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US3595622A
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Carbon black reactor
Assignee: Phillips Petroleum Co
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Filing: 1969-05-12
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Granted: 1971-07-27
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Expires: 1989-05-12
Abstract
Abstract ING REACTANTS OR, ALTERNATELY, FOR THE REMOVAL OF CARBON BLACK PRODUCED IN THE OPPOSED REACTOR. A UNITARY CARBON BLACK REACTOR CONSTRUCTED OF TWO CARBON BLACK REACTORS CONNECTIVELY POSITIONED IN OPPOSED DISCHARGE, EACH BEING ADAPTED PROXIMATE ITS FEED INTRODUCTION END FOR THE INTRODUCTION OF CARBON BLACK-PRODUC-
Inventors
- 👤 Paul H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:27
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; B; B01; B01J; B01J19/00; B01J19/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |