Inventor · disambiguated record
Wha Chen
Also filed as: CHEN WHA
2 granted patents·21 citations·filing 1994–1999
58Inventor score
Top patents by PatentIndex Score
2 records- 0164US6040455AOne-pot process for the preparation of 5-sulfonyl-substituted benzotriazoles UV absorbersCIBA SC HOLDING AG·Filed 1999·Granted Mar 21, 2000·17 cites·18 claims
- 0235US5521237AAlkanolamine esters of acyclic phosphites in polyolefin compositionsCIBA GEIGY CORP·Filed 1994·Granted May 28, 1996·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →