US3050494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising an olefin polymer, carbon black, and a dithiobisbenzothiazole, and process for curing same
Assignee: Phillips Petroleum Co
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Filing: 1958-10-30
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Granted: 1962-08-21
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Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Archie L Robbins
- 👤 Kenneth R Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:38
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COMPOSITION OF MATTER COMPRISING, AS THE SOLE POLYMERIC MATERIAL, A SOLID HYDROCARBON POLYMER OF A 1-OLEFIN OF 2 TO 8 CARBON ATOMS, AT LEAST 25 PARTS BY WEIGHT OF CARBON BLACK PER 100 PARTS OF SAID SOLID POLYMER, THE AMOUNT OF SAID BLACK BEING SUFFICIENT TO CHANGE APPRECIABLY THE PROPERTIES OF SAID SOLID POLYMER, AND AS THE SOLE CURING AGENT AN AMOUNT SUFFICIENT TO CURE SAID SOLID POLYMER OF A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
75 words
A COMPOSITION OF MATTER COMPRISING, AS THE SOLE POLYMERIC MATERIAL, A SOLID HYDROCARBON POLYMER OF A 1-OLEFIN OF 2 TO 8 CARBON ATOMS, AT LEAST 25 PARTS BY WEIGHT OF CARBON BLACK PER 100 PARTS OF SAID SOLID POLYMER, THE AMOUNT OF SAID BLACK BEING SUFFICIENT TO CHANGE APPRECIABLY THE PROPERTIES OF SAID SOLID POLYMER, AND AS THE SOLE CURING AGENT AN AMOUNT SUFFICIENT TO CURE SAID SOLID POLYMER OF A COMPOUND OF THE STRUCTURE
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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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |