US3639664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoglycol ether derivatives of aluminum halides
Assignee: Chattem Inc
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Filing: 1969-02-25
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Granted: 1972-02-01
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Expires: 1989-02-25
Abstract
Abstract MONOGLYCOL ETHER DERIVATIVES OF ALUMINUM HAVING THE FORMULA: WHERE X IS A CHLORIDE, BROMIDE OR IODIDE ION, AND Y IS EITHER A GLYCOL ETHER GROUP (OCH2CH2OR WHERE R HAS FROM 1-4 CARBON ATOMS) OR AN ALKOXY RADICAL CONTAINING FROM 1 TO 18 CARBON ATOMS ARE DISCLOSED WHICH ARE USEFUL AS INTERMEDIATES FOR THE SYNTHESIS OF ALKOXYALUMINUM HYDRIDES AND AS ANITPERSPIRANTS. X-AL(-Y)-O-CH2-CH2-O-CH3
Inventors
- 👤 Horst W Schmank
- 👤 Benjamin H Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:18
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |