Patent US1607624A successfully refreshed from Google Patents.
US2930726A
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Composition comprising pitch and chlorinated polyolefin, article prepared therefrom, and method of making
Assignee: Phillips Petroleum Co
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Filing: 1956-07-09
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Granted: 1960-03-29
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Rufus V Jones
- 👤 Johnny N Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:06
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08L; C08L95/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31815; Y10T428/31819; Y10T428/31823; Y10T428/31971; Y10T428/31989; Y10T428/31993; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3626
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A COMPOSITION COMPRISING A BLEND OF PITCH SELECTED FROM THE GROUP CONSISTING OF PETROLEUM PITCH AND COAL TAR PITCH AND A HALOGENATED SOLID POLYMER OF A 1-OLEFIN CONTAINING NO MORE THAN 8 CARBON ATOMS PER MOLECULE AND NO BRANCUING NEARER THE DOUBLE BOND THAN THE 4POSITION WHEREIN THE HALOGENATED POLYMER CONTAINS FROM 10 TO 50 WEIGHT PERCENT HALOGEN.
Claim 2
Dependent Claim
58 words
A COMPOSITION COMPRISING A BLEND OF PITCH SELECTED FROM THE GROUP CONSISTING OF PETROLEUM PITCH AND COAL TAR PITCH AND A HALOGENATED SOLID POLYMER OF A 1-OLEFIN CONTAINING NO MORE THAN 8 CARBON ATOMS PER MOLECULE AND NO BRANCUING NEARER THE DOUBLE BOND THAN THE 4POSITION WHEREIN THE HALOGENATED POLYMER CONTAINS FROM 10 TO 50 WEIGHT PERCENT HALOGEN.
References Cited (Backward Citations)
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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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |