US2950254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a pearly luster in shampoo concentrates
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1956-04-24
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Granted: 1960-08-23
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Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 Meinhard Gunter
- 👤 Benzel Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/361; A61K8/19; A61K8/27; A61Q; A61Q5/00; A61Q5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD OF PRODUCING A PEARLY LUSTER IN AN AQUEOUS SHAMPOO CONCENTRATE COMPOSED ESSENTIALLY OF AN ANIONIC DETERGENT DISSOLVED IN AN AQUEOUS MEDIUM, WHICH COMPRISES HEATING SAID SHAMPOO CONCENTRATE TO A TEMPERATURE BETWEEN SUBSTANTIALLY ROOM TEMPERATURE AND ABOUT 80*C., DISPERSING IN SAID HEATED SHAMPOO CONCENTRATE BETWEEN ABOUT 2 AND 10% BY WEIGHT, BASED ON THE WEIGHT OF THE SHAMPOO CONCENTRATE, OF A HIGH MOLECULAR-WEIGHT ORGANIC MONOCARBOXYLIC ACID AND A SUBSTANTIALLY EQUIMOLAR AMOUNT, WITH RESPECT TO SAID HIGHMOLECULAR-WEIGHT ORGANIC MONOCARBOXYLIC ACID, OF A WATER-SOLUBLE SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND ZINC, AND ADDING AN ALKALINE AGENT TO THE RESULTING DISPERSION UNTIL THE PH OF SAID DISPERSION IS BETWEEN ABOUT 6.5 AND ABOUT 7.0.
Claim 2
Independent Claim
118 words
THE METHOD OF PRODUCING A PEARLY LUSTER IN AN AQUEOUS SHAMPOO CONCENTRATE COMPOSED ESSENTIALLY OF AN ANIONIC DETERGENT DISSOLVED IN AN AQUEOUS MEDIUM, WHICH COMPRISES HEATING SAID SHAMPOO CONCENTRATE TO A TEMPERATURE BETWEEN SUBSTANTIALLY ROOM TEMPERATURE AND ABOUT 80*C., DISPERSING IN SAID HEATED SHAMPOO CONCENTRATE BETWEEN ABOUT 2 AND 10% BY WEIGHT, BASED ON THE WEIGHT OF THE SHAMPOO CONCENTRATE, OF A HIGH MOLECULAR-WEIGHT ORGANIC MONOCARBOXYLIC ACID AND A SUBSTANTIALLY EQUIMOLAR AMOUNT, WITH RESPECT TO SAID HIGHMOLECULAR-WEIGHT ORGANIC MONOCARBOXYLIC ACID, OF A WATER-SOLUBLE SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND ZINC, AND ADDING AN ALKALINE AGENT TO THE RESULTING DISPERSION UNTIL THE PH OF SAID DISPERSION IS BETWEEN ABOUT 6.5 AND ABOUT 7.0.
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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |