US2691683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Symmetrical bis (alpha, alpha-dialkyl-alpha-arylmethyl) peroxides and method of preparation
Assignee: Hercules Powder Co
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Filing: 1950-07-01
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Granted: 1954-10-12
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Expires: 1970-07-01
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Lorand
- 👤 John E Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AS A NEW COMPOUND A SYMMETRICAL BIS(A,ADIMETHYL-A-ARYLMETHYL) PEROXIDE.
Claim 2
Dependent Claim
8 words
AS A NEW COMPOUND A SYMMETRICAL BIS(A,ADIMETHYL-A-ARYLMETHYL) PEROXIDE.
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) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |