Inventor
HE YINGXIA
US5 patents
⚠️ This page may combine multiple inventors who share the name “HE YINGXIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA SC HOLDING AG
4 patentsUS7122081B2Oct 17, 2006
Process for aqueous milling of quinacridone pigments
CIBA SC HOLDING AG10 citations71
US7101428B2Sep 5, 2006
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhibitor
CIBA SC HOLDING AG8 citations69
US6987186B2Jan 17, 2006
Synthesis of small particle size quinacridone of beta crystal phase
CIBA SC HOLDING AG4 citations57
US7419542B2Sep 2, 2008
2,9-dichloro-quinacridone as α-quinacridone crystal phase inhibitor
CIBA SC HOLDING AG5 citations54