US2905712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acids and ketones prepared from peroxides and polyhalomethanes
Assignee: Pure Oil Co
•
Filing: 1956-12-24
•
Granted: 1959-09-22
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 John B Braunwarth
- 👤 Gifford W Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:47
CPC Classifications
C; C07; C07C; C07C51/00; C07C45/00; C07C45/51; C07C45/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE PROCESS WHICH COMPRISES CONVERTING A COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
11 words
THE PROCESS WHICH COMPRISES CONVERTING A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2811551A
Cited
US2710302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |