Bayer Dental is a global enterprise with core competences in the life sciences of healthcare and agriculture. For many years in the mid to late 1900s Bayer had a substantial dental business, producing and marketing a wide range of dental products. The tie was worn by Bayer dental personnel, specifically at trade exhibitions and related events. This tie was presented to the donor, Dr David Brown, renowned dental materials scientist in the 1960s, - 70s-80s, when he completed his fortieth, Bayer Dental sponsored presentation to Branches and Sections of the British Dental Association.