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US 4,055,248 AGranted
Fabric treating compositions and articles
AssigneeThe Procter & Gamble Company
InventorMario S. Marsan
Life of this patent
Estimating the term…
Abstract
Fabric conditioning compositions and articles comprising certain water-insoluble particulate clays and dispensing means especially adapted for use in automatic clothes dryers are described.
Claims9
An article of manufacture especially adapted for conditioning fabrics, comprising:
- a. an effective amount of a clay mixture selected from:
- mixtures of hydrophilic Laponite clay and hydrophobic Laponite clay, at a weight ratio of hydrophilic Laponite to hydrophobic Laponite of from about 20:1 to about 1:20;
- mixtures of hydrophilic Laponite clay and smectite clay, at a weight ratio of hydrophilic Laponite to smectite of from about 20:1 to about 1:20;
- and mixtures of hydrophobic Laponite clay and smectite clay at a weight ratio of hydrophobic Laponite clay of from about 20:1 to about 1:20;
- said clay mixture being in releasable combination with;
- b. a water-insoluble dispensing means.
3 more elements
A process for conditioning fabrics comprising applying thereto an effective amount of a clay mixture selected from:
- mixtures of hydrophilic Laponite clay and hydrophobic Laponite clay, at a weight ratio of hydrophilic Laponite to hydrophobic Laponite of from about 20:1 to about 1:20;
- mixtures of hydrophilic Laponite clay and smectite clay, at a weight ratio of hydrophilic Laponite to smectite of from about 20:1 to about 1:20;
- and mixtures of hydrophobic Laponite clay and smectite clay, at a weight ratio of hydrophobic Laponite to smectite clay of from about 20:1 to about 1:20.
Dependencies are inferred from the claim text.