US3043709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic polymeric structure having an ultraviolet light absorbent compound incorporated therein
Assignee: EIDP Inc
•
Filing: 1958-07-18
•
Granted: 1962-07-10
•
Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Amborski Leonard Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C08J2301/00; C08J2301/08; C08J2301/10; C08J2301/12; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2327/12; C08J2327/14; Y; Y10; Y10S; Y10S47/00; Y10S47/06; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/3154; Y10T428/31786; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31938; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PROCESS FOR IMPARTING RESISTANCE TO DEGRADATION BY ULTRAVIOLET LIGHT TO AN ORGANIC POLYMERIC SHAPED STRUCTURE WHICH COMPRISES THE STEPS OF APPLYING TO THE SURFACE OF SAID STRUCTURE A SUBSTITUTED BENZOPHENONE DERIVATIVE HAVING THE FORMULA
Claim 2
Dependent Claim
35 words
A PROCESS FOR IMPARTING RESISTANCE TO DEGRADATION BY ULTRAVIOLET LIGHT TO AN ORGANIC POLYMERIC SHAPED STRUCTURE WHICH COMPRISES THE STEPS OF APPLYING TO THE SURFACE OF SAID STRUCTURE A SUBSTITUTED BENZOPHENONE DERIVATIVE HAVING THE FORMULA
References Cited (Backward Citations)
US1497971A
Cited
US2129131A
Cited
US2693492A
Cited
US2614940A
Cited
US2568894A
Cited
US2757100A
Cited
US2915416A
Cited
US2917402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |