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US4687823A
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Alkynyl-bridged poly(arylcyclobutene) resins
Assignee: Dow Chemical Co
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Filing: 1986-07-01
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Granted: 1987-08-18
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Expires: 2006-07-01
Abstract
Abstract Arylcyclobutene resins are comprised of alkynyl groups bridging at least two arylcyclobutene moieties.
Inventors
- 👤 Robert A. Kirchhoff
- 👤 Stephen F. Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:04
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/44; C07C5/00; C07C5/42; C07C5/50
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
13 words
An arylcyclobutene monomer having two arylcyclobutene moieties bridged by an alkynyl molecular group.
Claim 2
Dependent Claim
13 words
An arylcyclobutene monomer having two arylcyclobutene moieties bridged by an alkynyl molecular group.
Claim 3
Dependent Claim
12 words
The monomer of claim 1, wherein the arylcyclobutene moieties are benzocyclobutene moieties.
Claim 4
Dependent Claim
14 words
The monomer of claim 2, wherein the alkynyl molecular group is an acetylenic group.
Claim 5
Dependent Claim
10 words
The monomer of claim 3, corresponding to the formula ##STR8##
Claim 6
Dependent Claim
20 words
An arylcyclobutene polymer, comprising in polymerized form an arylcyclobutene monomer having two arylcyclobutene moieties bridged by an alkynyl molecular group.
Claim 7
Dependent Claim
20 words
An arylcyclobutene polymer, comprising in polymerized form an arylcyclobutene monomer having two arylcyclobutene moieties bridged by an alkynyl molecular group.
Claim 8
Dependent Claim
12 words
The polymer of claim 5, wherein the arylcyclobutene moieties are benzocyclobutene moieties.
Claim 9
Dependent Claim
14 words
The polymer of claim 6, wherein the alkynyl molecular group is an acetylenic group.
Claim 10
Dependent Claim
13 words
The polymer of claim 7, wherein the monomer corresponds to the formula. ##STR9##
Claim 11
Dependent Claim
15 words
The monomer of claim 2, wherein the alkynyl group is a phenyl bridged bis-acetylenic group.
Claim 12
Dependent Claim
10 words
The monomer of claim 9, corresponding to the formula. ##STR10##
Claim 13
Dependent Claim
15 words
The polymer of claim 6, wherein the alkynyl group is a phenyl bridged bis-acetylenic group.
Claim 14
Dependent Claim
13 words
The polymer of claim 7, wherein the monomer corresponds to the formula ##STR11##
Claim 15
Dependent Claim
13 words
The monomer of claim 2, wherein the alkynyl group is a bis-acetylene group.
Claim 16
Dependent Claim
10 words
The monomer of claim 13, corresponding to the formula ##STR12##
Claim 17
Dependent Claim
13 words
The polymer of claim 6, wherein the alkynyl group is a bis-acetylene group.
Claim 18
Dependent Claim
13 words
The polymer of claim 7, wherein the monomer corresponds to the formula ##STR13##
References Cited (Backward Citations)
US3271378A
Cited
US4540763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-17 | 1991-02-16 | 1991-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-17 | 1995-02-16 | 1995-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-17 | 1999-02-16 | 1999-08-18 | $7700.00 | Window Closed / Lapsed |