US3766267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary halides of gluconamides
Assignee: Dyk & Co Inc Van
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Filing: 1971-03-03
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Granted: 1973-10-16
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Expires: 1991-03-03
Abstract
Abstract NOVEL COMPOSITIONS OF MATTER CONSISTING OF QUATERNARY HALDES OF TRALKYL OR HYDROXYALKYL AMINO ALKYL GLUCONAMIDES HAVE BEEN FOUND TO BE EXCELLENT EMOLLIENTS HAVING HIGH SUBSTANTIVITY FOR SKIN. THEY ARE PREPARED, FOR EXAMPLE, BY THE CONDENSATION OF DELTA GLUCONOLACTONE WITH GAMMA DIMETHYLAMINOPROPYL AMINE AND THE THE RESULTING FLUCAONAMIDE QUATERNIZED BY REACTION WITH AN ALKYL HALIDE OR HYDROXYALKYL HALIDE.
Inventors
- 👤 H Zak
- 👤 D Conner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:03
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/42; A61Q19/00; A61Q19/002; A61Q5/006; A61Q5/06
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |