US2821514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire resistant composition of silicate, refractory and nitrile type rubber and article containing the same
Assignee: Goodrich Corp
•
Filing: 1953-08-18
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Granted: 1958-01-28
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Expires: 1973-08-18
Abstract
No abstract record available.
Inventors
- 👤 Donald V Sarbach
- 👤 Vernon G Boger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C08K3/01; C08K3/013; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T428/31652; Y10T428/31656; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A COMPOSITION OF MATTER CAPABLE OF FORMING ON A BASE MATERIAL WHEN SUBSTANTIALLY DRY AN ADHERENT, IMPACT RESISTANT AND FIRE RESISTANT COATING AND COMPRISING A DISPERSION COMPRISING ESSENTIALLY WATER AND SOLIDS, SAID SOLIDS COMPRISING AS ESSENTIAL INGREDIENTS ON A DRY WEIGHT BASIS FROM 12 TO 52% BY WEIGHT OF AT LEAST ONE ALKALI METAL SILICATE, FROM 10 TO 34% BY WEIGHT OF A RUBBERY POLYMER OF AT LEAST ABOUT 50% BY EIGHT OF AN OPEN CHAIN CONJUGATED DIENE HYDROCARBON HAVING FROM 4 TO 8 CARBON ATOMS AND FROM 50 TO 10% BY WEIGHT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, METHYL ACRYLONITRILE, ETHYL ACRYLONITRILE AND CHLOROACRYLONITRILE AND MIXTURES THEREOF AND FROM 21 TO 74% BY WEIGHT OF A REFRACTORY AND SAID WATER BEING PRESENT IN SAID DISPERSION IN AN AMOUNT OF FROM 70 TO 500% BY WEIGHT BASED ON THE COMBINED WEIGHTS OF SAID ALKALI METAL SILICATE AND SAID RUBBERY POLYMER.
Claim 2
Dependent Claim
154 words
A COMPOSITION OF MATTER CAPABLE OF FORMING ON A BASE MATERIAL WHEN SUBSTANTIALLY DRY AN ADHERENT, IMPACT RESISTANT AND FIRE RESISTANT COATING AND COMPRISING A DISPERSION COMPRISING ESSENTIALLY WATER AND SOLIDS, SAID SOLIDS COMPRISING AS ESSENTIAL INGREDIENTS ON A DRY WEIGHT BASIS FROM 12 TO 52% BY WEIGHT OF AT LEAST ONE ALKALI METAL SILICATE, FROM 10 TO 34% BY WEIGHT OF A RUBBERY POLYMER OF AT LEAST ABOUT 50% BY EIGHT OF AN OPEN CHAIN CONJUGATED DIENE HYDROCARBON HAVING FROM 4 TO 8 CARBON ATOMS AND FROM 50 TO 10% BY WEIGHT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, METHYL ACRYLONITRILE, ETHYL ACRYLONITRILE AND CHLOROACRYLONITRILE AND MIXTURES THEREOF AND FROM 21 TO 74% BY WEIGHT OF A REFRACTORY AND SAID WATER BEING PRESENT IN SAID DISPERSION IN AN AMOUNT OF FROM 70 TO 500% BY WEIGHT BASED ON THE COMBINED WEIGHTS OF SAID ALKALI METAL SILICATE AND SAID RUBBERY POLYMER.
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) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |