Patent US2979341A successfully refreshed from Google Patents.
Patent US4577006A successfully refreshed from Google Patents.
US4577006A
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US
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Dicyclopentadiene resins
Assignee: Union Camp Corp
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Filing: 1985-03-15
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Granted: 1986-03-18
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Expires: 2005-03-15
Abstract
Abstract Disclosed are polymer resins which are copolymers of dicyclopentadiene and polyenes. The polymers have good dilutability and high softening points and are useful in coatings and printing inks.
Inventors
- 👤 Samuel D. Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:53
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; C09D11/108; C08; C08F; C08F232/00; C08F232/08; C09D145/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
28 words
The synthetic polymeric resin obtained upon polymerization of a mixture, which comprises; (a) dicyclopentadiene; and (b) an aliphatic, conjugated hydrocarbon polyene having 8 to 12 carbon atoms, inclusive.
Claim 2
Dependent Claim
28 words
The synthetic polymeric resin obtained upon polymerization of a mixture, which comprises; (a) dicyclopentadiene; and (b) an aliphatic, conjugated hydrocarbon polyene having 8 to 12 carbon atoms, inclusive.
Claim 3
Dependent Claim
14 words
The resin of claim 1 wherein the conjugated polyene is alloocimene admixed with dipentene.
Claim 4
Dependent Claim
12 words
The resin of claim 1 wherein the aliphatic hydrocarbon polyene comprises alloocimene.
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) | 1989-03-17 | 1989-09-16 | 1990-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-17 | 1993-09-16 | 1994-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-17 | 1997-09-16 | 1998-03-18 | $7700.00 | Window Closed / Lapsed |