Injunction channelling recoveries in asbestos bankruptcies applies to both named and un-named parties; the injunction does not pre-empt state workman's compensation laws by governing recoveries by workmans comp funds, as it doesn't modify rights or duties under the law.
Test of whether recoveries are governed by the injunction is whether the injury is wholly separate from the asbestos liability.
http://www2.ca3.uscourts.gov/opinarch/171208p.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.