Inventor · disambiguated record

Cheng-Hsien Chu

Also filed as: CHU CHENG-HSIEN · STARK WILLIAM H

2 granted patents·13 citations·filing 1976–1977

54Inventor score

Technology areasB01D

Files withSPRING CHEMICALS LTD2

Top patents by PatentIndex Score

2 records

0148US4115517ATreatment of sulfur oxides with aqueous glyoxylic acid solutionsSPRING CHEMICALS LTD·Filed 1976·Granted Sep 19, 1978·12 cites·8 claims
0225US4176164ATreatment of sulfur oxides with aqueous glyoxylic acid solutionsSPRING CHEMICALS LTD·Filed 1977·Granted Nov 27, 1979·1 cites·2 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →