Patent US3084128A successfully refreshed from Google Patents.
US3084128A
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Coating composition comprising microcrystalline wax, polyisobutylene, polyethylene and a resin, and aluminum foil coated therewith
Assignee: Alcoa Corp
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Filing: 1959-08-17
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Granted: 1963-04-02
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 James E Stillwagon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31801
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A COMPOSITION FOR USE AS A HEAT SEAL COATING COMPRISING BY WEIGHT APPROXIMATELY 64% MICROCRYSTALLINE WAX HAVING A MELTING POINT OF ABOUT 190 TO 195*F., 22% MICROCRYSTALLINE WAX HAVING A MELTING POINT OF ABOUT 170 TO 175*FF., 5% POLYISOBUTYLENE OF A MOLECULAR WEIGHT OF ABOVE ABOUT 80,000, 5% POLYETHYLENE OF A MOLECULAR WEIGHT OF ABOVE ABOUT 18,000 1% CYCLIZED RUBBER, AND 3% GLYCEROL ESTER OF HYDROGENATED ROSIN, SAID COATING BEING CHARACTERIZED BY THE ABILITY TO ADHERE TO ALUMINUM FOIL AND FURTHER BY RESISTANCE TO BLOCKING AT 120*F.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |