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Patent US3282887A successfully refreshed from Google Patents.
US3282887A
Expired / Lapsed
US
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Nickel phenolates and their use as light stabilizers for polyolefins
Assignee: Hercules LLC
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Filing: 1962-08-06
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Granted: 1966-11-01
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Soeder Mary Lou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:39
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/10; C; C07; C07C; C07C317/00; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/58; C07D311/60; C07F; C07F15/00; C07F15/04; C07F15/045; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/138; C08K5/36; C08K5/41
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
42 words
A POLYOLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND A STEREOREGULAR POLYMER OF AN ALPHAOLEFIN HAVING FROM 3 TO 6 CARBON ATOMS CONTAINING FROM ABOUT 0.01% TO ABOUT 5% BY WEIGHT OF THE POLYOLEFIN OF A NICKEL PHENOLATE OF THE FORMULA:
Claim 2
Dependent Claim
42 words
A POLYOLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND A STEREOREGULAR POLYMER OF AN ALPHAOLEFIN HAVING FROM 3 TO 6 CARBON ATOMS CONTAINING FROM ABOUT 0.01% TO ABOUT 5% BY WEIGHT OF THE POLYOLEFIN OF A NICKEL PHENOLATE OF THE FORMULA:
Claim 3
Dependent Claim
43 words
THE COMPOSITION OF CLAIM 1 ALSO CONTAINING FROM O.O1% TO 5% BY WEIGHT OF THE POLYOLEFIN OF PHENOLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYALKYLPHENOLS, ALKYLIDENE - BIS(ALKYLPHENOL)S, 2-(2'' HYDROXYPHENYL) -2,4,4-POLYALKYLCHROMAN, 4-(2''-HYDROXYPHENYL)-2,2,4-POLYALKYLCHROMANS, THIOSBISPHENOLS AND ADDUCTS OF AN ALKYPHENOL AND A CYCLIC TERPENE.
References Cited (Backward Citations)
US2665265A
Cited
US3032573A
Cited
US2971968A
Cited
US2971940A
Cited
US2971941A
Cited
US3006885A
Cited
US3006886A
Cited
US3098863A
Cited
US3072601A
Cited
US3074909A
Cited
US3102107A
Cited
US3107232A
Cited
US3127372A
Cited
US3074910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |