notes for Merge colours in illustrator:
select all, click on "create colour group" icon, deselect first click remaining colour in swatches, then others then click on icon -> merge
find specific pantone
swatches palette -> color books -> pantone solid coated click auf kleines icon -> show find field
convert cmyk to spot (pantone) colours
select all, hit little icon in swatches palette (new colour group) doppelclick on the folder icon of the colour group (in swatches panel) (or single click on folder and then click the wheel icon (edit or apply colour group)) now all swatches should be selected there should be a little wheel icon now in the swatches panel click on icon LIMIT COLOUR GROUP chose pantone solid coated!