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Patent US3190907A successfully refreshed from Google Patents.
US3190907A
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Aminoethanesulfonic acid aryl esters
Assignee: BASF SE
•
Filing: 1962-05-14
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Granted: 1965-06-22
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Distler Harry
- 👤 Leibner Gerhard
- 👤 Fust Klaus Juergen
- 👤 Pommer Ernst-Heinrich
- 👤 Stummeyer Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:42
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; A01N41/08; C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF THE FORMULAE
Claim 2
Dependent Claim
10 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF THE FORMULAE
References Cited (Backward Citations)
US2241769A
Cited
US2721875A
Cited
US2978477A
Cited
US2920997A
Cited
US2853416A
Cited
US2830082A
Cited
US2894971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |