US3123487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
process for dispersing carbon black particles
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2006/00; C01P2006/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PROCESS FOR THE MANUFACTURE OF BINARY MIXTURES OF A PREDETERMINED COMPOSITION CONSISTING OF CARBON BLACK PARTICLES SELECTED FROM THE GROUP CONSISTING OF FURNACE BLACK PARTICLES AND CHANNEL BLACK PARTICLES, DISPERSED IN A CONTINUOUS MEDIUM, SAID PARTICLES BEINGFORMED BY INCOMPLETE COMBINATION OF HYDROCARBONS IN A VESSEL FED WITH AIR, SAID CARBON BLACK PARTICLES BEING SURROUNDED BY COMBUSTION GASES AFTER THEY HAVE BEEN FORMED, SAID CONTINUOUS MEDIUM BEING SELECTED FROM THE GROUP CONSISTING OF STEARIC ACID, PINE TAR, ESTERS, PETROLEUM OILS, SYNTHETIC OILS, SICCATIVE OILS, AND OIL VARNISHES, SAID CONTINUOUS MEDIUM BEING LIQUID AT THE OPERATING TEMPERATURES OF THE PROCESS AND CAPABLE OF COATING THE INDIVIDUAL PARTICLES OF SAID CARBON BLACK, SAID PROCESS COMPRISING CONTINUOUSLY CIRCULATING SAID CONTINUOUS MEDIUM IN A LIQUID CONDITION WITHIN
Claim 2
Dependent Claim
123 words
A PROCESS FOR THE MANUFACTURE OF BINARY MIXTURES OF A PREDETERMINED COMPOSITION CONSISTING OF CARBON BLACK PARTICLES SELECTED FROM THE GROUP CONSISTING OF FURNACE BLACK PARTICLES AND CHANNEL BLACK PARTICLES, DISPERSED IN A CONTINUOUS MEDIUM, SAID PARTICLES BEINGFORMED BY INCOMPLETE COMBINATION OF HYDROCARBONS IN A VESSEL FED WITH AIR, SAID CARBON BLACK PARTICLES BEING SURROUNDED BY COMBUSTION GASES AFTER THEY HAVE BEEN FORMED, SAID CONTINUOUS MEDIUM BEING SELECTED FROM THE GROUP CONSISTING OF STEARIC ACID, PINE TAR, ESTERS, PETROLEUM OILS, SYNTHETIC OILS, SICCATIVE OILS, AND OIL VARNISHES, SAID CONTINUOUS MEDIUM BEING LIQUID AT THE OPERATING TEMPERATURES OF THE PROCESS AND CAPABLE OF COATING THE INDIVIDUAL PARTICLES OF SAID CARBON BLACK, SAID PROCESS COMPRISING CONTINUOUSLY CIRCULATING SAID CONTINUOUS MEDIUM IN A LIQUID CONDITION WITHIN
References Cited (Backward Citations)
US1263082A
Cited
GB348174A
Cited
US2232426A
Cited
US2290914A
Cited
US2544363A
Cited
US2793101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |