| 1868 |
From a starting point of cellulose nitrate and camphor, J. W.Hyatt obtains Celluloid, very similar to Parkesine.
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| 1870 |
The Celluloid patent registered in the U.S.A.
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| 1872 |
The Hyatt brothers built a machine for Celluloid manufacture
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| 1878 |
J.W.Hyatt made the first multiple injection mould
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| 1879 |
M.Gray patents the first screw extruder
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| 1892 |
P.Troester produces the first tube and cable extruder which is an improvement on Gray's machine
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| 1897 |
W.Kirshe and A.Spitteler patent Casein formaldehyde: Galalite.
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