Patent US597286A successfully refreshed from Google Patents.
Patent US3634293A successfully refreshed from Google Patents.
US3634293A
Expired / Lapsed
US
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Compositions containing bitumen and an olefin polymer
Assignee: BASF SE
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Filing: 1969-08-25
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Granted: 1972-01-11
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Expires: 1989-08-25
Abstract
Abstract COMPOSITION CONTAINING BITUMEN, AN OLEFIN POLYMER, A BASIC SUBSTANCE AND SULFUR.
Inventors
- 👤 Eckhard Bonitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:31
CPC Classifications
C; C08; C08L; C08L95/00; C08K; C08K3/00; C08K3/02; C08K3/04; C08K3/06; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K3/26; C08K5/00; C08K5/04; C08K5/14; C08K5/16; C08K5/17; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/10; C08L79/00; C08L2312/00
Claims Analysis
Total Claims: 0
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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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |