US2665195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorine from hci
Assignee: Honeywell International Inc
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Filing: 1951-03-20
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Granted: 1954-01-05
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Expires: 1971-03-20
Abstract
No abstract record available.
Inventors
- 👤 William J Congdon
- 👤 Samuel W Grossmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:51
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/03; C01B7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A TWO-STAGE CYCLIC METHOD OF CONVERTING HCI INTO CHLORINE WHICH COMPRISES INTRODUCING HCI INTO A FIRST REACTION ZONE TOGETHER WITH EFFLUENT NITRIC ACID FROM A SECOND REACTION ZONE TO PRODUCE THEREBY AS PRIMARY REACTION PRODUCTS GASEOUS CHLORINE AND NITROSYL CHLORIDE AND NITRIC ACID MORE DILUTE THAN SAID EFFLUENT NITRIC ACID, DISCHARGING THE MORE DILUTE NITRIC ACID FROM THE FIRST REACTION ZONE, PASSING THE GASEOUS CHLORINE AND NITROSYL CHLORIDE FROM THE FIRST REACTION ZONE INTO THE SECOND REACTION ZONE, INTRODUCING CONCENTRATED NITRIC ACID OF AT LEAST 75 WEIGHT PERCENT CONCENTRATION INTO THE SECOND REACTION ZONE TO REACT WITH NITROSYL CHLORIDE THEREIN TO PRODUCE ADITIONAL CHLORINE, NITROGEN DIOXIDE AND WATER, DISCHARGING THE MIXTURE OF GASEOUS NITROGEN DIOXIDE AND CHLORINE FROM THE SECOND REACTION ZONE, FRACTIONATING SAID MIXTURE OF GASEOUS NITROGEN DIOXIDE AND CHLORINE TO SEPARATE AND RECOVER THE CHLORINE, AND RETURNING NITRIC ACID DILUTED BY THE WATER OF REACTION AS NITRIC ACD EFFLUENT FROM THE SECOND REACTION ZONE TO THE FIRST REACTION ZONE.
Claim 2
Dependent Claim
161 words
A TWO-STAGE CYCLIC METHOD OF CONVERTING HCI INTO CHLORINE WHICH COMPRISES INTRODUCING HCI INTO A FIRST REACTION ZONE TOGETHER WITH EFFLUENT NITRIC ACID FROM A SECOND REACTION ZONE TO PRODUCE THEREBY AS PRIMARY REACTION PRODUCTS GASEOUS CHLORINE AND NITROSYL CHLORIDE AND NITRIC ACID MORE DILUTE THAN SAID EFFLUENT NITRIC ACID, DISCHARGING THE MORE DILUTE NITRIC ACID FROM THE FIRST REACTION ZONE, PASSING THE GASEOUS CHLORINE AND NITROSYL CHLORIDE FROM THE FIRST REACTION ZONE INTO THE SECOND REACTION ZONE, INTRODUCING CONCENTRATED NITRIC ACID OF AT LEAST 75 WEIGHT PERCENT CONCENTRATION INTO THE SECOND REACTION ZONE TO REACT WITH NITROSYL CHLORIDE THEREIN TO PRODUCE ADITIONAL CHLORINE, NITROGEN DIOXIDE AND WATER, DISCHARGING THE MIXTURE OF GASEOUS NITROGEN DIOXIDE AND CHLORINE FROM THE SECOND REACTION ZONE, FRACTIONATING SAID MIXTURE OF GASEOUS NITROGEN DIOXIDE AND CHLORINE TO SEPARATE AND RECOVER THE CHLORINE, AND RETURNING NITRIC ACID DILUTED BY THE WATER OF REACTION AS NITRIC ACD EFFLUENT FROM THE SECOND REACTION ZONE TO THE FIRST REACTION ZONE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |