US2830076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-halogen-3-hydroxy-benzoates and process of preparing them
Assignee: Hoechst AG
•
Filing: 1955-12-20
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Granted: 1958-04-08
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Expires: 1975-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ruschig Heinrich
- 👤 Korger Gerhard
- 👤 Lammler Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:59
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76; C07C69/84; C07C69/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
6-HALOGEN-3-HYDROXY-BENZOATES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
5 words
6-HALOGEN-3-HYDROXY-BENZOATES OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2572828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |