Patent US3632764A successfully refreshed from Google Patents.
US3632764A
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Alkyl-hydroxamic acids and salts thereof as anti-fungal agents
Assignee: Stepan Co
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Filing: 1969-12-15
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Granted: 1972-01-04
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Expires: 1989-12-15
Abstract
Abstract THE USE OF ALKYL-HYDROXAMIC ACIDS OR THEIR SALTS IN THE TREATMENT OF SURFACES SUCH AS FABRIC, SKIN HIDES, WOOD, METAL, AND PLASTIC FOR THE PURPOSE OF PROVIDING AN ANTIFUNGAL FINISH TO THE SURFACES. THESE COMPOUND ARE PREPARED BY THE REACTION OF THE CORRESPONDING CARBOXYLIC ESTER WITH HYDROXYLAMINE.
Inventors
- 👤 Reginald L Wakeman
- 👤 Edward Griffin Shay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/18; A01N37/28
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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |