US2729608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite elastomers containing chlorosulfonated polymers of ethylene
Assignee: EIDP Inc
•
Filing: 1951-05-10
•
Granted: 1956-01-03
•
Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Strain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:40
CPC Classifications
C; C08; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMPOSITION OF MATTER, HIGHLY RESISTANT TO DETERIORATION BY THE ACTION OF OXYGEN, OZONE AND OXIDIZING AGENTS, COMPRISING A HOMOGENEOUS MIXTURE OF A CHLOROSULFONATED NORMALLY SOLID POLYMER OF ETHYLENE AND AN UNSATURATED ELASTOMER OF THE GROUP CONSISTING OF NATURAL RUBBER, ISOMERIZED RUBBER, POLYCHLOROPRENE, POLYMERS OF BUTADIENE ALINE, COPOLYMERS OF BUTADIENE WITH ACRYLONITRILE, COPOLYMERS OF BUETADIENE WITH STYRENE AND COPOLYMERS OF BUTADIENE WITH ISO-OLEFINES, THE CHLOROSULFONATED NORMALLY SOLID POLYMER OF ETHYLENE CONSTITUTING FROM ABOUT 20% TO ABOUT 50% BY VOLUME OF THE ELASTOMER IN THE COMPOSITION.
Claim 2
Dependent Claim
85 words
A COMPOSITION OF MATTER, HIGHLY RESISTANT TO DETERIORATION BY THE ACTION OF OXYGEN, OZONE AND OXIDIZING AGENTS, COMPRISING A HOMOGENEOUS MIXTURE OF A CHLOROSULFONATED NORMALLY SOLID POLYMER OF ETHYLENE AND AN UNSATURATED ELASTOMER OF THE GROUP CONSISTING OF NATURAL RUBBER, ISOMERIZED RUBBER, POLYCHLOROPRENE, POLYMERS OF BUTADIENE ALINE, COPOLYMERS OF BUTADIENE WITH ACRYLONITRILE, COPOLYMERS OF BUETADIENE WITH STYRENE AND COPOLYMERS OF BUTADIENE WITH ISO-OLEFINES, THE CHLOROSULFONATED NORMALLY SOLID POLYMER OF ETHYLENE CONSTITUTING FROM ABOUT 20% TO ABOUT 50% BY VOLUME OF THE ELASTOMER IN THE COMPOSITION.
References Cited (Backward Citations)
US2229985A
Cited
US2213423A
Cited
US2416061A
Cited
US2458841A
Cited
US2630398A
Cited
US2465336A
Cited
US2476832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |