US4015994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated glass fibers
Assignee: Owens Corning
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Filing: 1975-10-14
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Granted: 1977-04-05
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Expires: 1995-10-14
Abstract
Abstract Vinyl ester resin coated glass fibers are disclosed.The coated glass fibers are especially suited for reinforcing cementitious materials.
Inventors
- 👤 Homer G. Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/1025; C03C25/103; C03C13/00; C03C13/001; C03C13/002
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
71 words
A cementitious product comprising a composite of reinforcing materials and a cementitious matrix wherein one of the reinforcing materials comprises glass fibers having a thin coating on the surfaces of the fibers wherein the coating consists essentially of a vinyl ester represented by the formula: ##STR3## wherein n is a number from 1 to 20 and each R group is hydrogen or an alkyl radical having 1 to 10 carbon atoms.
Claim 2
Dependent Claim
71 words
A cementitious product comprising a composite of reinforcing materials and a cementitious matrix wherein one of the reinforcing materials comprises glass fibers having a thin coating on the surfaces of the fibers wherein the coating consists essentially of a vinyl ester represented by the formula: ##STR3## wherein n is a number from 1 to 20 and each R group is hydrogen or an alkyl radical having 1 to 10 carbon atoms.
Claim 3
Dependent Claim
31 words
The cementitious product of claim 1 wherein n is a number from 1 to 10 and each R group is hydrogen or an alkyl radical having 1 to 5 carbon atoms.
Claim 4
Dependent Claim
23 words
The cementitious product of claim 1 wherein the vinyl ester is represented by the formula: ##STR4## wherein n ranges from 1 to 2.
Claim 5
Dependent Claim
26 words
The cementitious product of claim 1 wherein the coating of the surfaces of the glass fibers range from 2 to 50% by weight of glass fibers.
Claim 6
Dependent Claim
13 words
The cementitious product of claim 1 wherein said cementitious matrix is Portland cement.
Claim 7
Dependent Claim
14 words
The cementitious product of claim 1 wherein said cementitious matrix is hydrous calcium silicate.
Claim 8
Dependent Claim
12 words
The cementitious product of claim 1 wherein said cementitious matrix is concrete.
Claim 9
Dependent Claim
12 words
The cementitious product of claim 1 wherein said cementitious matrix is cement.
Claim 10
Dependent Claim
12 words
The cementitious product of claim 1 wherein said cementitious matrix is mortar.
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) | 1980-04-04 | 1980-10-04 | 1981-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-04 | 1984-10-04 | 1985-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-04 | 1988-10-04 | 1989-04-05 | $7700.00 | Window Closed / Lapsed |