18 Across, Country's expression of gratitude about greeting b US state (8) ???I????
22 Across, Old man not initially unsparing about one living off another (9) ????S????
8 Down, Study actions involving heartless blokes getting censured (9)
C?N??????
13 Down, Enclosure about account held by chemical firm to provide part of vitamin B complex (5,4) F???? ????
Many thanks in advance