Imperial Chemical Industries Limited

John Reginald Case

Geoffrey James Moore

Geoffrey T Brown

Composite materials composed of an organic polymer containing a fire-retardant together with a blowing agent and a hydroxy group-containing organic acid or a salt thereof, or a reaction product of the blowing agent and said acid or salt.

Fire-retardant composition

A 1,1'-dialkyl-4,4'-bipyridylium salt is prepared from the corresponding 4,4'-bipyridyl using an alkylsulphate salt as the quaternizing agent.

Manufacture of 1,1'-dialkyl-4,4'-bipyridylium salts

A 1,1'-dialkyl-4,4'-bipyridylium salt is prepared by reacting the corresponding 4,4'-bipyridyl with a diloweralkylsulphate in the presence of a mineral acid.

Growing community of inventors

Runcorn, United Kingdom

John Reginald Case