US3042649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition including a saturated hydrocarbon polymer stabilized with oxygenated or sulfurized carbon black
Assignee: AT&T Inc
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Filing: 1958-05-02
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Granted: 1962-07-03
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Expires: 1978-05-02
Abstract
No abstract record available.
Inventors
- 👤 Walter L Hawkins
- 👤 Field H Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:16
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C08K9/00; C08K9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A COMPOSITION COMPRISING AN ESSENTIALLY SATURATED HYDROCARBON POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, POLYBUTENE-1, POLY-3-METHYL BUTENE-1, POLY-4-METHYL PENTENE-1, POLY-4,4DIMETHYL PENTENE-1, POLYDODECENE-1, POLY-3-METHYL PENTENE-1, COPOLYMERS OF ETHYLENE AND AN ALPHA-OLEFIN SELECTED FROM THE GROUP CONSISTING OF PROPANE AND BUTENE-1, AND COPOLYMERS OF STYRENE AND ISOBUTYLENE, AND CARBON BLACK PARTICLES OF A MAXIMUM SIZE OF 1000 ANGSTROMS CONTAINED IN AN AMOUNT OF FROM 0.5 PERCENT TO 5 PERCENT BY WEIGHT OF THE SAID POLYMERIC MATERIAL, THE SAID CARBON BLACK PARTICLES BEING SELECTED FROM THE GROUP CONSISTING OF OXYGENATED CHANNEL CARBON BLACK PARTICLES, OXYGENATED FURNACE CARBON BLACK PARTICLES, SULFURIZED CHANNEL CARBON BLACK PARTICLES, AND SULFURIZED FURNACE CARBON BLACK PARTICLES, THE SAID OXYGENATED CARBON BLACK PARTICLES HAVING A VOLATILE CONTENT OF AT LEAST 10 PERCENT ESSENTIALLY RESULTING FROM OXYGENATION, AND THE SAID SULFURIZED CARBON BLACK PARTICLES HAVING A SULFUR CONTENT OF AT LEAST 1 PERCENT BY WEIGHT, THE SAID SULFUR CONTENT AS DETERMINABLE BY ANALYSIS AFTER TOLUENE EXTRACTION.
Claim 2
Dependent Claim
158 words
A COMPOSITION COMPRISING AN ESSENTIALLY SATURATED HYDROCARBON POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, POLYBUTENE-1, POLY-3-METHYL BUTENE-1, POLY-4-METHYL PENTENE-1, POLY-4,4DIMETHYL PENTENE-1, POLYDODECENE-1, POLY-3-METHYL PENTENE-1, COPOLYMERS OF ETHYLENE AND AN ALPHA-OLEFIN SELECTED FROM THE GROUP CONSISTING OF PROPANE AND BUTENE-1, AND COPOLYMERS OF STYRENE AND ISOBUTYLENE, AND CARBON BLACK PARTICLES OF A MAXIMUM SIZE OF 1000 ANGSTROMS CONTAINED IN AN AMOUNT OF FROM 0.5 PERCENT TO 5 PERCENT BY WEIGHT OF THE SAID POLYMERIC MATERIAL, THE SAID CARBON BLACK PARTICLES BEING SELECTED FROM THE GROUP CONSISTING OF OXYGENATED CHANNEL CARBON BLACK PARTICLES, OXYGENATED FURNACE CARBON BLACK PARTICLES, SULFURIZED CHANNEL CARBON BLACK PARTICLES, AND SULFURIZED FURNACE CARBON BLACK PARTICLES, THE SAID OXYGENATED CARBON BLACK PARTICLES HAVING A VOLATILE CONTENT OF AT LEAST 10 PERCENT ESSENTIALLY RESULTING FROM OXYGENATION, AND THE SAID SULFURIZED CARBON BLACK PARTICLES HAVING A SULFUR CONTENT OF AT LEAST 1 PERCENT BY WEIGHT, THE SAID SULFUR CONTENT AS DETERMINABLE BY ANALYSIS AFTER TOLUENE EXTRACTION.
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |