# Mark Chasin — Patents explained on PatentBrief

Mark Chasin has 1 landmark patent explained in plain English on PatentBrief.

- [How to Make Pill Coatings That Keep Medicine Stable Over Time](https://patentbrief.org/patent/us/5639476/nicoderm-nicotine-patch) — granted 1997
  A method for coating pills with a specific plasticized acrylic polymer that ensures the medicine releases at a steady, predictable rate, even after sitting on a shelf for months.

**Full profile:** https://patentbrief.org/inventor/mark-chasin

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._