US3821273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel dialkyl peroxydicarbonates
Assignee: Arkema Inc
•
Filing: 1970-07-30
•
Granted: 1974-06-28
•
Expires: 1990-07-30
Abstract
Abstract Novel solid, thermally safe and stable di-n-alkyl (tridecyl, tetradecyl, pentadecyl or hexadecyl) peroxydicarbonates; and the use thereof in polymerizing ethylenically unsaturated monomers and in curing unsaturated polyester resin compositions.
Inventors
- 👤 Angelo A D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:34
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/32
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
2 words
Di-n-tridecyl peroxydicarbonate.
Claim 2
Dependent Claim
2 words
Di-n-tetradecyl peroxydicarbonate.
Claim 3
Dependent Claim
2 words
Di-n-pentadecyl peroxydicarbonate.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |