US2955096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making oil extended synthetic rubber and carbon black masterbatches
Assignee: Uniroyal Inc
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Filing: 1954-04-26
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Granted: 1960-10-04
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Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 Woodrow W White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:50
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/205; C08J3/21; C08J3/215; C08J2309/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF PREPARING AN OIL-CARBON BLACK SYNTHETIC RUBBER MASTERBATCH WHICH COMPRISES INTIMATELY MIXING THE OIL AND CARBON BLACK IN THE ABSENCE OF WATER, DISPERSING THE THUS PREPARED OIL AND CARBON BLACK MIXTURE IN WATER WITH AN ANIONIC DISPERSING AGENT TO FORM AN ANIONIC DISPERSION OF OIL-COATED CARBON BLACK PARTICLES, MIXING THE THUS FORMED OIL-CARBON BLACK DISPERSION WITH AN ANIONIC BUTADIENE POLYMER SYNTHETIC RUBBER LATEX, AND CO-COAGULATING THE SYNTHETIC RUBBER AND OIL AND CARBON BLACK.
Claim 2
Independent Claim
75 words
THE METHOD OF PREPARING AN OIL-CARBON BLACK SYNTHETIC RUBBER MASTERBATCH WHICH COMPRISES INTIMATELY MIXING THE OIL AND CARBON BLACK IN THE ABSENCE OF WATER, DISPERSING THE THUS PREPARED OIL AND CARBON BLACK MIXTURE IN WATER WITH AN ANIONIC DISPERSING AGENT TO FORM AN ANIONIC DISPERSION OF OIL-COATED CARBON BLACK PARTICLES, MIXING THE THUS FORMED OIL-CARBON BLACK DISPERSION WITH AN ANIONIC BUTADIENE POLYMER SYNTHETIC RUBBER LATEX, AND CO-COAGULATING THE SYNTHETIC RUBBER AND OIL AND CARBON BLACK.
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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |