From Graces Guide
of 22 Cork Street, London, W1. (1922); of Cellon Works, Richmond Road, Kingston-on-Thames, Surrey. Telephone: Kingston 6061/5. (1937)
1918 Private company.
1918 Patent - Improvements in the Production of Cellulose Acetate Solutions. 
1922 British Industries Fair Advert for "Cerric" Cellulose Enamels for Spraying Basket Work, Pottery, Mouldings, Leather, Paper, and all Articles requiring Artistic decoration. Also: "Cerric" Bronzing Medium, "Porcelac" for Sanitary and Surgical Fittings, Cellulose Solutions for Fancy Goods. (Stand No. K.34) 
1929 Name changed.
1935 Company made public.
1937 Manufacturers of aeroplane dopes**, cellulose lacquers and synthetic finishes. "Cellon" Dope. 
1937 Listed Exhibitor - British Industries Fair. "Cerric" Cellulose Lacquers for Wood, Metal, Leather, etc. "Cerrux" Synthetic Industrial Lacquers, air drying or stoving. "Cerrux" Modern Decorative Finishes. "Cerrex" Anti-corrosive Primers. "Flockage" Process for Anti-resonance and decorative effects. (Stand No. B.625) 
1939 See Aircraft Industry Suppliers
1958 Courtaulds acquired Cellon Ltd in order to access its experience in colouring of materials, especially relevant to Cellophane.
1961 Manufacturers of "Cellon" aircraft finishes, cerric cellulose, lacquers, cerrux industrial paints, building marine and coach paints. 500 employees. 
- Dope - Aeroplane varnish. 
Sources of Information
-  Wikipatents
- 1922 British Industries Fair Advert xlix; and p16
- 1937 The Aeroplane Directory of the Aviation and Allied Industries
- 1937 British Industries Fair p347
- 1961 Dun and Bradstreet KBE
- Chambers English Dictionary