US3767607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber sealant composition
Assignee: Continental Can Co Inc
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Filing: 1971-08-31
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Granted: 1973-10-23
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Expires: 1991-08-31
Abstract
Abstract STABLE, THIXOTROPIC SEALING COMPOSITIONS SUITABLE FOR USE AS CONTAINER END GASKET AND SEALANT MATERIALS ARE PREPARED FROM A SOLIDS MIXTURE OF A RUBBER COMPOUND, A TACKIFYING RESIN, AND A SURFACE ACTIVE FILLER, THE SOLIDS MIXTURE BEING DISPERSED IN A WATER-IMMISCIBLE ORGANIC SOLVENT WHICH IS A SOLVENT FOR THE RUBBER COMPOSITION, THE FILLER HAVING BEEN TREATED WITH AN AMOUNT OF WATER SUFFCIENT TO CAUSE COMPLETE HYDRATION OF THE FILLER.
Inventors
- 👤 J Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:27
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/34; Y; Y10; Y10S; Y10S524/00; Y10S524/925
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |