Celluloid or now more commonly, celluloid, was/is a thermoplastic invented in 1869 by the United States chemist John Weslet Hyatt. It combined cellulose (C6H10O5) which is pretty much cotton with nitrate and camphor (C10H16O). Although it is dangerously flamable, it was used for many common item such as combs and the collars and cuffs for blouses and shirts. It was the first material used to make film, but it was not very satisfactory. Estimated basic value: None Go to the Next Entry. Go to the Previous Entry. Return to the Entry List. Return to the Homepage. Search for your Interests. Send us your Comments or Questions.