CHAO; Yu-Shan

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHAO; Yu-Shan.The latest application filed is for "catalyst precursor".

Company Profile

0.6.4

CHAO; Yu-Shan - Hsinchu City TW
Chao; Yu-Shan - Hsinchu TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Catalyst Precursor App 20220297099 - YANG; Chih-Yao ; et al.	2022-09-22
Catalyst and precursor thereof and method of forming dialkyl carbonate Grant 11,400,440 - yang , et al. August 2, 2	2022-08-02
Catalyst And Precursor Thereof And Method Of Forming Dialkyl Carbonate App 20210178374 - YANG; Chih-Yao ; et al.	2021-06-17
Method for preparing the citraconic anhydride and method for isomerizing/dehydrating itaconic acid Grant 8,273,903 - Hsu , et al. September 25, 2	2012-09-25
Method For Preparing The Citraconic Anhydride And Method For Isomerizing/dehydrating Itaconic Acid App 20110160466 - Hsu; Hsi-Yen ; et al.	2011-06-30
Catalyst composition for living free radical polymerization and process for polymerizing (meth) acrylic, vinyl, vinylidene, and diene monomers using the catalyst composition Grant 6,780,811 - Shih , et al. August 24, 2	2004-08-24
Catalyst composition for living free radical polymerization and process for polymerizing (meth) acrylic, vinyl, vinylidene, and diene monomers using the catalyst composition App 20030158034 - Shih, Kuo-Chen ; et al.	2003-08-21
Catalyst composition for hydrogenation of conjugated diene based synthetic rubbers Grant 6,313,230 - Tsai , et al. November 6, 2	2001-11-06
Metallocene catalyst for preparing olefin polymer Grant 6,207,773 - Ting , et al. March 27, 2	2001-03-27
Catalytic compositions containing tetrabutyl titanate and a mixture of cocatalysts for the preparation of poly(butylene terephthalate) Grant 5,519,108 - Yuo , et al. May 21, 1	1996-05-21

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