US2517339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for effecting chemical reactions
Assignee: Gulf Research and Development Co
•
Filing: 1946-08-05
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Granted: 1950-08-01
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Expires: 1966-08-05
Abstract
No abstract record available.
Inventors
- 👤 William C Offutt
- 👤 Merald C Fogle
- 👤 Ralph W Helwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:36
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; B; B01; B01J; B01J8/00; B01J8/08; B01J8/10; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0405; C07C1/041; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/06; C10B7/00; C10B7/10; B01J2219/00; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A PROCESS FOR EFFECTING A CHEMICAL REACTION WHEREIN A FLUID IS TREATED WITH A NON-FLUIDIZED SOLID PARTICULATE TREATING AGENT IN A REACTION ZONE TO EFFECT SAID CHAMEICAL REACTION, THE STEPS WHICH COMPRISE PASSING A STREAM OF SAID TREATING AGENT THROUGH SAID REACTION ZONE IN A SUBSTANTIALLY HELICAL PATH, SAID TREATING AENT OCCUPYING A MAJOR PORTION OF THE FREE SPACE OF SAID REACTION ZONE, SIMULTANEOUSLY PASSING A STREAM OF SAID FLUID IN A SUBSTANTIALLY HELICAL PATH THROUGH SAID REACTION ZONE IN CONTACT WITH SAID TREATING AGENT, WITHDRAWING TREATING AGENT FROM SAID REACTION ZONE, AND WITHDRAWING TREATED FLUID FROM SAID REACTION ZONE.
Claim 2
Dependent Claim
101 words
IN A PROCESS FOR EFFECTING A CHEMICAL REACTION WHEREIN A FLUID IS TREATED WITH A NON-FLUIDIZED SOLID PARTICULATE TREATING AGENT IN A REACTION ZONE TO EFFECT SAID CHAMEICAL REACTION, THE STEPS WHICH COMPRISE PASSING A STREAM OF SAID TREATING AGENT THROUGH SAID REACTION ZONE IN A SUBSTANTIALLY HELICAL PATH, SAID TREATING AENT OCCUPYING A MAJOR PORTION OF THE FREE SPACE OF SAID REACTION ZONE, SIMULTANEOUSLY PASSING A STREAM OF SAID FLUID IN A SUBSTANTIALLY HELICAL PATH THROUGH SAID REACTION ZONE IN CONTACT WITH SAID TREATING AGENT, WITHDRAWING TREATING AGENT FROM SAID REACTION ZONE, AND WITHDRAWING TREATED FLUID FROM SAID REACTION ZONE.
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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) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |