This article in Amateur Photographer says:
Polaroid is in fresh talks over the survival of its professional instant sheet film following its failure to reach agreement with UK firm Ilford Photo.
Polaroid bosses have confirmed that they are in discussions with a ‘third party’ over the continued production of 20x24in large format professional b&w sheet film.
In a meeting with Amateur Photographer, Polaroid’s European vice-president Paul Telford also revealed that there is a ‘strong possibility’ that production of 8x10in format sheet film will be taken up by an, as yet, unnamed manufacturer…