Patent US3268476A successfully refreshed from Google Patents.
US3268476A
Expired / Lapsed
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Dye receptive and light stable polyolefins containing chromium complexes
Assignee: Hercules Powder Co
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Filing: 1963-04-01
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Granted: 1966-08-23
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Albert S Matlack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A STEREOREGULAT POLYMER OF A MON-A-OLEFIN HAGING AT LEAST 2 CARBONS CONTAINS CONTAINING, BASED ON THE WEIGHT OF THE POLYMER, ABOUT 0.1 TO ABOUT 5% OF A COMPLEX SALT OF CHROMIUM HAVING THE GENERAL FORMULA CR(LIGANT)MXN, WHEREIN THE LIGAND FUNCTION IS SELECTED FROM THE GROUP CONSISTING OF (1) CYCLIC COMPOUNDS CONTAINING A SINGLE METERO ATOM WHICH IS A TERTIARY NITROGEN ATOM AND (2) ORGANIC COMPOUNDS CONTAINING AT LEAST 2 ATOMS SELECTED FROM THE GROUP CONSISTING OF NITROGEN AND OXYGEN, AT LEAST 1 OF SAID 2 ATOMS BEING NITROGEN, SAID ATOMS BEING SEPARATED FROM EACH OTHER BY AT LEAST 1 CARBON ATOM, X IS AN ANION, M IS AN INTEGER FROM 1 TO 3, AND N IS A NUMBER 3 V WHERE X EQUALS THE VALENCE OF SAID ANION.
Claim 2
Dependent Claim
128 words
A STEREOREGULAT POLYMER OF A MON-A-OLEFIN HAGING AT LEAST 2 CARBONS CONTAINS CONTAINING, BASED ON THE WEIGHT OF THE POLYMER, ABOUT 0.1 TO ABOUT 5% OF A COMPLEX SALT OF CHROMIUM HAVING THE GENERAL FORMULA CR(LIGANT)MXN, WHEREIN THE LIGAND FUNCTION IS SELECTED FROM THE GROUP CONSISTING OF (1) CYCLIC COMPOUNDS CONTAINING A SINGLE METERO ATOM WHICH IS A TERTIARY NITROGEN ATOM AND (2) ORGANIC COMPOUNDS CONTAINING AT LEAST 2 ATOMS SELECTED FROM THE GROUP CONSISTING OF NITROGEN AND OXYGEN, AT LEAST 1 OF SAID 2 ATOMS BEING NITROGEN, SAID ATOMS BEING SEPARATED FROM EACH OTHER BY AT LEAST 1 CARBON ATOM, X IS AN ANION, M IS AN INTEGER FROM 1 TO 3, AND N IS A NUMBER 3 V WHERE X EQUALS THE VALENCE OF SAID ANION.
References Cited (Backward Citations)
US3148936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |