The requests were directed to a concrete delivery system comprising a substrate with a surface comprising a metal/metal alloy, wherein at least a portion of said alloy has "structural association sizes" in the range of one or more of the following:
- (i) 5 Angstroms to 100 Angstroms
- (ii) 10 to 150 nm, or
- (iii) 150 to 1,000 nm
In the absence of any disclosure suitable for clarifying the claim without violating Art. 123(2) EPC the application was doomed to fail.