In England and Wales, the possibility of escheat of a deceased person's property to the feudal overlord was abolished by the Administration of Estates Act 1925; however, the concept of Bona vacantia means that the crown (or Duchy of Cornwall) can still receive such property if no-one else can be found who is eligible to inherit it.
It was bought by Union Carbide in 1925, but after the national escheat came into effect in 1979 both Saudefaldene and the production company Sauda Smelteverk were bought by Norwegian company Elkem.
Primarily, these are the Orders in Council, which give the government the authority to declare war, conclude treaties, issue passports, make appointments, make regulations, incorporate, and receive lands that escheat to the Crown.
Escheat in want of heirs to mesne lords was abolished by the Administration of Estates Act 1925.