1909
Casein plastics, derived from milk, developed by Erinoid.
1910
stockings made of viscose (CA) begin to be manufactured in Germany
1915
Queen Mary sees casein products at the British Industries Fair and orders several pieces of jewellery made from it
1916
Rolls Royce begins to use phenol formaldehyde in its car interiors and boasts about it
1919 
Eichengrun produce first cellulose acetate moulding powder
1921
Beginning of rapid growth of phenolic mouldings especially for electrical insulation, with addition of phenolic laminates in 1930
1922
Staudinger publishes his work that recognises that plastics are composed of long chain molecules – leading to Nobel prize in 1935
1924
Rossiter at British Cyanide develops urea thiourea formaldehyde resins, subsequently commercialised as the first water white transparent thermosetting moulding powder.
1926 
Harrods hosts first display of new coloured thermosetting plastic tableware produced by Brookes and Adams, The Streetly Manufacturing Company and Thomas De La Rue and Co.
1926
Eckert and Ziegler patent first commercial modern plastics injection moulding machine.