US2983651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing of animal fibres
Assignee: L'Oréal SA
•
Filing: 1956-12-10
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Granted: 1961-05-09
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Seemuller John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:54
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61K8/34; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; D; D06; D06P; D06P1/00; D06P1/44; D06P1/60; D06P1/613; D06P1/6131; D06P1/6133; D06P1/64; D06P1/651; D06P1/65106; D06P1/65131; D06P1/90; D06P1/92; D06P1/928; D06P3/00; D06P3/02; D06P3/04; D06P3/30; A61K2800/00; A61K2800/40; A61K2800/42; A61K2800/43; A61K2800/432; Y; Y10; Y10S; Y10S8/00; Y10S8/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD OF DYEING LIVE HUMAN HAIR WHICH COMPRISES APPLYING THERETO AT ROOM TEMPERATURE A PREFORMED DYESTUFF SELECTED FROM THE GROUP CONSISTING OF ACID DYES, BASIC DYES, DISPERSED DYES, DIRECT DYES AND SOLVENT DYES IN THE FORM OF A SOLUTION IN A HOMOGENEOUS AQUEOUS MIXTURE ESSENTIALLY CONSISTING OF WATER AND 5% TO 20% BY WEIGHT OF THE DYE SOLUTION OF AN ORGANIC WATER MISCIBLE SOLVENT SELECTED FROM THE GROUP CONSISTING OF 2-BUTOXYETHANOL AND A CONDENSATION PRODUCT OF 1 MOLE OF ISOAMYL ALCOHOL WITH 1.2 MOLES OF ETHYLENE OXIDE.
Claim 2
Independent Claim
88 words
A METHOD OF DYEING LIVE HUMAN HAIR WHICH COMPRISES APPLYING THERETO AT ROOM TEMPERATURE A PREFORMED DYESTUFF SELECTED FROM THE GROUP CONSISTING OF ACID DYES, BASIC DYES, DISPERSED DYES, DIRECT DYES AND SOLVENT DYES IN THE FORM OF A SOLUTION IN A HOMOGENEOUS AQUEOUS MIXTURE ESSENTIALLY CONSISTING OF WATER AND 5% TO 20% BY WEIGHT OF THE DYE SOLUTION OF AN ORGANIC WATER MISCIBLE SOLVENT SELECTED FROM THE GROUP CONSISTING OF 2-BUTOXYETHANOL AND A CONDENSATION PRODUCT OF 1 MOLE OF ISOAMYL ALCOHOL WITH 1.2 MOLES OF ETHYLENE OXIDE.
References Cited (Backward Citations)
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Cited
DE582521C
Cited
US2116521A
Cited
US2095221A
Cited
US2118432A
Cited
GB669192A
Cited
US2776668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |