US3117016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of carbon black
Assignee: UNITED CARBON Co
•
Filing: 1961-06-22
•
Granted: 1964-01-07
•
Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Norman L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:52
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C09C1/50; C01; C01P; C01P2006/00; C01P2006/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A CARBON BLACK COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF TWO CARBON BLACKS THE FIRST OF WHICH CARBON BLACKS HAS A LOWER MODULUS VALUE AND A HIGHER ABRASION RESISTANCE VALUE THAN THE SECOND OF SAID CARBON BLACKS, THE RATIO OF SAID SECOND CARBON BLACK TO SAID FIRST CARBON BLACK BEING AT LEAST 1:1 WHEREBY SAID MIXTURE HAS A PRESELECTED MODULUS VALUE INTERMEDIATE THE MODULUS VALUES OF SAID TWO CARBON BLACKS AND AN ABRASION RESISTANCE VALUE SUBSTANTIALLY THE SAME AS THAT OF SAID SECOND CARBON BLACK.
Claim 2
Dependent Claim
85 words
A CARBON BLACK COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF TWO CARBON BLACKS THE FIRST OF WHICH CARBON BLACKS HAS A LOWER MODULUS VALUE AND A HIGHER ABRASION RESISTANCE VALUE THAN THE SECOND OF SAID CARBON BLACKS, THE RATIO OF SAID SECOND CARBON BLACK TO SAID FIRST CARBON BLACK BEING AT LEAST 1:1 WHEREBY SAID MIXTURE HAS A PRESELECTED MODULUS VALUE INTERMEDIATE THE MODULUS VALUES OF SAID TWO CARBON BLACKS AND AN ABRASION RESISTANCE VALUE SUBSTANTIALLY THE SAME AS THAT OF SAID SECOND CARBON BLACK.
References Cited (Backward Citations)
US3010794A
Cited
US3010795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |