US3555095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy aminimines
Assignee: Ashland LLC
•
Filing: 1968-03-19
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Granted: 1971-01-12
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Expires: 1988-03-19
Abstract
Abstract AN ANHYDROUS COMPOUND USEFUL AS CHEMICAL INTERMEDIATES AND SURFACTANTS, HAVING AT LEAST ONE MOIETY OF THE FORMULA: >C(-OH)-C(-N(+)(-R1)(-R2)-NH(-))< WHEREIN R1 AND R2 REPRESENTS THE SAME OR DIFFERENT ALKYL, CYCLOALKYL, OR ARALKYL RADICALS OR TOGETHER REPRESENT A SINGLE DIVALENT ORGANIC RADICAL, AND PROCESSES FOR THEIR PREPARATION.
Inventors
- 👤 Robert C Slagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/28; C07D295/30; C07C; C07C241/00; C07C241/02; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |