Patent US3898262A successfully refreshed from Google Patents.
US3898262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted O-{8 aminosulfonyl{9 -glycolic anilides
Assignee: BASF SE
•
Filing: 1974-09-03
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Granted: 1975-08-05
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Expires: 1994-09-03
Abstract
Abstract New and valuable substituted O-(aminosulfonyl)-glycolic anilides and a process for controlling the growth of unwanted plants with these compounds.
Inventors
- 👤 Adolf Fischer
- 👤 Gerhard Hamprecht
- 👤 Dietrich Mangold
- 👤 Wolfgang Rohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:00
CPC Classifications
C; C07; C07C; C07C307/00; C07C307/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A SUBSTITUDED O-(AMINOSULFONYL)-GLYCLOIC ANILIC OF THE FORMULA
Claim 2
Dependent Claim
7 words
A SUBSTITUDED O-(AMINOSULFONYL)-GLYCLOIC ANILIC OF THE FORMULA
Claim 3
Dependent Claim
9 words
The compound of claim 1, which is O-(2-chloroethylaminosulfonyl)-glycolic acid-N-isopropylanilide.
Claim 4
Dependent Claim
9 words
The compound of claim 1, which is O-(2-chloroethylaminosulfonyl)-glycolic acid-N-tert-butylanilide.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |