US3737482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizable blend of a polyacrylate with a butadiene polymer
Assignee: Phillips Petroleum Co
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Filing: 1971-05-17
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Granted: 1973-06-05
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Expires: 1991-05-17
Abstract
Abstract A VULCANIZABLE ELASTOMER COMPOSITION COMPRISING AT LEAST ONE POLYMERIZED ELASTOMERIC ESTER OF ACRYLIC ACID HAVING A WEIGHT PERCENT IN THE RANGE OF ABOUT 50 TO ABOUT 95, THE ESTER MOIETY THEREOF BEING AN ALKYL RADICAL IN THE RANGE OF 1-10 CARBON ATOMS PER MOLECULE AND ANOTHER CONSTITUENT HAVING A WEIGHT PERCENT IN THE RANGE OF ABOUT 5 TO ABOUT 50 AND BEING ONE OF A HOMOPOLYMER OF BUTADIENE OR A COPOLYMER OF BUTADIENE-STYRENE.
Inventors
- 👤 D Kelly
- 👤 C Gerdes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:22
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L53/00; C08L53/02
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) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |