- 1932: Joseph Frechin founds the Eastern Biochemical Laboratories in Lure, specialising in human pharmacy.
- 1933: He develops the first quinoline-based veterinary product: VÉTOQUINOL.
- 1962: VÉTOQUINOL S.A. , devoted exclusively to animal health, is founded.
- 1980: The Research and Development Centre is created.
- 1987: VÉTOQUINOL markets tolfenamic acid (anti-inflammatory): Tolfedine becomes the French market leader within a few months.
- 1990: VÉTOQUINOL N.A. INC ., North American subsidiary of VÉTOQUINOL INTERNATIONAL, is founded in Canada (Québec).
- 1991: VÉTOQUINOL N.A. INC. acquires various companies including MULTIVET, DISPAR and AUSTIN. The same year, VÉTOQUINOL N.A. INC. establishes its Mexican subsidiary .
- 1999: The acquisition of J. WEBSTER LABORATORIES propels VÉTOQUINOL into the leading ranks of the Canadian market .
- 2002: VÉTOQUINOL N.A. INC. establishes its U.S.A. subsidiary under the name of VÉTOQUINOL USA INC. and acquires the EVSCO and TOMLYN ranges giving VÉTOQUINOL access to the world's largest market.
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