WR

William Ripmeester

DL Ddp Specialty Electronic Materials Us, Llc.: 1 patents #93 of 197Top 50%
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Patent #TitleCo-InventorsDate
11674026 Polyolefin-based microporous films via sequential cold and hot stretching of unannealed polypropylene copolymer films Wenyi Huang 2023-06-13