Patent US3206419A successfully refreshed from Google Patents.
US3206419A
Expired / Lapsed
US
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Dispersion of carbon black in polyolefins
Assignee: Phillips Petroleum Co
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Filing: 1960-07-22
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Granted: 1965-09-14
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Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 James E Pritchard
- 👤 Archie L Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K3/00; C08K3/02; C08K3/04; C08K9/00; C08K9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A SOLID POLYMERIC COMPOSITION COMPRISING A SOLID POLYOLEFIN FORMED BY POLYMERIZING AT LEAST ONE 1-OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS PER MOLECULE AND HAVING UNIFORMLY DISPERSED THEREIN (1) FROM ABOUT 0.1 TO ABOUT 5 WEIGHT PERCENT FINELY DIVIDED CARBON BLACK AND (2) FROM ABOUT 0.15 TO ABOUT 12 WEIGHT PERCENT OF AT LEAST ONE POLAR MATERIAL SELECTED FROM THE GROUP CONSISTING OF MONOHYDROC AND POLYHYDRIC ALCOHOLS, ETHER ALCOHOLS, SULFONATED HIGH MOLECULAR WEIGHT FATTY ACIDS, AND ESTERS AND POLYESTERS HAVING FREE HYDROXYL GROUPS AND CARBOXYL GROUPS, SAID POLAR MATERIALS BEING INCOMPATIBLE WITH SAID POLYOLEFIN AND BEING FURTHER CHARACTERIZED AS MATERIALS SOLUBLE IN WATER AND ESSENTIALLY INSOLUBLE IN HYDROCARBONS AND NON-VOLATILE AT THE TEMPERATURE AT WHICH THE CARBON BLACK AND POLAR MATERIAL ARE INCORPORATED INTO SAID POLYOLEFIN.
Claim 2
Dependent Claim
127 words
A SOLID POLYMERIC COMPOSITION COMPRISING A SOLID POLYOLEFIN FORMED BY POLYMERIZING AT LEAST ONE 1-OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS PER MOLECULE AND HAVING UNIFORMLY DISPERSED THEREIN (1) FROM ABOUT 0.1 TO ABOUT 5 WEIGHT PERCENT FINELY DIVIDED CARBON BLACK AND (2) FROM ABOUT 0.15 TO ABOUT 12 WEIGHT PERCENT OF AT LEAST ONE POLAR MATERIAL SELECTED FROM THE GROUP CONSISTING OF MONOHYDROC AND POLYHYDRIC ALCOHOLS, ETHER ALCOHOLS, SULFONATED HIGH MOLECULAR WEIGHT FATTY ACIDS, AND ESTERS AND POLYESTERS HAVING FREE HYDROXYL GROUPS AND CARBOXYL GROUPS, SAID POLAR MATERIALS BEING INCOMPATIBLE WITH SAID POLYOLEFIN AND BEING FURTHER CHARACTERIZED AS MATERIALS SOLUBLE IN WATER AND ESSENTIALLY INSOLUBLE IN HYDROCARBONS AND NON-VOLATILE AT THE TEMPERATURE AT WHICH THE CARBON BLACK AND POLAR MATERIAL ARE INCORPORATED INTO SAID POLYOLEFIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |