US3241990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal silicate compositions and process of manufacture
Assignee: Individual
•
Filing: 1965-03-10
•
Granted: 1966-03-22
•
Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Harrison John Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:37
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A PROCESS FOR PRODUCING A COATED COMPOSITE STRUCTURE, THE STEPS COMPRISING INTERMIXING OF ABOUT 4 PARTS BY WEIGHT OF AN AQUEOUS SOLUTION CONTAINING ABOUT 30 TO 70% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM SILICATES WHEREIN THE ALKALI METAL OXIDE TO SIO2 CONTENT RATIO IS IN THE RANGE OF ABOUT 2:1 TO ABOUT 1:4 WITH A REACTING MIXTURE OF ABOUT 2 PARTS BY WEIGHT SODIUM SULFITE AND HYDROGEN PEROXIDE IN AMOUNT EQUIVALENT TO ABOUT 1 TO 2 PARTS BY WEIGHT OF A 3% AQUEOUS SOLUTION TO INCREASE THE VISCOSITY THEREOF, DIPPING A SOLID ARTICLE IN SAID SOLUTION, AND COOLING THE DIPPED ARTICLE TO SET ADHERENT SOLUTION THEREON.
Claim 2
Dependent Claim
115 words
IN A PROCESS FOR PRODUCING A COATED COMPOSITE STRUCTURE, THE STEPS COMPRISING INTERMIXING OF ABOUT 4 PARTS BY WEIGHT OF AN AQUEOUS SOLUTION CONTAINING ABOUT 30 TO 70% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM SILICATES WHEREIN THE ALKALI METAL OXIDE TO SIO2 CONTENT RATIO IS IN THE RANGE OF ABOUT 2:1 TO ABOUT 1:4 WITH A REACTING MIXTURE OF ABOUT 2 PARTS BY WEIGHT SODIUM SULFITE AND HYDROGEN PEROXIDE IN AMOUNT EQUIVALENT TO ABOUT 1 TO 2 PARTS BY WEIGHT OF A 3% AQUEOUS SOLUTION TO INCREASE THE VISCOSITY THEREOF, DIPPING A SOLID ARTICLE IN SAID SOLUTION, AND COOLING THE DIPPED ARTICLE TO SET ADHERENT SOLUTION THEREON.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |