US3418397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra-violet light stabilized polymers
Assignee: EIDP Inc
•
Filing: 1963-08-12
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Granted: 1968-12-24
•
Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:14
CPC Classifications
C; C08; C08L; C08L57/00; C08F; C08F8/00; C08F8/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A PHOTOSTABLE POLYMER COMPRISING: A POLYMERIC COMPOUND HAVING RECURRING STRUCTURAL UNITS OF THE FORMULA:
Claim 2
Dependent Claim
14 words
A PHOTOSTABLE POLYMER COMPRISING: A POLYMERIC COMPOUND HAVING RECURRING STRUCTURAL UNITS OF THE FORMULA:
Claim 3
Dependent Claim
26 words
A PHOTOSTABLE POLYMERIC COMPOSITION COMPRISING: A BLEND OF (1) A POLYMERIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA-OLEFINS AND A POLYMER HAVING THE GENERAL FORMULA:
Claim 4
Dependent Claim
26 words
A PHOTOSTABLE POLYMERIC COMPOSITION COMPRISING: A BLEND OF (1) A POLYMERIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA-OLEFINS AND A POLYMER HAVING THE GENERAL 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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |