EP0464836A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Hair fixatives
Assignee: Dow Silicones Corp
•
Filing: 1991-07-05
•
Granted: —
•
Expires: 2011-07-05
Abstract
Abstract A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an organosilicon compound which is a nonpolar silsesquioxane. Hair fixative compositions including the nonpolar silsesquioxane are also disclosed.
Inventors
- 👤 Daniel Joseph Halloran
- 👤 Judith Merrane Vincent
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61K2800/00; A61K2800/40; A61K2800/54; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
145 words
In a hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair, the improvement comprising utilizing as the film forming ingredient an organosilicon compound which is a nonpolar silsesquioxane having a formula selected from the group consisting of RSiO 3/2 , (RSiO 3/2 ) w (R'R''SiO) x (SiO 4/2 ) y , (RSiO 3/2 ) w (R'R''SiO) x (SiO 4/2 ) y (R₃'''SiO) z and hydroxy, alkoxy, aryloxy and alkenoxy, derivatives thereof, wherein R, R', R'' and R''', are selected from the group consisting of alkyl, alkenyl, aryl and alkylaryl, radicals having from one to twenty carbon atoms; and w, x, y and z, are each integers having a value of from zero to about one thousand, with the proviso that the sum of integers w and y must be at least one.
Claim 2
Dependent Claim
51 words
The method of claim 1 in which the organosilicon compound is applied to the hair as a mixture including a solvent and in which the organosilicon compound is present in the mixture at a level from about 0.1 to about fifty percent by weight based on the weight of the mixture.
Claim 3
Dependent Claim
13 words
The method of claim 2 in which the nonpolar silsesquioxane has the formula
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.