US2857314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble ethyl cellulose and plasticizer anhydrous aerosol hair lacquer
Assignee: Hercules Powder Co
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Filing: 1954-06-07
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Granted: 1958-10-21
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Expires: 1974-06-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Herman G Philips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/72; A61K8/73; A61K8/731; A61Q; A61Q5/00; A61Q5/06; A61K2800/00; A61K2800/20; A61K2800/30; A61K2800/31; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A SUBSTANTIALLY ANHYDROUS AEROSOL HAIR-DRESSING LACQUER OF THE PRESSURE-GENERATING SOLVENT TYPE CONTAINING AS ESSENTIAL INGREDIENTS IN A SINGLE PHASE MIXTURE FROM ABOUT 0.5 TO ABOUT 3 PARTS BY WEIGHT OF WATERINSOLUBLE ORGANOSOLUBLE ETHYL CELLULOSE HAVING AN ETHOXYL CONTENT BETWEEN ABOUT 45% AND ABOUT 50% BY WEIGHT, FROM ABOUT 0.5 TO ABOUT 3 PARTS BY WEIGHT OF A WATERSENSITIVE ETHYL CELLULOSE PLASTICIZER, FROM ABOUT 15 TO ABOUT 65 PARTS BY WEIGHT OF A LOWER ALIPHATIC ALCOHOL HAVING FROM 1 TO 3 CARBON ATOMS IN THE MOLECULE, AND FROM ABOUT 35 TO ABOUT 80 PARTS OF A PRESSURE-GENERATING SOLVENT OF THE GROUP CONSISTING OF DICHLORODIFLUOROMETHANE AND MIXTURES OF DICHLORODIFLUOROMETHANE AND 1,1,1TRICHLOROMONOFLUOROETHANE CONTAINING AT LEAST ABOUT 30% BY WEIGHT OF DICHLORODIFLUOROMETHANE, THE COMBINED WEIGHT OF ETHYL CELLULOSE AND WATER-SENSITIVE PLASTICIZER IN SAID LACQUER BEING BETWEEN ABOUT 1% AND ABOUT 5% BY WEIGHT, AND THE RATIO OF ETHYL CELLULOSE TO WATER-SENSITIVE PLASTICIZER BEING BETWEEN ABOUT 50:50 AND 85:15 BY WEIGHT.
Claim 2
Dependent Claim
156 words
A SUBSTANTIALLY ANHYDROUS AEROSOL HAIR-DRESSING LACQUER OF THE PRESSURE-GENERATING SOLVENT TYPE CONTAINING AS ESSENTIAL INGREDIENTS IN A SINGLE PHASE MIXTURE FROM ABOUT 0.5 TO ABOUT 3 PARTS BY WEIGHT OF WATERINSOLUBLE ORGANOSOLUBLE ETHYL CELLULOSE HAVING AN ETHOXYL CONTENT BETWEEN ABOUT 45% AND ABOUT 50% BY WEIGHT, FROM ABOUT 0.5 TO ABOUT 3 PARTS BY WEIGHT OF A WATERSENSITIVE ETHYL CELLULOSE PLASTICIZER, FROM ABOUT 15 TO ABOUT 65 PARTS BY WEIGHT OF A LOWER ALIPHATIC ALCOHOL HAVING FROM 1 TO 3 CARBON ATOMS IN THE MOLECULE, AND FROM ABOUT 35 TO ABOUT 80 PARTS OF A PRESSURE-GENERATING SOLVENT OF THE GROUP CONSISTING OF DICHLORODIFLUOROMETHANE AND MIXTURES OF DICHLORODIFLUOROMETHANE AND 1,1,1TRICHLOROMONOFLUOROETHANE CONTAINING AT LEAST ABOUT 30% BY WEIGHT OF DICHLORODIFLUOROMETHANE, THE COMBINED WEIGHT OF ETHYL CELLULOSE AND WATER-SENSITIVE PLASTICIZER IN SAID LACQUER BEING BETWEEN ABOUT 1% AND ABOUT 5% BY WEIGHT, AND THE RATIO OF ETHYL CELLULOSE TO WATER-SENSITIVE PLASTICIZER BEING BETWEEN ABOUT 50:50 AND 85:15 BY WEIGHT.
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |