licensing /ics/ en Sparc Technologies granted patent for graphene based remediation technology /ics/news/list/2021/06/08/sparc-technologies-granted-patent-for-graphene-based-remediation-technology Sparc Technologies Limited (ASX:SPN) is pleased to announce it has received confirmation that the United States (USA) patent application number 15/578149 has now been issued as a patent. June 08 2021 Rebecca Jane Farrell /ics/news/list/2021/06/08/sparc-technologies-granted-patent-for-graphene-based-remediation-technology