With the news that there are no plans to produce any more Polaroid Type 55 P/N film a small group of Massachusetts tinkerers are starting to make their own instant negative films and processes.
This is a spinout project of Soundwave Research Laboratories, Inc., which is primarily an acoustics company. There is also a connection to Bob Crowley's laboratory at microphonium.blogspot.com.
This is just the first post. Expect to see postings of various experiments soon.