US2716633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable compositions
Assignee: EIDP Inc
•
Filing: 1954-07-22
•
Granted: 1955-08-30
•
Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Engelhardt Vaughn Arthur
- 👤 Peterson Marvin Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:18
CPC Classifications
C; C08; C08F; C08F4/00; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/109; Y10S430/114; Y10S430/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION COMPRISING A PHOTOPOLYMERIZABLE ETHYLENICALLY UNSATURATED ORGANIC COMPOUND AND, AS A PHOTOINITIATOR THEREFOR, FROM 0.1% TO 10% OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
24 words
A COMPOSITION COMPRISING A PHOTOPOLYMERIZABLE ETHYLENICALLY UNSATURATED ORGANIC COMPOUND AND, AS A PHOTOINITIATOR THEREFOR, FROM 0.1% TO 10% OF A COMPOUND OF THE FORMULA
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) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |