# Warner Lambert Co LLC — Patents explained on PatentBrief

Warner Lambert Co LLC has 2 landmark patents explained in plain English on PatentBrief.

- [How a Cholesterol-Lowering Drug Molecule Was Patented](https://patentbrief.org/patent/us/5273995/viagra-sildenafil) — granted 1993
  This patent protects the specific chemical structure of a molecule designed to lower cholesterol, including its various salt forms and its use in medicine.
- [The Chemical Formula for Atorvastatin, the Active Ingredient in Lipitor](https://patentbrief.org/patent/us/4681893/prozac-fluoxetine) — granted 1987
  This patent describes the chemical structure of a class of molecules designed to block the enzyme responsible for cholesterol production in the human body.

**Full profile:** https://patentbrief.org/company/warner-lambert-co-llc

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