US3199953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for production of anhydrous hydrogen bromide from lithium bromide
Assignee: California Research LLC
•
Filing: 1963-11-22
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Granted: 1965-08-10
•
Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Suzuki Shigeto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:34
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/09; C01B7/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
PROCESS FOR THE PRODUCTION OF ANHYDROUS HYDROGEN BROMIDE WHICH COMPRISES HEATING A SOLUTION CONSISTING ESSENTIALLY OF SUBSTANTIALLY ANHYDROUS LITHIUM BROMIDE IN AN ORGANIC CARBOXYLIC ACID, SAID HEATING BEING AT A TEMPERATURE IN THE RANGE FROM ABOUT 150-350*C. AND RECOVERING THE RESULTING EVOLVED HYDROGEN BROMIDE GAS.
Claim 2
Dependent Claim
45 words
PROCESS FOR THE PRODUCTION OF ANHYDROUS HYDROGEN BROMIDE WHICH COMPRISES HEATING A SOLUTION CONSISTING ESSENTIALLY OF SUBSTANTIALLY ANHYDROUS LITHIUM BROMIDE IN AN ORGANIC CARBOXYLIC ACID, SAID HEATING BEING AT A TEMPERATURE IN THE RANGE FROM ABOUT 150-350*C. AND RECOVERING THE RESULTING EVOLVED HYDROGEN BROMIDE GAS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |