US3247276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic treatment of hydrocarbons
Assignee: Texaco Inc
•
Filing: 1962-07-09
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Granted: 1966-04-19
•
Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Edward T Child
- 👤 Robert J Leak
- 👤 Howard V Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:02
CPC Classifications
C; C07; C07C; C07C2/00; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; C07C5/00; C07C5/32; C07C5/327; C07C5/333; C07C5/3332; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/10; C07C2523/16; C07C2523/24; C07C2523/26; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A PROCESS FOR THE CATALYTIC TREATMENT OF HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF FOUR AND FIVE CARBON ATOM PARAFFINS AND OLEFINS AT AN ELEVATED TEMPERATURE, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID HYDROCARBONS IN A REACTION ZONE WITH A CATALYTIC STRUCTURE COMPRISING AN EXTENDED SURFACE CHROME STEEL SUPPORT, AN ADHERENT FILM OF ALUMINA FORMED ON SAID SUPPORT BY CONTACTING SAID SUPPORT WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL ALUMINATE HAVING A CONCENTRATION OF NOT LESS THAN 0.5 MOLAR AND SUBSEQUENTLY HEATING SAID RESULTING FILM OF ALUMINA TO EFFECT TRANSFORMATION OF SAID HAVING DEPOSITED ON SAID ALUMINA FILM OXIDES OF POTASSIUM, CERIUM AND CHROMIUM.
Claim 2
Dependent Claim
105 words
IN A PROCESS FOR THE CATALYTIC TREATMENT OF HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF FOUR AND FIVE CARBON ATOM PARAFFINS AND OLEFINS AT AN ELEVATED TEMPERATURE, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID HYDROCARBONS IN A REACTION ZONE WITH A CATALYTIC STRUCTURE COMPRISING AN EXTENDED SURFACE CHROME STEEL SUPPORT, AN ADHERENT FILM OF ALUMINA FORMED ON SAID SUPPORT BY CONTACTING SAID SUPPORT WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL ALUMINATE HAVING A CONCENTRATION OF NOT LESS THAN 0.5 MOLAR AND SUBSEQUENTLY HEATING SAID RESULTING FILM OF ALUMINA TO EFFECT TRANSFORMATION OF SAID HAVING DEPOSITED ON SAID ALUMINA FILM OXIDES OF POTASSIUM, CERIUM AND CHROMIUM.
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |