Patent US2964498A successfully refreshed from Google Patents.
US2964498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polythene and polypropylene stabilized with a bis [ortho (1, 1, 3, 3-tetramethylbutyl) phenol] sulphide
Assignee: Imperial Chemical Industries Ltd
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Filing: 1959-03-11
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Granted: 1960-12-13
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Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Taylor Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION COMPRISING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYTHENE AND POLYPROPYLENE AND, AS A STABILIZER THEREFOR, A BIS(ORTHO (1,1,3,3-TETRAMETHYLBUTYL) PHENOL) SULPHIDE.
Claim 2
Dependent Claim
24 words
A COMPOSITION COMPRISING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYTHENE AND POLYPROPYLENE AND, AS A STABILIZER THEREFOR, A BIS(ORTHO (1,1,3,3-TETRAMETHYLBUTYL) PHENOL) SULPHIDE.
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |