US3226358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet light-absorbing epoxy resins and containers coated therewith
Assignee: OI Glass Inc
•
Filing: 1960-11-10
•
Granted: 1965-12-28
•
Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Robert M Smith
- 👤 Frederick C Haigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1317; Y10T428/1321; Y10T428/1352; Y10T428/31504; Y10T428/31511; Y10T428/31525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
AN ULTRAVIOLET LIGHT-ABSORBING REACTION PRODUCT OF AN EPOXY RESIN WITH AN ORGANIC AMINE CURING AGENT FOR SAID EPOXY RESIN IN THE PRESENCE OF 0.01 TO 10 WEIGHT PERCENT OF A HYDROXYBENZOPHENONE BASED ON THE WEIGHT OF SAID EPOXY RESIN WHEREIN SAID HYDROXYBENZOPHENONE HAS THE FORMULA:
Claim 2
Dependent Claim
45 words
AN ULTRAVIOLET LIGHT-ABSORBING REACTION PRODUCT OF AN EPOXY RESIN WITH AN ORGANIC AMINE CURING AGENT FOR SAID EPOXY RESIN IN THE PRESENCE OF 0.01 TO 10 WEIGHT PERCENT OF A HYDROXYBENZOPHENONE BASED ON THE WEIGHT OF SAID EPOXY RESIN WHEREIN SAID HYDROXYBENZOPHENONE HAS 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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |