Your advanced solutions partner


SYNTHRON is a subsidiary of PROTEX INTERNATIONAL which develops, produces and markets chemical specialties for industrial companies, in France and abroad.
The company has an important R&D Center on its industrial site of Auzouer-en-Touraine (Indre et Loire), where are manufactured the products stemming from the research.
SYNTHRON applies the “cross-fertilization” in order to serve numerous markets and to offer new products used in everyday life. Thanks to its diversified activities and the variety of its markets, SYNTHRON benefits form a scientific and technical expertise, from the identification of the needs of its customers to the solution.


Created in 1932, PROTEX INTERNATIONAL is an independent French industrial group, which develops, manufactures and markets chemicals for various sectors.
Originally specialize in the auxiliary products for the textile industry, the company has declined its expertise in various segments of niche products : Agriculture, Chemical Specialties, Paper, Electronics, Perfumes, Paints & Coatings, Water treatment….
PROTEX INTERNATIONAL has developed thanks to an important diversification of niche markets in the chemistry and a strong internationalization, with more than 20 subsidiaries abroad and a vast distributors ‘network.
It capacities of innovation and its skills – such as manufacturing of synthetic products, polymers and formulations – allow PROTEX INTERNATIONAL to accompany its customers in their developments of more successful products – technically and ecologically-.
Today, PROTEX INTERNATIONAL counts among its customers the largest industrial companies working in every sector as well as medium-sized companies.