US3299175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizing of olefin copolymers
Assignee: Montedison SpA
•
Filing: 1963-06-21
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Granted: 1967-01-17
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Marchesini Gerolamo
- 👤 Manica Michele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:33
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C; C08; C08F; C08F255/00; C08F255/02; C08F255/04; C08F279/00; C08F279/02; C08K; C08K3/00; C08K3/02; C08K3/06; C08K5/00; C08K5/0008; C08K5/0016; C08K5/04; C08K5/14; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0807; C08L23/0815; C08L23/16; C08L9/00; C08L2203/00; C08L2203/20; C08L2312/00; C08L2666/00; C08L2666/02; C08L2666/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A VULCANIZABLE COMPOSITION COMPRISING A SATURATED AMORPHOUS COPOLYMER OF ETHYLENE WITH A DIFFERENT ALPHAMONO-OLEFIN AND, AS A VULCANIZING AGENT, AN ORGANIC PEROXIDE, SAID COMPOSITION ALSO CONTAINING UNIFORMLY DISPERSED THEREIN A POLYMERIC FILLER OBTAINED BY THE FREE RADICAL POLYMERIZATION OF DIVINYL-BENZENE IN THE PRESENCE OF A POLYMER OF A CONJUGATED DIOLEFIN, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM AND LITHIUM POLYBUTADIENE HAVING PREVAILINGLY 1,2-BONDING, 1,2-POLYISOPRENE, 3,4-POLYISOPRENE, AND A COPOLYMER OF BUTADIENE AND STYRENE, THE AMOUNT OF SAID POLYMERIC FILLER BEING FROM ABOUT 10 TO 50% BY WEIGHT OF THE MIXTURE OF SAID COPOLYMER AND SAID POLYMERIC FILLER.
Claim 2
Dependent Claim
99 words
A VULCANIZABLE COMPOSITION COMPRISING A SATURATED AMORPHOUS COPOLYMER OF ETHYLENE WITH A DIFFERENT ALPHAMONO-OLEFIN AND, AS A VULCANIZING AGENT, AN ORGANIC PEROXIDE, SAID COMPOSITION ALSO CONTAINING UNIFORMLY DISPERSED THEREIN A POLYMERIC FILLER OBTAINED BY THE FREE RADICAL POLYMERIZATION OF DIVINYL-BENZENE IN THE PRESENCE OF A POLYMER OF A CONJUGATED DIOLEFIN, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM AND LITHIUM POLYBUTADIENE HAVING PREVAILINGLY 1,2-BONDING, 1,2-POLYISOPRENE, 3,4-POLYISOPRENE, AND A COPOLYMER OF BUTADIENE AND STYRENE, THE AMOUNT OF SAID POLYMERIC FILLER BEING FROM ABOUT 10 TO 50% BY WEIGHT OF THE MIXTURE OF SAID COPOLYMER AND SAID POLYMERIC FILLER.
References Cited (Backward Citations)
US2688009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |