US2527640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of hydroperoxides
Assignee: Hercules Powder Co
•
Filing: 1947-05-15
•
Granted: 1950-10-31
•
Expires: 1967-05-15
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Lorand
- 👤 John E Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:52
CPC Classifications
C; C07; C07C; C07C407/00; C07C407/003; C07C407/006; Y; Y10; Y10S; Y10S260/00; Y10S260/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
AN A,A-DIALKYLARYLMETHYL HYDROPEROXIDE STABILIZED WITH FROM ABOUT 0.01 TO ABOUT 5.0% BASED ON THE HYDROPEROXIDE, OF A WATER-SOLUBLE INORGANIC ALKALI.
Claim 2
Dependent Claim
20 words
AN A,A-DIALKYLARYLMETHYL HYDROPEROXIDE STABILIZED WITH FROM ABOUT 0.01 TO ABOUT 5.0% BASED ON THE HYDROPEROXIDE, OF A WATER-SOLUBLE INORGANIC ALKALI.
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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |