US3105825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of compounding rubber
Assignee: Texaco Development Corp
•
Filing: 1959-09-21
•
Granted: 1963-10-01
•
Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 William M Stratford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:58
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR THE PRODUCTION OF A DISPERSION OF CARBON BLACK IN OIL EXTENDED RUBBER WHICH COMPRISES EFFECTING REACTION BETWEEN A LIQUID HYDROCARBON, STEAM AND OXYGEN AT AN AUTOGENOUS TEMPERATURE WITHIN THE RANGE OF ABOUT 1800 TO 3500*F. IN RELATIVE PROPORTIONS SUCH THAT CARBON MONOXIDE AND HYDROGEN ARE THE PRINCIPAL GASEOUS PRODUCTS AND AT LEAST 0.5 PERCENT AND NOT MORE THAN 10.0 PERCENT OF THE CARBON CONTAINED IN SAID HYDROCARBON IS LIBERATED AS A CARBON BLACK BY PRODUCT ENTRAINED IN SAID GASEOUS PRODUCTS, CONTACTING SAID GASEOUS PRODUCTS AND ENTRAINED CARBON BLACK WITH A RUBBER PROCESSING OIL AND FORMING A SLURRY CONSISTING ESSENTIALLY OF CARBON BLACK IN OIL, ADMIXING SAID SLURRY WITH LIQUID RUBBER LATEX, AND COAGULATING SAID LATEX FORMING A RUBBER CRUMB COMPRISING A DISPERSION OF SAID CARBON BLACK IN OIL EXTENDED RUBBER.
Claim 2
Dependent Claim
133 words
A PROCESS FOR THE PRODUCTION OF A DISPERSION OF CARBON BLACK IN OIL EXTENDED RUBBER WHICH COMPRISES EFFECTING REACTION BETWEEN A LIQUID HYDROCARBON, STEAM AND OXYGEN AT AN AUTOGENOUS TEMPERATURE WITHIN THE RANGE OF ABOUT 1800 TO 3500*F. IN RELATIVE PROPORTIONS SUCH THAT CARBON MONOXIDE AND HYDROGEN ARE THE PRINCIPAL GASEOUS PRODUCTS AND AT LEAST 0.5 PERCENT AND NOT MORE THAN 10.0 PERCENT OF THE CARBON CONTAINED IN SAID HYDROCARBON IS LIBERATED AS A CARBON BLACK BY PRODUCT ENTRAINED IN SAID GASEOUS PRODUCTS, CONTACTING SAID GASEOUS PRODUCTS AND ENTRAINED CARBON BLACK WITH A RUBBER PROCESSING OIL AND FORMING A SLURRY CONSISTING ESSENTIALLY OF CARBON BLACK IN OIL, ADMIXING SAID SLURRY WITH LIQUID RUBBER LATEX, AND COAGULATING SAID LATEX FORMING A RUBBER CRUMB COMPRISING A DISPERSION OF SAID CARBON BLACK IN OIL EXTENDED RUBBER.
References Cited (Backward Citations)
US2585659A
Cited
US2719135A
Cited
US2955097A
Cited
GB803993A
Cited
US2769795A
Cited
US2943064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |