US2530458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of complex inorganic compounds and applications thereof
Assignee: Individual
•
Filing: 1947-03-18
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Granted: 1950-11-21
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Expires: 1967-03-18
Abstract
No abstract record available.
Inventors
- 👤 Frisch Hans Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:29
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/34; C09; C09D; C09D5/00; C09D5/18; D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/47; D06M11/58; D06M11/59; D06M11/60; D06M11/68; D06M11/70; D06M11/71; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A WATER AND FIRE RESISTANT COATING COMPOSITION CAPABLE ON DRYING, OF FORMING A HARD GLOSSY FILM RESEMBLING AN ORGANIC POLYMER, AND CONSISTING OF A WATER INSOLUBLE TRANSPARENT LIQUID AND INORGANIC COMPLEX RESULTING FROM MIXING TOGETHER BETWEEN 25 AND 125 PARTS OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF THE TERTIARY ZINC ORTHOPHOSPHATES AND THE TERTIARY ZINC ORTHO ARSENATES AND 100 PARTS OF HYDROUS AMMONIA OF 30% TO 35% CONCENTRATION.
Claim 2
Dependent Claim
70 words
A WATER AND FIRE RESISTANT COATING COMPOSITION CAPABLE ON DRYING, OF FORMING A HARD GLOSSY FILM RESEMBLING AN ORGANIC POLYMER, AND CONSISTING OF A WATER INSOLUBLE TRANSPARENT LIQUID AND INORGANIC COMPLEX RESULTING FROM MIXING TOGETHER BETWEEN 25 AND 125 PARTS OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF THE TERTIARY ZINC ORTHOPHOSPHATES AND THE TERTIARY ZINC ORTHO ARSENATES AND 100 PARTS OF HYDROUS AMMONIA OF 30% TO 35% CONCENTRATION.
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |