| http://www.w3.org/ns/prov#value | - ble polymer compositionsUS44762551 Nov 19719 Oct 1984Owens-Illinois, Inc.Photoreactive plastic composition and articles degradable by ultraviolet radiation and a process for their manufactureUS493148827 Oct 19885 Jun 1990Amrotex Ag.Degradable plastic compositionsUS49391944 Aug 19893 Jul 1990Plastopil HazoreaControllably and swiftly degradable polymer compositions and films and other products made
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