Some patterns taken for painter (5)
I believe the answer is:
ernst
'painter' is the definition.
(Max Ernst)
'some patterns taken for' is the wordplay.
'some' indicates the answer is hidden within the clue (some of the parts of the word are used).
'ERNST' can be found hidden inside 'patterns taken for'.
(Other definitions for ernst that I've seen before include "Max --, German painter" , "Max -, twentieth century German Surrealist artist" , "Young partner" , "Surrealist; stern (anag.)" , "He painted" .)