# Wichterle Otto — Patents explained on PatentBrief

Wichterle Otto has 1 landmark patent explained in plain English on PatentBrief.

- [How Soft Contact Lenses Were Invented Using Hydrogels](https://patentbrief.org/patent/us/3220960/soft-contact-lens-hydrogel) — granted 1965
  This patent describes the chemical recipe for soft, water-absorbing plastic materials that form the basis of modern soft contact lenses.

**Full profile:** https://patentbrief.org/inventor/wichterle-otto

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