US5536772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation cured conjugated diene block copolymer compositions
Assignee: Kraton Polymers US LLC
•
Filing: 1993-06-18
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Granted: 1996-07-16
•
Expires: 2013-06-18
Abstract
Abstract This invention provides a radiation cured composition which is curable at low levels of radiation. The composition comprises a crosslinked unsaturated epoxidized diene polymer and a terpene tackifying resin. The invention also encompasses adhesive, coating and sealant compositions made with the above composition.
Inventors
- 👤 Steven H. Dillman
- 👤 James R. Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:03
CPC Classifications
C; C08; C08L; C08L15/00; C08L53/00; C08L53/02; C08L53/025; C08K; C08K5/00; C08K5/01; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L45/00; C08L47/00; C08L93/00; C08L93/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
36 words
A radiation cured composition which is curable at low levels of radiation comprising a crosslinked unsaturated epoxidized diene polymer containing 0.1 to 3 milliequivalents of epoxide per gram of polymer and an epoxidized terpene tackifying resin.
Claim 2
Dependent Claim
36 words
A radiation cured composition which is curable at low levels of radiation comprising a crosslinked unsaturated epoxidized diene polymer containing 0.1 to 3 milliequivalents of epoxide per gram of polymer and an epoxidized terpene tackifying resin.
Claim 3
Dependent Claim
17 words
The composition of claim 1 wherein the terpene resin comprises from 20 to 100 parts of polymer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-07-16 | 2000-01-15 | 2000-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-16 | 2004-01-15 | 2004-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-16 | 2008-01-15 | 2008-07-16 | $7700.00 | Window Closed / Lapsed |