US2917629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the analysis of liquid chlorine
Assignee: Diamond Shamrock Corp
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Filing: 1957-02-25
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Granted: 1959-12-15
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Andrychuk Dmetro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:20
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/35; G01N21/3577; Y; Y10; Y10S; Y10S62/00; Y10S62/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD FOR ANALYZING LIQUID CHLORINE TO DETERMINE THE AMOUNT AND TYPE OF IMPURITIES CONTAINED THEREIN, COMPRISING PLACING THE LIQUID CHLORINE IN A CONTAINER, REFRIGERATING THE CONTAINER SO AS TO MAINTAIN THE CHLORINE AT ATMOSPHERIC PRESSURE AND IN THE LIQUID STATE, PASSING INFRA-RED LIGHT THROUGH THE LIQUID CHLORINE TO AN INFRA-RED SPECTROMETER, RECORDING THE SPECTRA THUS PRODUCED AND PLOTTING THE OPTICAL DENSITY OF EACH MATERIAL THUS SHOWN TO BE PRESENT ON A STANDARD GRAPH OF OPTICAL DENSITY VERSUS
Claim 2
Independent Claim
78 words
A METHOD FOR ANALYZING LIQUID CHLORINE TO DETERMINE THE AMOUNT AND TYPE OF IMPURITIES CONTAINED THEREIN, COMPRISING PLACING THE LIQUID CHLORINE IN A CONTAINER, REFRIGERATING THE CONTAINER SO AS TO MAINTAIN THE CHLORINE AT ATMOSPHERIC PRESSURE AND IN THE LIQUID STATE, PASSING INFRA-RED LIGHT THROUGH THE LIQUID CHLORINE TO AN INFRA-RED SPECTROMETER, RECORDING THE SPECTRA THUS PRODUCED AND PLOTTING THE OPTICAL DENSITY OF EACH MATERIAL THUS SHOWN TO BE PRESENT ON A STANDARD GRAPH OF OPTICAL DENSITY VERSUS
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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |