US3792158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal halide-ester reaction process and compositions
Assignee: Dart Industries Inc
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Filing: 1972-10-02
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Granted: 1974-02-12
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Expires: 1992-10-02
Abstract
Abstract NEW COMPOSITIONS USEFUL AS ANTIPERSPIRANTS ARE DERIVED FROM THE REACTION OF A METAL HALIDE LEWIS ACID WITH AT LEAST ONE ESTER SELECTED FROM PYROCRBONATES, CARBONATES AND ORTHO FORMATES, WITH OR WITHOUT SUBSEQUENT FURTHER REACTION WITH AN ORGANIC HYDROXYL-CONTAINING COMPOUND.
Inventors
- 👤 M Fein
- 👤 J Roderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:35
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/26; A61K8/27; A61K8/28; A61K8/30; A61K8/33; A61K8/37; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0072
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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |