US2934578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for low temperature hydrogenation of olefins
Assignee: Individual
•
Filing: 1959-02-20
•
Granted: 1960-04-26
•
Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Milton D Scheer
- 👤 Klein Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:59
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/941; Y10S585/942; Y10S585/949; Y10S585/953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS FOR THE HYDROGENATION OF AN OLEFIN AT LOW TEMPERATURES COMPRISING THE STEPS OF CONDENSING AN OLEFIN IN A LOW TEMPERATURE REGION OF BETWEEN 20* AND 150* K., SUBJECTING HYDROGEN TO THERMAL DISSOCIATION, PASSING THE PRODUCTS OF SAID DISSOCIATION INTO SAD LOW TEMPERAM TO ROOM TEMPERATURE.
Claim 2
Dependent Claim
47 words
A PROCESS FOR THE HYDROGENATION OF AN OLEFIN AT LOW TEMPERATURES COMPRISING THE STEPS OF CONDENSING AN OLEFIN IN A LOW TEMPERATURE REGION OF BETWEEN 20* AND 150* K., SUBJECTING HYDROGEN TO THERMAL DISSOCIATION, PASSING THE PRODUCTS OF SAID DISSOCIATION INTO SAD LOW TEMPERAM TO ROOM TEMPERATURE.
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |