Patent US3131027A successfully refreshed from Google Patents.
US3131027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the recovery of hydrogen chloride from a vapor mixture containing same
Assignee: Sunoco Inc
•
Filing: 1962-11-07
•
Granted: 1964-04-28
•
Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 Walter L Borkowski
- 👤 John J Van Venrooy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:20
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
METHOD FOR RECOVERING HYDROGEN CHLORIDE FROM A VAPOR MIXTURE CONTAINING HYDROGEN CHLORIDE WHICH COMPRISES CONTACTING THE VAPOR MIXTURE AT A RELATIVELY LOW TEMPERATURE WITH A SOLID ABSORBENT COMPRISING A FERRIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF FERRIC OXYCHLORIDE AND HYDRATED FERRIC OXYCHLORIDE, WHEREBY HYDROGEN CHLORIDE IS SELECTIVELY ABSORBED, HEATING THE ABSORBENT TO A TEMPERATURE ABOVE 100*C. AND AT LEAST 25*C. HIGHER THAN SAID RELATIVELY LOW TEMPERATURE BUT LESS THAN 300*C. AND RECOVERING HYDROGEN CHLORIDE EVOLVED THEREFROM.
Claim 2
Dependent Claim
77 words
METHOD FOR RECOVERING HYDROGEN CHLORIDE FROM A VAPOR MIXTURE CONTAINING HYDROGEN CHLORIDE WHICH COMPRISES CONTACTING THE VAPOR MIXTURE AT A RELATIVELY LOW TEMPERATURE WITH A SOLID ABSORBENT COMPRISING A FERRIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF FERRIC OXYCHLORIDE AND HYDRATED FERRIC OXYCHLORIDE, WHEREBY HYDROGEN CHLORIDE IS SELECTIVELY ABSORBED, HEATING THE ABSORBENT TO A TEMPERATURE ABOVE 100*C. AND AT LEAST 25*C. HIGHER THAN SAID RELATIVELY LOW TEMPERATURE BUT LESS THAN 300*C. AND RECOVERING HYDROGEN CHLORIDE EVOLVED THEREFROM.
References Cited (Backward Citations)
US3067009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |