Title:
COMPOSITION COMPRISING A BENZONITRILE OR BENZOXAZOLE OR BENZOPYRAZOL BRIGHTENER
Document Type and Number:
WIPO Patent Application WO/2017/216521
Kind Code:
A8
Abstract:
A composition comprises a bleach and an optical brightener, wherein the optical brightener is selected from the substance class(es) of benzonitrile, benzoxazole, benzopyrazol as well as their derivatives and substituted compounds. The optical brightener is present in an amount of 0.001 to 1 wt%, e.g. 0.08wt%. The composition comprises a nonionic surfactant in a ratio by weight to the optical brightener is from around 5:1 to 1000:1.
Inventors:
BALDAN SILVIA (IT)
SORATO CLAUDIA (IT)
ZAMUNER DORA (IT)
SORATO CLAUDIA (IT)
ZAMUNER DORA (IT)
Application Number:
PCT/GB2017/051662
Publication Date:
December 20, 2018
Filing Date:
June 08, 2017
Export Citation:
Assignee:
RECKITT BENCKISER VANISH BV (NL)
RECKITT BENCKISER BRANDS LTD (GB)
RECKITT BENCKISER BRANDS LTD (GB)
International Classes:
C11D1/66; C11D3/395; C11D3/42
Attorney, Agent or Firm:
BOWERS, Craig et al. (GB)
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