Patent US2841627A successfully refreshed from Google Patents.
US2841627A
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US
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Method of preserving a rubber with an alpha, alpha'-bis(hydroxyphenyl)-2, 6-xylenol ad resulting compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-10-10
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Granted: 1958-07-01
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Expires: 1972-10-10
Abstract
No abstract record available.
Inventors
- 👤 David J Beaver
- 👤 Paul J Stoffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
A VULCANIZED DIENE POLYMER RUBBER PRESERVED BY HAVING INCORPORATED THEREIN A COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2628953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |