Marc J. Rans has been granted 3 US patents while listed as an inventor at Hexion. The first was granted in 2001 and the most recent in August 2016. Marc J. Rans ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Marc J. Rans in Ottignies-Louvain-la-Neuve, BE.