US3825515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving the property profile of rubber-polymer systems
Assignee: Wyeth Holdings LLC
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Filing: 1973-06-13
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Granted: 1974-07-23
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Expires: 1993-06-13
Abstract
Abstract THE INCORPORATED OF ADIALKYL PHTHALATE INTO RUBBERPOLYMER COMPOSITION COMPONENT BEFORE THE BLENDING DEVOLATILIZATION AND EXTRUSION THEREOF HAS BEEN FOUND TO IMPROVE THE PROPERLY PROFILE OF THE RESULTANT SYSTEMS.
Inventors
- 👤 H Lucas
- 👤 R Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:54
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/14; B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/76; C08J; C08J3/00; C08J3/005; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; B29C48/03; C08L51/00; C08L51/04
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |