US3333038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for wet pelletizing carbon black
Assignee: Continental Carbon Co
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Filing: 1965-01-18
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Granted: 1967-07-25
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Carl M Walenciak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:36
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; B; B01; B01J; B01J2/00; B01J2/10; C01; C01P; C01P2004/00; C01P2004/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF PELLETIZING CARBON BLACK WHICH INCLUDES INTRODUCING CARBON BLACK AND A PORTION OF THE TOTAL WATER REQUIRED TO PELLETIZE SAID BLACK NTO A PRELIMINARY MIXING CHAMBER; MOVING FLOCCULENT CARBON AND WATER THROUGH SAID CHAMER WHILE IMPARTING AGITATIONAL MOVEMENT THERETO; TRANSFERRING SAID MOISTENED AND AGITATED CARBON BLACK TO A WET PELLETIZING-MIXING BOX; INTRO-
Claim 2
Independent Claim
54 words
THE METHOD OF PELLETIZING CARBON BLACK WHICH INCLUDES INTRODUCING CARBON BLACK AND A PORTION OF THE TOTAL WATER REQUIRED TO PELLETIZE SAID BLACK NTO A PRELIMINARY MIXING CHAMBER; MOVING FLOCCULENT CARBON AND WATER THROUGH SAID CHAMER WHILE IMPARTING AGITATIONAL MOVEMENT THERETO; TRANSFERRING SAID MOISTENED AND AGITATED CARBON BLACK TO A WET PELLETIZING-MIXING BOX; INTRO-
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |