Patent US2990594A successfully refreshed from Google Patents.
Patent US5146489A successfully refreshed from Google Patents.
Patent JPS49867A successfully refreshed from Google Patents.
Patent US4260698A successfully refreshed from Google Patents.
US4260698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Co-crosslinkable blend composition comprising iodine-containing fluoroelastomer
Assignee: Daikin Industries Ltd
•
Filing: 1979-10-04
•
Granted: 1981-04-07
•
Expires: 1999-10-04
Abstract
Abstract A co-crosslinkable blend composition which comprises (1) an iodine-containing fluoroelastomer, (2) at least one of silicone oligomers, silicone elastomers, fluorosilicone elastomers, phosphonitrilic fluoroelastomers, tetrafluoroethylene/propylene copolymers and hexafluoropropylene/ethylene copolymers and (3) an organic peroxide.
Inventors
- 👤 Masayoshi Tatemoto
- 👤 Masayasu Tomoda
- 👤 Yutaka Ueta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:25
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08L101/00; C08L27/00; C08L27/02; C08L27/12; C08L27/22; C08L27/24; C08L85/00; C08L85/02; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/20; C08G77/22; C08G77/24; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
39 words
A co-crosslinkable blend composition which comprises (1) an iodine-containing fluoroelastomer, (2) at least one member selected from the group consisting of silicone oligomers, silicone elastomers, fluorosilicone elastomers, phosphonitrilic fluoroelastomers, tetrafluoroethylene/propylene copolymers and hexafluoropropylene/ethylene copolymers and (3) an organic peroxide.
Claim 2
Dependent Claim
39 words
A co-crosslinkable blend composition which comprises (1) an iodine-containing fluoroelastomer, (2) at least one member selected from the group consisting of silicone oligomers, silicone elastomers, fluorosilicone elastomers, phosphonitrilic fluoroelastomers, tetrafluoroethylene/propylene copolymers and hexafluoropropylene/ethylene copolymers and (3) an organic peroxide.
Claim 3
Dependent Claim
21 words
The blend composition according to claim 1, wherein the iodine-containing fluoroelastomer has an iodine content of 0.001 to 10% by weight.
Claim 4
Dependent Claim
21 words
The blend composition according to claim 2, wherein the iodine-containing fluoroelastomer has an iodine content of 0.01 to 5% by weight.
Claim 5
Dependent Claim
30 words
The blend composition according to claim 1, wherein the iodine-containing fluoroelastomer has as the main constituent a copolymeric chain consisting essentially of vinylidene fluoride and at least one other fluoroolefin.
Claim 6
Dependent Claim
35 words
The blend composition according to claim 4, wherein the other fluoroolefin is selected from the group consisting of tetrafluoroethylene, chlorotrifluoroethylene, trifluoroethylene, vinyl fluoride, hexafluoropropene, pentafluoropropene, perfluoro(methyl vinyl ether), perfluoro(ethyl vinyl ether) and perfluoro(propyl vinyl ether).
Claim 7
Dependent Claim
16 words
The blend composition according to claim 1, which further comprises a divalent metal oxide or hydroxide.
Claim 8
Dependent Claim
15 words
The blend composition according to claim 1, which further comprises a polyallyl or polyvinyl compound.
Claim 9
Dependent Claim
31 words
The blend composition according to claim 1 which contains from 5 to 100 parts by weight, based on 100 parts by weight of the iodine-containing fluoroelastomer, of the component (2) member.
References Cited (Backward Citations)
US3538028A
Cited
DE2815187A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-06 | 1984-10-06 | 1985-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-06 | 1988-10-06 | 1989-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-06 | 1992-10-06 | 1993-04-07 | $7700.00 | Window Closed / Lapsed |