US2680102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-resistant product from comminuted woody material, urea, or melamine-formaldehyde, chlorinated hydrocarbon resin, and hydrated alumina
Assignee: Homasote Co
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Filing: 1952-07-03
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Granted: 1954-06-01
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Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Becher Hubert Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:00
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/12; C08; C08L; C08L97/00; C08L97/02; C08L2201/00; C08L2201/02; C08L61/00; C08L61/04; C08L61/06; C08L61/20; C08L91/00; C08L91/06; C08L91/08; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A FIRE-RESISTANT PRODUCT COMPRISING FROM ABOUT 50 TO 65% BY WEIGHT OF COMMINUTED WOODY MATERIAL AND FROM 35 TO 50% BY WEIGHT OF A BINDER CONTAINING FROM ABOUT 5 TO 15% OF THERMOSETTING AMINE RESIN SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE AND MELAMINE FORMALDEHYDE RESIN, FROM ABOUT 2 TO 10% OF CHLORINATED HYDROCARBON RESIN AND FROM ABOUT 20 TO 30% OF HYDRATED ALUMINA BASED ON THE WEIGHT OF THE PRODUCT.
Claim 2
Dependent Claim
71 words
A FIRE-RESISTANT PRODUCT COMPRISING FROM ABOUT 50 TO 65% BY WEIGHT OF COMMINUTED WOODY MATERIAL AND FROM 35 TO 50% BY WEIGHT OF A BINDER CONTAINING FROM ABOUT 5 TO 15% OF THERMOSETTING AMINE RESIN SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE AND MELAMINE FORMALDEHYDE RESIN, FROM ABOUT 2 TO 10% OF CHLORINATED HYDROCARBON RESIN AND FROM ABOUT 20 TO 30% OF HYDRATED ALUMINA BASED ON THE WEIGHT OF THE PRODUCT.
References Cited (Backward Citations)
US2611694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |