US3849467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted o-(aminosulfonyl)-glycolic anilides
Assignee: BASF SE
•
Filing: 1974-02-21
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Granted: 1974-11-19
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Expires: 1994-02-21
Abstract
Abstract 1. A SUBSTITUTED O-(AMINOSULFONYL)-GLYCOLIC ANILIDE OF THE FORMULA X,Y-PHENYL-N(-R2)-CO-CH2-O-SO2-NH-R1 WHEREIN R1 DENOTES HYDROGEN, ALKYL OR HALOALKYL OF 1 TO 6 CARBON ATOMS, CYCLO PENTYL OR CYCLOHEXYL, R2 DENOTES ALKYL OF 1 TO 6 CARBON ATOMS, CYCLOPHETYL OR CYCLOHEXYL, X DENOTES HYDROGEN, HALOGEN, ALKYL, HALOALKYL OR ALKOXY OF 1 TO 6 CARBON ATOMS, Y DENOTES HYDROGEN OR ALKYL OF 1 TO 6 CARBON ATOMS, WITH THE PROVISO THAT BOTH X AND Y CANNOT DENOTE HYDROGEN.
Inventors
- 👤 D Mangold
- 👤 G Hamprecht
- 👤 A Fischer
- 👤 W Rohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:03
CPC Classifications
C; C07; C07C; C07C307/00; C07C307/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A SUBSTITUTED O-(AMINOSULFONYL)-GLYCOLIC ANILIDE OF THE FORMULA
Claim 2
Dependent Claim
7 words
A SUBSTITUTED O-(AMINOSULFONYL)-GLYCOLIC ANILIDE OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |