Patent · US Expired

Clear hair spray formulations containing a linear sulfopolyester

US5660816A · kind A · utility

14Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1995
Grant dateAug 26, 1997
Priority date
Expiry dateSep 5, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S424/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A clear hair spray formulation which exhibits less than 30 NTU's and contains a linear sulfopolyester and a water-soluble polymer wherein the formulation is in water or a water/alcohol mixture. The sulfopolyester has a glass transition temperature of 40.degree. C. to 60.degree. C. and contains repeat units from the reaction product of a dicarboxylic acid, a diol and a difunctional sulfomonomer. The difunctional sulfomonomer is present in an amount from 18.5 to 22.5 mole percent based on 100 mole percent dicarboxylic acid and 100 mole percent diol. The hair spray formulation may optionally contain a propellant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.