Patent US1418900A successfully refreshed from Google Patents.
US1418900A
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Process for the manufacture of new mono- and di-beta-oxyethyl-aminobenzoic esters
Assignee: Chimique des Usines du Rhone
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Filing: 1919-06-13
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Granted: 1922-06-06
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Expires: 1939-06-13
Abstract
No abstract record available.
Inventors
- 👤 Altwegg Jean
- 👤 Landrivon Joanny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:37
CPC Classifications
C; C07; C07C; C07C229/00; C07C229/52; C07C229/54; C07C229/64; A; A61; A61K; A61K31/00; A61K31/21; A61K31/215; A61K31/235; A61K31/24; A61K31/245; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/10
Claims Analysis
Total Claims: 0
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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) | 1925-06-05 | 1925-12-05 | 1926-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-05 | 1929-12-05 | 1930-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-05 | 1933-12-05 | 1934-06-06 | $7700.00 | Window Closed / Lapsed |