US3068178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scintillator solution enhancers
Assignee: Individual
•
Filing: 1959-10-14
•
Granted: 1962-12-11
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Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Hartmut P Kallmann
- 👤 Furst Milton
- 👤 Felix H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:45
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/204; G01T1/2042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN IMPROVED SCINTILLATOR SOLUTION COMPRISING A WEAKLY FLUORESCINIG SCINTILLATING SOLUTION CONTAINING A BULK SOLVENT AND AN EFFICIENT LIGHT EMITTING SOLUTE, THE ENERGEY TRANSFER FROM SAID SOLVENT TO SAID SOLUTE BEING LESS THAN THAT WHICH IS THEROETICALLY POSSIBLE, AND AN "INTERMEDIATE SOLVENT" HAVING A LOWEST ENERGY LEVEL OF EXCITATION LESS THAN THE LOWEST ENERGY LEVEL OF EXCITATION OF SAID BULK SOLVENT AND GREATER THAN THE LOWEST ENERGY LEVEL OF EXCITATION OF SAID SOLUTE, THE "INTERMEDIATE SOLVENT" BEING PRESENT IN A QUANTITY IN EXCESS OF 10 GRAMS PER LITER OF THE BULK SOLVENT, BUT LESS THAN THAT QUANTITY WHICH CHANGES THE PHYSICAL OR CHEMICAL STATE OF THE SOLUTION, TO SUBSTANTIALLY INCREASE THE FLUORESCENCE OUTPUT OF THE IMPROVED SOLUTION OVER THAT OF THE WEAKLY FLUORESECING SOLUTION.
Claim 2
Dependent Claim
123 words
AN IMPROVED SCINTILLATOR SOLUTION COMPRISING A WEAKLY FLUORESCINIG SCINTILLATING SOLUTION CONTAINING A BULK SOLVENT AND AN EFFICIENT LIGHT EMITTING SOLUTE, THE ENERGEY TRANSFER FROM SAID SOLVENT TO SAID SOLUTE BEING LESS THAN THAT WHICH IS THEROETICALLY POSSIBLE, AND AN "INTERMEDIATE SOLVENT" HAVING A LOWEST ENERGY LEVEL OF EXCITATION LESS THAN THE LOWEST ENERGY LEVEL OF EXCITATION OF SAID BULK SOLVENT AND GREATER THAN THE LOWEST ENERGY LEVEL OF EXCITATION OF SAID SOLUTE, THE "INTERMEDIATE SOLVENT" BEING PRESENT IN A QUANTITY IN EXCESS OF 10 GRAMS PER LITER OF THE BULK SOLVENT, BUT LESS THAN THAT QUANTITY WHICH CHANGES THE PHYSICAL OR CHEMICAL STATE OF THE SOLUTION, TO SUBSTANTIALLY INCREASE THE FLUORESCENCE OUTPUT OF THE IMPROVED SOLUTION OVER THAT OF THE WEAKLY FLUORESECING SOLUTION.
References Cited (Backward Citations)
US2755253A
Cited
US2824841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |