US2848470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trichlorobenzoic acid compositions
Assignee: Heyden Newport Chemical Corp
•
Filing: 1957-09-26
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Granted: 1958-08-19
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Girard
- 👤 Bella Eugene P Di
- 👤 Sidi Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:07
CPC Classifications
C; C07; C07C; C07C63/00; C07C63/68; C07C63/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A MIXTURE OF ISOMERS OF TRICHLOROBENZOIC ACID AND SALTS OF SAID MIXTURE OF ISOMERS, SAID ISOMERIC MIXTURE CONTAINING FROM ABOUT 20% TO ABOUT 90% OF THE 2,3,6-ISOMER BASED ON THE TOTAL WEIGHT OF THE MIXTURE OF ISOMERS.
Claim 2
Dependent Claim
45 words
A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A MIXTURE OF ISOMERS OF TRICHLOROBENZOIC ACID AND SALTS OF SAID MIXTURE OF ISOMERS, SAID ISOMERIC MIXTURE CONTAINING FROM ABOUT 20% TO ABOUT 90% OF THE 2,3,6-ISOMER BASED ON THE TOTAL WEIGHT OF THE MIXTURE OF ISOMERS.
References Cited (Backward Citations)
US2726947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |