Patent US3655329A successfully refreshed from Google Patents.
US3655329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poly aluminum hydroxy complexes and process for their production
Assignee: Warner Lambert Co LLC
•
Filing: 1968-01-02
•
Granted: 1972-04-11
•
Expires: 1988-01-02
Abstract
Abstract WHICH ARE PREPARED BY NEUTRALIZING POLY ALUMINUM HYDROXIDE WITH A WATER SOLUBLE ACID HAVING A PKa of less than 5, for example, hydrochloric acid, hydrobromic acid, nitric acid, lactic acid, acetic acid, to obtain poly aluminum hydroxy complex of the formula: PAH-X, in which PAH is poly aluminum hydroxy and X is the anion; the PAH-X thus formed can be treated further with aqueous solution of water soluble salts to make other derivatives. These poly aluminum hydroxy PAH-X) complexes are useful as deodorant, anti-perspirant and astringent agents. A new class of poly aluminum hydroxy complexes of the formula:
Inventors
- 👤 I-Kao Shih
- 👤 Eric Blaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:09
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/02; C01F7/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |