# Ciba Geigy Corp — Patents explained on PatentBrief

Ciba Geigy Corp has 2 landmark patents explained in plain English on PatentBrief.

- [New Pyrimidine Chemical Compounds for Treating Tumors](https://patentbrief.org/patent/us/5521184/gleevec-imatinib) — granted 1996
  This patent describes specific new chemical compounds, called N-phenyl-2-pyrimidine-amine derivatives, designed with precise molecular structures for potential use in treating cancer.
- [Chemical Compounds for Fighting Bacterial and Yeast Infections](https://patentbrief.org/patent/us/4147780/timoptic-timolol) — granted 1979
  A 1977 patent for a specific class of amino-phosphonous acid chemicals designed to act as antibiotics against bacteria and yeast.

**Full profile:** https://patentbrief.org/company/ciba-geigy-corp

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