Compositions – Fire-extinguishing – Foam-stabilizant or colloid-stabilizant containing
Patent
1983-04-20
1985-02-05
Albrecht, Dennis L.
Compositions
Fire-extinguishing
Foam-stabilizant or colloid-stabilizant containing
252 88, 252543, 252547, 252548, 252DIG14, D06L 312, D06M 1338, D06M 1346
Patent
active
044977182
ABSTRACT:
The invention provides a composition and method wherein fluorescent whitening agents are satisfactorily dispersed in fabric softening compositions and viscosity stability of the composition is achieved. The fabric softening and whitening composition comprises:
(i) from about 0.5% to about 10% of a cationic surfactant;
(ii) from about 0.001% to about 0.3% of a stilbene sulfonic acid fluorescent whitening agent;
(iii) from about 0.001% to about 0.5% of a non-ionizable base; and
(iv) deionized water.
The method for preparing the fabric softening system comprises forming an organic premix of fabric softening cationic surfactant, stilbene sulfonic acid fluorescent whitening agent and non-ionizable base. The organic premix is then added to deionized water containing other fabric softening adjuncts including an acidic pH adjusting agent to obtain pH of 3-6, the combination being stirred to uniformly disperse all components.
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Stensby, Per. S.: "Optical Brighteners in Fabric Softeners", Soap & Chem. Spec., 41, No. 5, pp. 85-88, May 1965.
Fox Daniel J.
Hurdle Edmund S.
Neiditch Oscar W.
Albrecht Dennis L.
Farrell James J.
Honig Milton L.
Lever Brothers Company
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