US3978079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemiluminescence
Assignee: Omniglow Corp
•
Filing: 1974-07-24
•
Granted: 1976-08-31
•
Expires: 1994-07-24
Abstract
Abstract Novel O-oxalylhydroxyl-amine compositions of matter and reactions and to the direct generation of light from chemical energy employing such compositions. By "light" as referred to herein is meant electromagnetic radiation at wavelengths falling between about 350 m mu and 800 m mu . Disclosed compounds include diphthalimide oxalate, disuccinimido oxalate, and dimaleimido oxalate.
Inventors
- 👤 Laszlo Joseph Bollyky
- 👤 Robert Henry Weitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C09; C09K; C09K11/00; C09K11/06; C09K11/07
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
2 words
Diphthalimido oxalate.
Claim 2
Dependent Claim
2 words
Diphthalimido oxalate.
Claim 3
Dependent Claim
2 words
Disuccinimido oxalate.
Claim 4
Dependent Claim
2 words
Disuccinimido oxalate.
Claim 5
Dependent Claim
2 words
Dimaleimido oxalate.
Claim 6
Dependent Claim
2 words
Dimaleimido oxalate.
References Cited (Backward Citations)
US3301826A
Cited
US3306902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-31 | 1980-03-01 | 1980-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-31 | 1984-03-01 | 1984-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-31 | 1988-03-01 | 1988-08-31 | $7700.00 | Window Closed / Lapsed |