Patent US2983686A successfully refreshed from Google Patents.
US2983686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent foils
Assignee: Novartis AG
•
Filing: 1956-10-01
•
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 10:38
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)
US2784184A
Cited
US2341009A
Cited
US2215196A
Cited
GB560143A
Cited
GB566810A
Cited
US2397751A
Cited
US2844594A
Cited
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 |