US3064062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective dehydrogenation of 2, 3-dimethyl butane
Assignee: Air Products and Chemicals Inc
•
Filing: 1960-09-20
•
Granted: 1962-11-13
•
Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Lorz Waldemar
- 👤 Mills George Alexander
- 👤 Shalit Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:57
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; C; C07; C07C; C07C5/00; C07C5/32; C07C5/327; C07C5/333; C07C5/3332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE PROCESS OF SELECTIVE DEHYDROGENATION, WITHOUT SUBSTANTIAL ISOMERIZATION, OF 2,3-DIMETHYL BUTANE TO HIGH YIELDS OF C6 OLEFINS, SAID PROCESS COMPRISING CONTACTING 2,3DIMETHYL BUTANE AT CONDICTIONS INCLUDING A TEMPERATURE IN
Claim 2
Dependent Claim
29 words
THE PROCESS OF SELECTIVE DEHYDROGENATION, WITHOUT SUBSTANTIAL ISOMERIZATION, OF 2,3-DIMETHYL BUTANE TO HIGH YIELDS OF C6 OLEFINS, SAID PROCESS COMPRISING CONTACTING 2,3DIMETHYL BUTANE AT CONDICTIONS INCLUDING A TEMPERATURE IN
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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |