US3208827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for rapid quantitative analysis of ethyl alcohol
Assignee: Individual
•
Filing: 1962-04-30
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Granted: 1965-09-28
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Robert F Borkenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:14
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/98; G01N33/483; G01N33/497; G01N33/4972; G01N31/00; G01N31/22; Y; Y10; Y10S; Y10S436/00; Y10S436/90; Y10T; Y10T436/00; Y10T436/20; Y10T436/203332; Y10T436/204165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR THE QUANTITATIVE DETERMINATION OF ETHYL ALCOHOL WHICH COMPRISES ADDING A SAMPLE CONTAINING ETHYL ALCOHOL TO A 40-60% AQUEOUS SULFURIC ACID BY VOLUME SOLUTION CONTAINING A CHROMATE SALT PLUS A CATALYTIC QUANTITY OF A HEAVY METAL, OXIDIZING THE ETHYL ALCOHOL PRESENT IN THE SAMPLE TO ACETIC ACID BY MEANS OF THE OXIDIZING ACTION OF THE CHROMATE ION AND THEN MEASURING THE DECREASE IN CHROMATE CONCENTRATION.
Claim 2
Independent Claim
67 words
A METHOD FOR THE QUANTITATIVE DETERMINATION OF ETHYL ALCOHOL WHICH COMPRISES ADDING A SAMPLE CONTAINING ETHYL ALCOHOL TO A 40-60% AQUEOUS SULFURIC ACID BY VOLUME SOLUTION CONTAINING A CHROMATE SALT PLUS A CATALYTIC QUANTITY OF A HEAVY METAL, OXIDIZING THE ETHYL ALCOHOL PRESENT IN THE SAMPLE TO ACETIC ACID BY MEANS OF THE OXIDIZING ACTION OF THE CHROMATE ION AND THEN MEASURING THE DECREASE IN CHROMATE CONCENTRATION.
References Cited (Backward Citations)
US1878390A
Cited
US2939768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |