US3022268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene composition
Assignee: EIDP Inc
•
Filing: 1958-07-17
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Granted: 1962-02-20
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Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Armitage John Brian
- 👤 Hyson Archibald Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:57
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/36; C08K5/37; C08K5/375
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A LIGHT-RESISTANT COMPOSITION CONTAINING POLYETHYLENE AND 0.0005% TO 1% BY WEIGHT OF THE POLYETHYLENE CONTENT OF THE COMPOSITION OF OCTADECYLSALICYLATE AND FROM 0.0005% TO 1% ON THE SAME BASIS OF 4,4''-THIOBIS-(6-TERTBUTYL-M-CRESOL).
Claim 2
Dependent Claim
31 words
A LIGHT-RESISTANT COMPOSITION CONTAINING POLYETHYLENE AND 0.0005% TO 1% BY WEIGHT OF THE POLYETHYLENE CONTENT OF THE COMPOSITION OF OCTADECYLSALICYLATE AND FROM 0.0005% TO 1% ON THE SAME BASIS OF 4,4''-THIOBIS-(6-TERTBUTYL-M-CRESOL).
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |