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US2427658A
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Amine salts of trichloro-2-hydroxydiphenyl
Assignee: Dow Chemical Co
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Filing: 1943-10-16
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Granted: 1947-09-23
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Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Coleman
- 👤 Wesley D Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:16
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/62; C07C215/00; C07C215/02; C07C215/40; C07C39/00; C07C39/24; C07C39/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR709788A
Cited
US1919298A
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US1940817A
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US1992577A
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US2222486A
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US2189420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-22 | 1951-03-24 | 1951-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-22 | 1955-03-24 | 1955-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-22 | 1959-03-24 | 1959-09-23 | $7700.00 | Window Closed / Lapsed |