CZ

Chongli ZHANG

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
Overall (All Time): #3,846,596 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5099027 2(2-hydroxyphenyl)2H-benzotriazole compounds and homopolymers or copolymers thereof Otto Vogl 1992-03-24