US4657981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dicyclopentadiene polymer containing elastomer
Assignee: Metton America Inc
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Filing: 1986-03-07
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Granted: 1987-04-14
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Expires: 2006-03-07
Abstract
Abstract A composition comprising a polymer of dicyclopentadiene containig an elastomer.
Inventors
- 👤 Daniel W. Klosiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:49
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
27 words
A polymeric composition comprising a blend of a substantially crosslinked thermoset polymer comprising polymerized units of dicyclopentadiene and 1 to 10% by weight of a hydrocarbon elastomer.
Claim 2
Dependent Claim
27 words
A polymeric composition comprising a blend of a substantially crosslinked thermoset polymer comprising polymerized units of dicyclopentadiene and 1 to 10% by weight of a hydrocarbon elastomer.
Claim 3
Dependent Claim
18 words
The composition of claim 1 wherein the elastomer is present in an amount of about 5 to 10%.
Claim 4
Dependent Claim
12 words
A composition according to claim 1 wherein the hydrocarbon elastomer is unsaturated.
Claim 5
Dependent Claim
12 words
A composition according to claim 1 wherein the hydrocarbon elastomer is saturated.
Claim 6
Dependent Claim
11 words
The composition of claim 2 wherein the hydrocarbon elastomer is unsaturated.
Claim 7
Dependent Claim
11 words
The composition of claim 2 wherein the hydrocarbon elastomer is saturated.
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) | 1990-04-13 | 1990-10-13 | 1991-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-13 | 1994-10-13 | 1995-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-13 | 1998-10-13 | 1999-04-14 | $7700.00 | Window Closed / Lapsed |