US3210437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for hydrogenation of olefinic hydrocarbons
Assignee: Texaco Inc
•
Filing: 1961-10-25
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Granted: 1965-10-05
•
Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Jr James M Caffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:15
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B01J29/7003; C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF HYDROGENATING AN OLEFIN WHICH COMPRISES CONTACTING SAID OLEFIN IN THE PRESENCE OF HYDROGEN WITH A MOLECULAR SIEVE ADSORBENT TO ADSORB SAID OLEFIN, SAID ADSORBENT HAVING BEEN SUBJECTED TO GAMMA IRRADIATION OF NOT LESS THAN .1X10**3 ROETNTGENS, DESORBING THE RESULTING PRODUCT FROM SAID MOLECULAR SIEVE ADSORBENT AND RECOVERING THE HYDROGENATION PRODUCT.
Claim 2
Independent Claim
53 words
A METHOD OF HYDROGENATING AN OLEFIN WHICH COMPRISES CONTACTING SAID OLEFIN IN THE PRESENCE OF HYDROGEN WITH A MOLECULAR SIEVE ADSORBENT TO ADSORB SAID OLEFIN, SAID ADSORBENT HAVING BEEN SUBJECTED TO GAMMA IRRADIATION OF NOT LESS THAN .1X10**3 ROETNTGENS, DESORBING THE RESULTING PRODUCT FROM SAID MOLECULAR SIEVE ADSORBENT AND RECOVERING THE HYDROGENATION PRODUCT.
References Cited (Backward Citations)
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Cited
US2905606A
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US2967159A
Cited
US3058896A
Cited
US3055814A
Cited
US3002910A
Cited
US3002911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |