US2686158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent coating composition and process employing boric acid
Assignee: General Electric Co
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Filing: 1952-03-18
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Granted: 1954-08-10
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Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jones Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:43
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A FLUORESCENT COATING COMPOSITION COMPRISING A SUSPENSION OF FINELY DIVIDED PHOSPHOR PARTICLES IN A LACQUER COMPRISING A CELLULOSIC BINDER AND A SOLVENT THEREFOR WHICH IS NOT SUBSTANTIALLY MISCIBLE WITH WATER AND ALSO CONTAINING ABOUT 0.1 TO 0.7 PER CENT, BY WEIGHT OF THE PHOSPHOR, OF FINELY DISPERSED BORIC ACID FORMED IN SITU BY THE INCORPORATION THEREIN OF A HYDROLYZABLE BORIC ACID ESTER TOGETHER WITH WATER IN A SMALL AMOUNT OF ABOUT 1% BY VOLUME OF THE LACQUER AND SUFFICIENT TO HYDROLYZE THE BORIC ACID ESTER AND A COUPLING AGENT WHICH IS MISCIBLE WITH WATER AND WITH SAID SOLVENT.
Claim 2
Dependent Claim
98 words
A FLUORESCENT COATING COMPOSITION COMPRISING A SUSPENSION OF FINELY DIVIDED PHOSPHOR PARTICLES IN A LACQUER COMPRISING A CELLULOSIC BINDER AND A SOLVENT THEREFOR WHICH IS NOT SUBSTANTIALLY MISCIBLE WITH WATER AND ALSO CONTAINING ABOUT 0.1 TO 0.7 PER CENT, BY WEIGHT OF THE PHOSPHOR, OF FINELY DISPERSED BORIC ACID FORMED IN SITU BY THE INCORPORATION THEREIN OF A HYDROLYZABLE BORIC ACID ESTER TOGETHER WITH WATER IN A SMALL AMOUNT OF ABOUT 1% BY VOLUME OF THE LACQUER AND SUFFICIENT TO HYDROLYZE THE BORIC ACID ESTER AND A COUPLING AGENT WHICH IS MISCIBLE WITH WATER AND WITH SAID SOLVENT.
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |