCING SHAPED CARBONACEOUS ARTICLES, WHICH COMPRISES MIXING FINELY DIVIDED CARBONACEOUS PARTICLES WITH AN ORGANIC BINDER, AND FROM 0.1 PERCENT TO 5 PERCENT BY WEIGHT OF AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF THE CARBOXYLATES OF TIN, SILICON AND LEAD, THE AMINOALCOHOL AND POLYHYDRIC ALCOHOL DERIVATIVES OF TIN, LEAD, SILICON AND ZIRCONIUM AND MIXTURES THEREOF, AND FORMING THE RESULTING MIXTURE INTO PREDETERMINATE SHAPE, SAID CARBOXYLATES HAVING THE FORMULA:
References Cited (Backward Citations)
US2446387A
Cited
US2563285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |