Back to results
US 6,399,564 B1Granted
Detergent tablet
AssigneeThe Procter & Gamble Company
InventorsLynda Anne Speed, Jeffrey Donald Painter
Life of this patent
Estimating the term…
Abstract
A detergent tablet comprises a compressed portion and a non-compressed portion wherein the compressed portion comprises a mould and dissolves at a faster rate than the non-compressed portion on a weight by weight basis, measured using the SOTAX dissolution test method, and the non-compressed portion is at least partially retained within the mould.
Claims14
A detergent tablet comprising a compressed portion and a non-compressed portion wherein:
- a) said compressed portion comprises a mould and dissolves at a faster rate than said non-compressed portion on a weight by weight basis, measured using a SOTAX dissolution test method;
- b) said non-compressed portion is in solid, gel or liquid form;
- c) said non-compressed portion is delivered onto said mould of said compressed portion;
- and
- d) said non-compressed portion is partially retained within said mould;
- and wherein said non-compressed portion is affixed to said compressed portion by forming a coating over the non-compressed layer to secure it to the compressed portion or by hardening.
3 more elements
Dependencies are inferred from the claim text.