US2983686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent foils
Assignee: Novartis AG
•
Filing: 1956-10-01
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Granted: 1961-05-09
•
Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Konig Roderich
- 👤 Keller Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A COMPOSITION OF MATTER IN THE FORM OF FLUORESCENT FOILS AND PLATES WHICH CONSISTS ESSENTIALLY OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, POLYETHYLENE AND POLYSTYRENE, OF 0.1 TO 1.0 PERCENT BY WEIGHT OF A SUBSTANTIALLY COLOURLESS ORGANIC SOLUBLE FLUORESCENT STILBENE COMPOUND WHICH CONTAINS IN AT LEAST ONE P-POSITION RELATIVE TO THE VINYLENE BRIDGE A 4.5-ARYLENE-1.2.3-TRIAZOLE-2-YL SUBSTITUENT AND OF 0.001 TO 0.5 PERCENT OF A WATER INSOLUBLE PIGMENT DYE, THE RATIO OF FLUORESCENT COMPOUND TO WATER INSOLUBLE PIGMENT DYE BEING GREATER THAN 1.
Claim 2
Dependent Claim
86 words
A COMPOSITION OF MATTER IN THE FORM OF FLUORESCENT FOILS AND PLATES WHICH CONSISTS ESSENTIALLY OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, POLYETHYLENE AND POLYSTYRENE, OF 0.1 TO 1.0 PERCENT BY WEIGHT OF A SUBSTANTIALLY COLOURLESS ORGANIC SOLUBLE FLUORESCENT STILBENE COMPOUND WHICH CONTAINS IN AT LEAST ONE P-POSITION RELATIVE TO THE VINYLENE BRIDGE A 4.5-ARYLENE-1.2.3-TRIAZOLE-2-YL SUBSTITUENT AND OF 0.001 TO 0.5 PERCENT OF A WATER INSOLUBLE PIGMENT DYE, THE RATIO OF FLUORESCENT COMPOUND TO WATER INSOLUBLE PIGMENT DYE BEING GREATER THAN 1.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |