US3223668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol-aldehyde, dicyandiamide binder composition
Assignee: Owens Corning
•
Filing: 1962-04-23
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Granted: 1965-12-14
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Stalcgo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/315; C08K5/3155; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T442/00; Y10T442/10; Y10T442/184; Y10T442/191; Y10T442/198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A HARDENABLE PHENOL-ALDEHYDE RESIN BINDER COMPOSITION, WHICH IS AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 1 TO ABOUT 50 PERCENT OF SOLIDS CONSISTING ESSENTIALLY OF A HEAT-HARDENABLE PHENOL-ALDEHYDE RESIN HAVING NO MORE THAN ABOUT 3.6 PERCENT BY WEIGHT OF FREE ALDEHYDE, AND FROM ABOUT 10 TO 120 PARTS BY WEIGHT OF UNREACTED DICYANDIAMIDE FOR EACH 100 PARTS OF THE HARDENABLE PHENOL-ALDEHYDE RESIN, ON A DRY SOLIDS BASIS.
Claim 2
Dependent Claim
66 words
A HARDENABLE PHENOL-ALDEHYDE RESIN BINDER COMPOSITION, WHICH IS AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 1 TO ABOUT 50 PERCENT OF SOLIDS CONSISTING ESSENTIALLY OF A HEAT-HARDENABLE PHENOL-ALDEHYDE RESIN HAVING NO MORE THAN ABOUT 3.6 PERCENT BY WEIGHT OF FREE ALDEHYDE, AND FROM ABOUT 10 TO 120 PARTS BY WEIGHT OF UNREACTED DICYANDIAMIDE FOR EACH 100 PARTS OF THE HARDENABLE PHENOL-ALDEHYDE RESIN, ON A DRY SOLIDS BASIS.
References Cited (Backward Citations)
US2690393A
Cited
US3004941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |