Patent ID: 7179780

Claim:
An article comprising a liquid composition enclosed by a water-soluble polymeric material comprising polyvinyl alcohol that is capable of being cross-linked by borate ions wherein: a) the liquid composition comprises: i) an enzyme; ii) from 0% to 10%, by weight of said liquid composition, of free water; iii) from 0.1% to 10% by weight of said liquid composition, of a carboxylic acid selected from the group consisting of methanoic acid, ethanoic acid, propanoic acid, derivatives thereof and combinations thereof; iv) a chelating agent; v) an enzyme stabilizing metal ion system consisting of calcium ions and magnesium ions, present in a weight ratio of calcium ion to magnesium ion of from 1:1 to 4:1; said composition comprising less than 0.01% by weight of a source of borate ions and wherein said article is a water-soluble pouch.