Ultimate Folding Bike never went past a single Prototype in the US, https://www.youtube.com/watch?v=uWoeTOVYNY4

Maybe an industrialist in Singapore can get the money to develop the all Titanium Brompton Frame,

the rear and front extremities are already there in the Brompton Options list . and the seat post by 3rd parties , formerly in the factory list.

the steel frame , and handlebar mast and of course the Hinge plates, remain to be tooled up to mass production, in Ti.