US3761232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for odorizing cryogenic liquids
Assignee: Gas Technology Institute
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Filing: 1971-05-10
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Granted: 1973-09-25
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Expires: 1991-05-10
Abstract
Abstract A METHOD FOR ODORIZING CRYOGENIC LIQUIDS SUCH AS LIQUEFIED NATURAL GAS WITH SUFFICIENT LEVELS OF DETECTABLE SULFUR CONTAINING ODORANTS BY THE STEPS OF FIRST DISSOLVING SAID ODORANT IN A LIQUEFIELD CARRIER MISCIBLE WITH THE CRYOGENIC LIQUID AT CONCNETRATION LEVELS NOT ATTAINABLE IN THE CRYOGENIC LIQUID; AND THEN COMBINING SAID LIQUEFIED CARRIER WITH ODORANT AND THE CRYOGENIC LIQUID TO PROVIDE THE DISSOLVED ODORANT IN THE MIXTURE AT THE DESIRED DETECTABLE LEVELS UPON VAPORIZATION OF THE CRYOGENIC LIQUID.
Inventors
- 👤 D Klass
- 👤 C Landahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:29
CPC Classifications
C; C10; C10L; C10L3/00; C10L3/003; C10L3/006
Claims Analysis
Total Claims: 0
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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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |