Symphony Environmental Technologies has asked the UK government to rethink its approach to recycling policy.
The company confirmed that one of its directors, Michael Stephen, told Sky News that whilst the company supported recycling, there was a "black hole" in the government's policy.
This was because plastic waste cannot be collected for recycling if it has escaped into the open environment, and especially into the oceans.
"Symphony's scientists have found a way to upgrade the plastic so that it will convert itself into biodegradable materials at the end of its useful life and will be recycled back into nature like a leaf or a piece of seaweed," the company said.
"It is crucial to understand that it does not just fall into fragments, but the molecular structure is dismantled so that it is no longer a plastic."
"Ordinary plastic can be upgraded with Symphony's technology by existing plastics factories at little or no extra cost and with their existing machinery and workforce."
At 1:22pm: (LON:SYM) Symphony Environmental Technologies PLC share price was +0.5p at 15.13p