US3297598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber composition
Assignee: Uniroyal Inc
•
Filing: 1963-06-05
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Granted: 1967-01-10
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Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 George S Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:58
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/16; C08L21/00; C08L23/18; C08L23/20; C08L23/22; C08L7/00; C08L9/00; C08L9/06; C08L63/00; C08L63/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A RUBBER COMPOSITION CONSISTNG ESSENTIALLY OF 100 PARTS OF RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL HEVEA RUBBER, COPOLYMERS OF A MAJOR PROPORTION OF BUTADIENE AND A MINOR PROPORTION OF STYRENE, COPOLYMERS OF A MAJOR PROPORTION OF ISOBUTYLENE AND A MINOR PROPORTION OF A CONJUGATED DIENE, TERPOLYMERS OF ETHYLENE AND PROPYLENE WITH A MINOR PROPORTION OF A NON-CONJUGATED DIENE, 1,4-POLYBUTADIENE AND 1,4-POLYISOPRENE; 40 TO 100 PARTS OF A HYDRATED SILICA REINFORCING FILLER HAVING A PARTICLE SIZE NOT GREATER THAN 1 MICRON AND A DEGREE OF HYDRATION THAT IS NOT LESS THAN THAT REPRESENTED BY 0.02 GRAM OF MOISTURE PER 100 SQUARE METERS OF SURFACE AREA; AND 1 TO 10 PARTS OF AN EPOXY RESIN SELECTED FROM THE GROUP CONSISTING OF CONDENSATION PRODUCTS OF EPICHLORHYDRIN AND A DIPHENOL, EPOXIDIZED POLYOLEFINES, AND CONDENSATION PRODUCTS OF EPICHLORHYDRIN AND A POLYHYDIC ALCOHOL.
Claim 2
Dependent Claim
139 words
A RUBBER COMPOSITION CONSISTNG ESSENTIALLY OF 100 PARTS OF RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL HEVEA RUBBER, COPOLYMERS OF A MAJOR PROPORTION OF BUTADIENE AND A MINOR PROPORTION OF STYRENE, COPOLYMERS OF A MAJOR PROPORTION OF ISOBUTYLENE AND A MINOR PROPORTION OF A CONJUGATED DIENE, TERPOLYMERS OF ETHYLENE AND PROPYLENE WITH A MINOR PROPORTION OF A NON-CONJUGATED DIENE, 1,4-POLYBUTADIENE AND 1,4-POLYISOPRENE; 40 TO 100 PARTS OF A HYDRATED SILICA REINFORCING FILLER HAVING A PARTICLE SIZE NOT GREATER THAN 1 MICRON AND A DEGREE OF HYDRATION THAT IS NOT LESS THAN THAT REPRESENTED BY 0.02 GRAM OF MOISTURE PER 100 SQUARE METERS OF SURFACE AREA; AND 1 TO 10 PARTS OF AN EPOXY RESIN SELECTED FROM THE GROUP CONSISTING OF CONDENSATION PRODUCTS OF EPICHLORHYDRIN AND A DIPHENOL, EPOXIDIZED POLYOLEFINES, AND CONDENSATION PRODUCTS OF EPICHLORHYDRIN AND A POLYHYDIC ALCOHOL.
References Cited (Backward Citations)
US3027337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |