US3244766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic production of olefins
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1961-06-06
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Granted: 1966-04-05
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Expires: 1981-06-06
Abstract
No abstract record available.
Inventors
- 👤 Allen H Keough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:24
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2861; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR DEHYDRATION OF ALCOHOLS TO FORM OLEFINS COMPRISING CONTACTING AT A REACTION TEMPERATURE BELOW 300*C. A NORMAL ALCOHOL, IN THE VAPOR PHASE, WITH MORDENITE IN THE HYDROGEN EXCHANGED FORM.
Claim 2
Dependent Claim
31 words
A PROCESS FOR DEHYDRATION OF ALCOHOLS TO FORM OLEFINS COMPRISING CONTACTING AT A REACTION TEMPERATURE BELOW 300*C. A NORMAL ALCOHOL, IN THE VAPOR PHASE, WITH MORDENITE IN THE HYDROGEN EXCHANGED FORM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |