US2670382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservatives
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-06-10
•
Granted: 1954-02-23
•
Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 Paul M Downey
- 👤 Richard O Zerbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:03
CPC Classifications
C; C07; C07C; C07C323/00; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; C10; C10M; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A THIO BIS(3,6-DISUBSTITUTED PHENOL) OF THE STRUCTURE
Claim 2
Dependent Claim
7 words
A THIO BIS(3,6-DISUBSTITUTED PHENOL) OF THE STRUCTURE
References Cited (Backward Citations)
US2374559A
Cited
US2364338A
Cited
US2434396A
Cited
US2518379A
Cited
US2581919A
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 |