US2603311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydration of gases
Assignee: Fluor Corp
•
Filing: 1948-05-11
•
Granted: 1952-07-15
•
Expires: 1968-05-11
Abstract
No abstract record available.
Inventors
- 👤 Henry D Frazier
- 👤 Fred C Riesenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:40
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; B01D53/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF DEHYDRATING A GAS THAT INCLUDES CONTACTING THE GAS WITH AN AQUEOUS SOLUTION OF GLYCOL CONTAINING A SUBSTANTIAL QUANTITY OF A DISSOLVED NON-AQUEOUS ORGANIC LIQUID DILUENT ITSELF SOLUBLE IN AND HAVING LESS VISCOSITY THAN THE GLYCOL AND OF THE GROUP CONSISTING OF MONOHYDRIC ALCOHOLS, SUBSTITUTED MONOHYDRIC ALIPHATIC ALCOHOLS, AROMATIC AND ALICYCLIC MONOHYDRIC ALCOHOLS, HETEROCYCLIC MONOHYDROC ALCOHOLS, AND SOLUBLE MONOETHERS OF POLYHYDRIC ALCOHOLS, AND WATER SOLUBLE MULTIPLE ETHERS OF PLYHYDRIC ALCOHOLS, SAID DILUENT HAVING A BOILING TEMPERATURE IN EXCESS OF 190* C., AND HEATING AND REGENERATING THE SOLUTION BY VAPORIZING THE ABSORBED MOISTURE.
Claim 2
Independent Claim
94 words
THE METHOD OF DEHYDRATING A GAS THAT INCLUDES CONTACTING THE GAS WITH AN AQUEOUS SOLUTION OF GLYCOL CONTAINING A SUBSTANTIAL QUANTITY OF A DISSOLVED NON-AQUEOUS ORGANIC LIQUID DILUENT ITSELF SOLUBLE IN AND HAVING LESS VISCOSITY THAN THE GLYCOL AND OF THE GROUP CONSISTING OF MONOHYDRIC ALCOHOLS, SUBSTITUTED MONOHYDRIC ALIPHATIC ALCOHOLS, AROMATIC AND ALICYCLIC MONOHYDRIC ALCOHOLS, HETEROCYCLIC MONOHYDROC ALCOHOLS, AND SOLUBLE MONOETHERS OF POLYHYDRIC ALCOHOLS, AND WATER SOLUBLE MULTIPLE ETHERS OF PLYHYDRIC ALCOHOLS, SAID DILUENT HAVING A BOILING TEMPERATURE IN EXCESS OF 190* C., AND HEATING AND REGENERATING THE SOLUTION BY VAPORIZING THE ABSORBED MOISTURE.
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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |