Complex sentence: The name'Sellotape' was coined in 1937 by Colin Kininmonth and George Gray who applied rubber resin to cellophane film, the process they used was based on a French patent.
Split into simpler sentences: The name "Sellotape" was coined in 1937 by Colin Kininmonth and George Gray, who made the product by applying rubber resin to cellophane film. The process they used was based on a French patent.