US4758627A
Expired / Lapsed
US
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Polymer interdispersions, related compositions and method of making same
Assignee: Vulkor Inc
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Filing: 1984-12-06
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Granted: 1988-07-19
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Expires: 2004-12-06
Abstract
Abstract Polyblend interdispersions of two or more different polymers formed at least partially in the presence of an interdispersing aid which can be polytetrafluoroethylene or ultra high molecular weight polyethylene; said blend can be chemically cross-linked with peroxides.
Inventors
- 👤 Edward V. Wilkus
- 👤 Alexander F. Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:35
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C; C08; C08L; C08L101/00; C08L11/00; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/08; C08L23/0807; C08L23/0815; C08L23/10; C08L23/16; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L59/00; C08L67/00; C08L7/00; C08L9/00; C08L9/06; C08L2205/00; C08L2205/02; C08L2205/025; C08L2205/03; C08L2205/035; C08L23/26; C08L23/28; C08L23/286; C08L2312/00; C08L27/12; C08L27/18; C08L51/00; C08L51/06; C08L53/00; C08L53/02; C08L69/00; C08L77/00; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
75 words
As a composition of matter, a chemically crosslinkable interdispersion of a polyolefin polymer selected from the group consisting of: low density polyethylene, high density polyethylene, linear low density polyethylene, ethylene propylene copolymers, ethylene vinyl acetate copolymer, ethylene ethyl acrylate copolymer, and modified polyethylene: with at least one polymer selected from the group consisting of polystyrenes; said interdispersion being at least partially formed with polytetrafluoroethylene as an interdispersing agent; said interdispersion containing a peroxide crosslinking agent.
Claim 2
Dependent Claim
75 words
As a composition of matter, a chemically crosslinkable interdispersion of a polyolefin polymer selected from the group consisting of: low density polyethylene, high density polyethylene, linear low density polyethylene, ethylene propylene copolymers, ethylene vinyl acetate copolymer, ethylene ethyl acrylate copolymer, and modified polyethylene: with at least one polymer selected from the group consisting of polystyrenes; said interdispersion being at least partially formed with polytetrafluoroethylene as an interdispersing agent; said interdispersion containing a peroxide crosslinking agent.
Claim 3
Dependent Claim
15 words
A composition as defined in claim 1 wherein the polyolefin polymer is low density polyethylene.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-07-19 | 1992-01-18 | 1992-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-19 | 1996-01-18 | 1996-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-19 | 2000-01-18 | 2000-07-19 | $7700.00 | Window Closed / Lapsed |