US2825627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hydrogen bromide
Assignee: Technical Enterprises Inc
•
Filing: 1955-07-19
•
Granted: 1958-03-04
•
Expires: 1975-07-19
Abstract
No abstract record available.
Inventors
- 👤 Redniss Alexander
- 👤 Goodman Solomon
- 👤 Cantor Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:52
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/09; C01B7/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR THE CONTINUOUS PRODUCTION OF SULFURIC ACID AND GASEOUS HYDROGEN BROMIDE, WHICH COMPRISES CONTINUOUSLY FEEDING INTO A REACTION ZONE, CONTAINING BROMINE AND SULFUR AND WHICH IS AT SUCH A TEMPERATURE AND PRESSURE AS TO MAINTAIN THE REACTION MEDIUM IN LIQUID STATE, WATER AT A RATE APPROXIMATING ITS RATE OF REACTION WITH SAID BROMINE AND SULFUR, AND CONTINUOUSLY REMOVING GASE-
Claim 2
Dependent Claim
61 words
A PROCESS FOR THE CONTINUOUS PRODUCTION OF SULFURIC ACID AND GASEOUS HYDROGEN BROMIDE, WHICH COMPRISES CONTINUOUSLY FEEDING INTO A REACTION ZONE, CONTAINING BROMINE AND SULFUR AND WHICH IS AT SUCH A TEMPERATURE AND PRESSURE AS TO MAINTAIN THE REACTION MEDIUM IN LIQUID STATE, WATER AT A RATE APPROXIMATING ITS RATE OF REACTION WITH SAID BROMINE AND SULFUR, AND CONTINUOUSLY REMOVING GASE-
References Cited (Backward Citations)
GB331203A
Cited
US2432465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |