US3062015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of gaseous mixtures
Assignee: Air Products and Chemicals Inc
•
Filing: 1957-03-08
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Granted: 1962-11-06
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Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Joe L Cost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:09
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/50; C01B3/506; F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0219; F25J3/0228; F25J3/0238; F25J3/0252; C01B2203/00; C01B2203/04; C01B2203/0465; C01B2203/047; C01B2203/0475; C01B2203/048; F25J2205/00; F25J2205/50; F25J2210/00; F25J2210/12; Y; Y10; Y10S; Y10S62/00; Y10S62/931; Y10S62/932
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
METHOD OF PRODUCING SUBSTANTIALLY PURE HYDROGEN FROM A HYDROGEN AND HYDROCARBON MIXTURE BY A LOW TEMPERATURE PROCESS, COMPRISING THESTEPS OF COOLING COMPRESSED HYDROGEN AND HYDROCARBON MIXTURE AND SEPARATING HYDROCARBONS THEREFROM BY PARTIAL LIQUEFACTION TO POROVIDE COLD GASEOUS MIXTURE INCLUDING HYDROGEN AND
Claim 2
Dependent Claim
41 words
METHOD OF PRODUCING SUBSTANTIALLY PURE HYDROGEN FROM A HYDROGEN AND HYDROCARBON MIXTURE BY A LOW TEMPERATURE PROCESS, COMPRISING THESTEPS OF COOLING COMPRESSED HYDROGEN AND HYDROCARBON MIXTURE AND SEPARATING HYDROCARBONS THEREFROM BY PARTIAL LIQUEFACTION TO POROVIDE COLD GASEOUS MIXTURE INCLUDING HYDROGEN AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |