1. Polyamides
2. Polyamides
3. Sifniades S. Levy A.B. Hendrix J.A.J.(to Allied Signal Inc. and DSM NV) (29 January 2002).Process for depolymerizing nylon‐containing waste to form caprolactam by superheated steam in the absence of catalysts. US patent application US 6 342 555 (B2) filing 12 January 2001.
4. Booij M. Frenzen Y.H. Goethals E.J. Hommez B.K.S.(to DSM NV) (29 May 2002).Depolymerisation of polyamides. European patent EP0891969 (B1) filing 1 July 1998.
5. Caprolactam