Patent US3264274A successfully refreshed from Google Patents.
US3264274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diperesters of polyols
Assignee: U S Peroxygen Corp
•
Filing: 1963-11-18
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Granted: 1966-08-02
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Newton G Leveskis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:07
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/38; C08; C08F; C08F4/00; C08F4/28; C08F4/32
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
10 words
AN ALKYL DIPERESTER OF A DIHYDRIC ALKANOL OF THE FORMULA:
Claim 2
Dependent Claim
10 words
AN ALKYL DIPERESTER OF A DIHYDRIC ALKANOL OF THE FORMULA:
Claim 3
Dependent Claim
36 words
A METHOD FOR PREPARING A VINYL RESIN HAVING MINIMUM DISCOLORATION COMPRISING SUBJECTING A FREE RADICAL CATALYZABLE VINYL MONOMER TO FREE RADICAL POLYMERIZATION CONDITIONS IN THE PRESENCE OF A CATALYTIC AMOUNT OF THE COMPOUND OF CLAIM 1.
References Cited (Backward Citations)
US2464062A
Cited
US2610965A
Cited
US2857030A
Cited
US2813127A
Cited
US3096310A
Cited
US3117166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |