 Greif Inc. GEF, 0.78 GEF.B, 0.16 said Tuesday it will raise prices for paperboard and protective packaging products in response to strong demand and increasing energy, transportation, labor and other input costs. The company said it is implementing a price increase of 60 per ton for all grades of uncoated recycled paperboard, effective Tuesday with new orders and shipments on and after Nov. 8. 