The Secretary of State for Defence

The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland

Brian Alan Beadle

Grant Stuart Richardson

Colin Robert Willis

Stuart Anson Brewer

Corinne Amy Stone

Laurence Anthony Pears

Christopher John Hindmarsh

The invention provides use of a polymer composition comprising polyethylenimine and one or both of polyvinyl alcohol and polyvinyl alcohol co-ethylene for protection against harmful and/or noxious agents. The invention further provides a laminate suitable for providing protection against harmful and/or noxious agents, the laminate comprising a layer of a polymer composition comprising polyethylenimine and one or both of polyvinyl alcohol and polyvinyl alcohol co-ethylene is also disclosed.

Polymers for water-permeable protective materials

Apparel suitable for providing protection against noxious agents, wherein the apparel comprises a laminate material that provides a substantially effective barrier against the noxious agents. It is preferred that the laminate material comprises two or more layers, at least one of which is a barrier layer that is a substantially effective barrier against the noxious agents and at least one of which is a protective layer that protects the at least one barrier layer.

Protective apparel

Growing community of inventors

Hull, United Kingdom

Brian Alan Beadle