US3140192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon black process and product
Assignee: Cabot Corp
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Filing: 1960-10-31
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Granted: 1964-07-07
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Merrill E Jordan
- 👤 Harvey M Cole
- 👤 William G Burbine
- 👤 David L Petterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:09
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; C01; C01P; C01P2002/00; C01P2002/50; C01P2002/52; C01P2006/00; C01P2006/19
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
A PROCESS FOR MAKING CARBON BLACK COMPRISING DECOMPOSING AN ESSENTIALLY HYDROCARBON RAW MATERIAL IN A CONVERSION ZONE MAINTAINED AT FREE CARBON FORMING CONDITIONS WHILE SIMULTANEOUSLY SUPPLYING TO THE SAID CONVERSION ZONE PER MILLION PARTS BY WEIGHT OF SAID RAW MATERIAL AMOUNTS ABOVE ABOUT 500 UP TO ABOUT 200,000 PARTS BY WEIGHT OF AN ADDITIVE CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, IODINE, BROMINE, FLUORINE AND MIXTURES OF THESE, SAID ADDITIVES BEING SUPPLIED TO SAID ZONE IN THE ELEMENTAL FORM.
Claim 2
Dependent Claim
79 words
A PROCESS FOR MAKING CARBON BLACK COMPRISING DECOMPOSING AN ESSENTIALLY HYDROCARBON RAW MATERIAL IN A CONVERSION ZONE MAINTAINED AT FREE CARBON FORMING CONDITIONS WHILE SIMULTANEOUSLY SUPPLYING TO THE SAID CONVERSION ZONE PER MILLION PARTS BY WEIGHT OF SAID RAW MATERIAL AMOUNTS ABOVE ABOUT 500 UP TO ABOUT 200,000 PARTS BY WEIGHT OF AN ADDITIVE CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, IODINE, BROMINE, FLUORINE AND MIXTURES OF THESE, SAID ADDITIVES BEING SUPPLIED TO SAID ZONE IN THE ELEMENTAL FORM.
Claim 3
Dependent Claim
66 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF CARBON BLACK AND AN AMOUNT OF FROM ABOUT 100 TO ABOUT 100,000 PARTS PER MILLION PARTS BY WEIGHT OF THE CARBON BLACK OF A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, IODINE, FLUORINE AND MIXTURES OF ANY OF THESE, SAID SUBSTANCE BEING INTIMATELY ASSOCIATED WITH AND UNIFORMLY DISTRIBUTED WITHIN THE CRYSTAL STRUCTURE OF THE SAID CARBON BLACK.
Claim 4
Dependent Claim
66 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF CARBON BLACK AND AN AMOUNT OF FROM ABOUT 100 TO ABOUT 100,000 PARTS PER MILLION PARTS BY WEIGHT OF THE CARBON BLACK OF A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, IODINE, FLUORINE AND MIXTURES OF ANY OF THESE, SAID SUBSTANCE BEING INTIMATELY ASSOCIATED WITH AND UNIFORMLY DISTRIBUTED WITHIN THE CRYSTAL STRUCTURE OF THE SAID CARBON BLACK.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |