US3001607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorine separation process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-11-04
•
Granted: 1961-09-26
•
Expires: 1978-11-04
Abstract
No abstract record available.
Inventors
- 👤 Eng Jackson
- 👤 Sydney H J Greenwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/07; C01B7/0743; Y; Y10; Y10S; Y10S95/00; Y10S95/90; Y10S95/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN IMPROVED PROCESS FOR PURIFYING CHLORINE GAS CONTAMINATED WITH HYDROGEN CHLORIDE WHICH COMPRISES CONTACTING SAID MIXTURE WITH A CRYSTALLINE METALLIC ALUMINOSILICATE ZEOLITE HAVING UNIFORM PORE OPENINGS FROM 4 TO 5 ANGSTROM UNITS AT A TEMPERATURE OF ABOUT 50* TO 200* F., SELECTIVELY ADSORBING SAID HYDROGEN CHLORIDE, WITHDRAWING UNADSORBED CHLORINE, THEREAFTER RAISING THE TEMPERATURE OF SAID ZEOLITE TO ABOUT 700* TO 1000*F., AND RECOVERING SUBSTANTIALLY PURE HYDROGEN CHLORIDE.
Claim 2
Dependent Claim
67 words
AN IMPROVED PROCESS FOR PURIFYING CHLORINE GAS CONTAMINATED WITH HYDROGEN CHLORIDE WHICH COMPRISES CONTACTING SAID MIXTURE WITH A CRYSTALLINE METALLIC ALUMINOSILICATE ZEOLITE HAVING UNIFORM PORE OPENINGS FROM 4 TO 5 ANGSTROM UNITS AT A TEMPERATURE OF ABOUT 50* TO 200* F., SELECTIVELY ADSORBING SAID HYDROGEN CHLORIDE, WITHDRAWING UNADSORBED CHLORINE, THEREAFTER RAISING THE TEMPERATURE OF SAID ZEOLITE TO ABOUT 700* TO 1000*F., AND RECOVERING SUBSTANTIALLY PURE HYDROGEN CHLORIDE.
References Cited (Backward Citations)
US2800197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |