sentences:  Ilford acquired an equity interest in Valca in 1960, resulting in technical co-operation and Valca acting as Ilford distributors in Spain.The agreement lasted until 1976 when Ilford sold its shares.It was particularly successful in the X-ray film market and in 1991 it had a 17% share of its national market and 1% of the USA market, the latter accounting for 60% of production, with 65% of X-ray film exported in total.