Kraft (via RSSL center in UK) is looking for novel food approval for a new gum base recently developed. This gum base seems to contain a polymer currently used in cosmetic (oral care) products. You can read the article here:
What surprises me is that the article mentions that the expected time for degradation is going to be “equivalent to other synthetic polymer gum bases”.
We’ll wait for more news on this and see if finally we get a real breakthrough in the market.