Patent US3720340A successfully refreshed from Google Patents.
US3720340A
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US
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Bottle constructed of a blend of polymers from methacrylonitrile,monovinylidene and rubber compounds
Assignee: Monsanto Co
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Filing: 1971-02-11
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Granted: 1973-03-13
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Expires: 1991-02-11
Abstract
Abstract DISCLOSED HEREIN ARE PACKAGING MATERIALS HAVING OXYGEN PERMEABILITY OF NO MORE THAN 3.0 CC./100 SQ. IN./24 HR./ ATOMS/MIL AT 73*F. AND WATER PERMEABILITY OF NO MORE THAN 3.0 GMS./24 HR./100 SQ. IN./MIL AT 73*. THE MATERIALS ARE BASED UPON INTERPOLYMERS OF METHACRYLONITRILE WITH AT LEAST ONE MONOVINYLIDENE AROMATIC COMPOUND WHEREIN THE METHACRYLONITRILE CONSTITUTES 70-98% BY WEIGHT OF THE INTERPOLYMER.
Inventors
- 👤 Y Lee
- 👤 Q Trementozzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:41
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/22; B; B65; B65D; B65D65/00; B65D65/38; B65D81/00; B65D81/24; C08F; C08F20/00; C08F20/02; C08F20/42; C08F20/50; C08F236/00; C08F236/02; C08F236/04; C08F279/00; C08F279/02; C08F279/04; C08F291/00; C08F291/02; C08L51/00; C08L51/04; C08L55/00; C08L55/02; Y; Y10; Y10S; Y10S206/00; Y10S206/805; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352
Claims Analysis
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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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |