Patent US2670383A successfully refreshed from Google Patents.
US2670383A
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Compound selected from the group consisting of thio bis [3-methyl-6-(1, 1, 3, 3-tetramethyl butyl)phenol] and thio bis
Assignee: Monsanto Chemicals Ltd
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Filing: 1950-06-30
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Granted: 1954-02-23
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Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 David J Beaver
- 👤 George L Magoun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:50
CPC Classifications
C; C07; C07C; C07C323/00; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THIO BIS (3-METHYL 6-(1,1,3,3-TETRAMETHYL BUTYL) PHENOL).
Claim 2
Dependent Claim
6 words
THIO BIS (3-METHYL 6-(1,1,3,3-TETRAMETHYL BUTYL) PHENOL).
References Cited (Backward Citations)
US2374559A
Cited
US2364338A
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US2398253A
Cited
US2451345A
Cited
US2518379A
Cited
US2560050A
Cited
US2560049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |