US4210562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose-containing phenolic resin-based binder
Assignee: Owens Corning
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Filing: 1979-01-08
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Granted: 1980-07-01
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Expires: 1999-01-08
Abstract
Abstract A hardenable binder composition is disclosed. The composition comprises a phenolic resin, hydroxyethylcellulose and a silane. The hydroxyethylcellulose being added in an amount sufficient to increase the wet tensile strength of the binder composition after cure thereof.
Inventors
- 👤 Frank P. McCombs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:34
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31627; Y10T442/00; Y10T442/20; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
34 words
A hardenable binder composition consisting essentially of phenolic resin, hydroxyethylcellulose and a silane, said hydroxyethylcellulose being present in an amount sufficient to increase the wet tensile strength of the binder composition after cure thereof.
Claim 2
Dependent Claim
34 words
A hardenable binder composition consisting essentially of phenolic resin, hydroxyethylcellulose and a silane, said hydroxyethylcellulose being present in an amount sufficient to increase the wet tensile strength of the binder composition after cure thereof.
Claim 3
Dependent Claim
30 words
A composition as claimed in claim 1 wherein the hydroxyethylcellulose is present in an amount of about 0.1 to 2 percent based on the dry weight of the phenolic resin.
Claim 4
Dependent Claim
31 words
A composition as claimed in claim 2 wherein the silane is present in an amount from about 0.01 to about 10 percent based on the dry weight of the phenolic resin.
Claim 5
Dependent Claim
42 words
In a process for preparing a hardenable phenolic resin binder composition, the improvement which consists essentially of incorporating into the composition hydroxyethylcellulose in an amount sufficient to increase the wet tensile strength of the binder composition after cure thereof and a silane.
Claim 6
Dependent Claim
42 words
In a process for preparing a hardenable phenolic resin binder composition, the improvement which consists essentially of incorporating into the composition hydroxyethylcellulose in an amount sufficient to increase the wet tensile strength of the binder composition after cure thereof and a silane.
Claim 7
Dependent Claim
25 words
The process of claim 4 wherein the amount of hydroxyethylcellulose is about 0.1 to 2 percent based on the dry weight of the phenolic resin.
References Cited (Backward Citations)
GB315835A
Cited
US2862897A
Cited
US3663481A
Cited
US3944703A
Cited
US4014835A
Cited
US4014726A
Cited
US3932686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-01 | 1983-12-31 | 1984-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-01 | 1987-12-31 | 1988-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-01 | 1991-12-31 | 1992-07-01 | $7700.00 | Window Closed / Lapsed |