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Patent US3155591A successfully refreshed from Google Patents.
US3155591A
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Hair rinse compostions of polyoxypropylene quaternary ammonium compounds
Assignee: Witco Corp
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Filing: 1961-12-06
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Granted: 1964-11-03
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Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Hilfer Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:11
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A METHOD OF TREATING HAIR ON THE HUMAN HEAD AFTER SHAMPOOING THE SAME TO IMPROVE ITS COMBING PROPERTIES, WHICH COMPRISES RINSING THE SHAMPOOED HAIR WITH A DILUTE AQUEOUS SOLUTION CONTAINING A CHEMICAL COMPOUND CORRESPONDING TO THE FORMULA
Claim 2
Independent Claim
37 words
A METHOD OF TREATING HAIR ON THE HUMAN HEAD AFTER SHAMPOOING THE SAME TO IMPROVE ITS COMBING PROPERTIES, WHICH COMPRISES RINSING THE SHAMPOOED HAIR WITH A DILUTE AQUEOUS SOLUTION CONTAINING A CHEMICAL COMPOUND CORRESPONDING TO THE FORMULA
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |