초록 ▼

The present invention provides a porous plastic article for dispensing a soluble or dispersible dispensate into a fluid stream. An inventive article preferably comprise polyethylene or polypropylene and has defined therein a network of passages in fluid communication with pores on the exposed surfac

The present invention provides a porous plastic article for dispensing a soluble or dispersible dispensate into a fluid stream. An inventive article preferably comprise polyethylene or polypropylene and has defined therein a network of passages in fluid communication with pores on the exposed surface of the article, the pores preferably having a diameter of from about 20 microns to about 200 microns. In accordance with the invention, the dispensing article may be removably attached to a beverage container cap, a bottle neck or a conduit such as, for example, a sports-bottle straw, to introduce the substance into a fluid coming into contact with the article.

대표청구항 ▼

[ What is claimed is:] [1.] An article for introducing a dispensate into a fluid stream, comprising:a porous plastic matrix defining an internal network of passages and defining pores on the exposed surface of the matrix in fluid communication with the passages, the pores having an average size of f

[ What is claimed is:] [1.] An article for introducing a dispensate into a fluid stream, comprising:a porous plastic matrix defining an internal network of passages and defining pores on the exposed surface of the matrix in fluid communication with the passages, the pores having an average size of from about 20 microns to about 200 microns; anda water-soluble or water-dispersible dispensate material, the dispensate residing within the passages;wherein said article is operable to contain said dispensate within the passages until the exposed surface of said article contacts a beverage, and to release said dispensate material into the beverage upon contact with the exposed surface of said article.