Inventor · disambiguated record
Chuanzhao Li
Also filed as: LI CHUANZHAO
3 granted patents·2 pending applications·70 citations·filing 1994–2013
73Inventor score
Technology areasC07C
Top patents by PatentIndex Score
5 records- 0186US5648561AProcess for the production of high purity and ultrapure bisphenol-ACHINA PETROCHEMICAL CORP·Filed 1994·Granted Jul 15, 1997·36 cites·25 claims
- 0278US5629457ADephenolizing process for production of high-quality polycarbonate grade bisphenol AUNIV TIANJIN·Filed 1994·Granted May 13, 1997·19 cites·11 claims
- 0373US5663456AMethod for obtaining large crystals with high purity by destructing part of fines in slurry in a crystallizerCHINA PETROCHEMICAL CORP·Filed 1994·Granted Sep 2, 1997·15 cites·15 claims
- 0442US2015133685A1Process to produce a diene from a lactoneAGENCY SCIENCE TECH & RES·Filed 2013·Application pending·0 cites
- 0539US2015183703A1Synthesis of diacidsWONG PUI KWAN·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →