Patent US3716510A successfully refreshed from Google Patents.
US3716510A
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Sealant composition
Assignee: Standard Oil Co
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Filing: 1968-01-02
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Granted: 1973-02-13
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Expires: 1988-01-02
Abstract
Abstract A SEALANT COMPOSITION SUITABLE FOR HEAT SEALING ELEC TRICAL CONDUITS YET NOT FORM A PERMANENT BOND WITHOUT HEAT SEALING, IS MADE FROM ABOUT 65 TO 85 WEIGHT PERCENT OF ATACTIC POLYPROPYLENE OR ATACTIC PROPYLENEETHYLENE COPOLYMER, 5 TO 15 WEIGHT PERCENT OF CARBON BLACK, 5 TO 10 WEIGHT PERCENT OF ASPHALT AND 5 TO 20 WEIGHT PERCENT OF PETROLEUM MINERAL OIL.
Inventors
- 👤 S Belak
- 👤 L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:59
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/10; C08; C08L; C08L2666/00; C08L2666/02
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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |