Inventor · West Chester, PA, US

Te Chang

19Patents

4h-index

20Co-inventors

60Inventor score

Filing activity: Jan 30, 1989 → Apr 28, 2020

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5591875A	Epoxidation Process	Performing Operations; Transporting	35	Expired
US5290743A	Process for regenerating a deactivated rhodium hydroformylation catalyst system	Emerging Cross-Sectional Technologies	18	Expired
US7687647B2	Propylene oxide process	Chemistry; Metallurgy	15	Active
US7550610B1	Direct epoxidation process	Performing Operations; Transporting	6	Active
US7105687B1	Propylene oxide purification and recovery	Chemistry; Metallurgy	4	Expired
US7541479B1	Direct epoxidation process	Chemistry; Metallurgy	3	Active
US5552024A	Process for recovering dipropylene glycol tert-butyl ethers	Emerging Cross-Sectional Technologies	3	Expired
US8981133B2	Alkylene oxide separation systems, methods, and apparatuses	Chemistry; Metallurgy	2	Active
US4918204A	Tetrahydrofuran purification	Chemistry; Metallurgy	1	Expired
US9593090B2	Alkylene oxide separation systems, methods, and apparatuses	Performing Operations; Transporting	1	Active
US7718040B2	Propylene oxide recovery process	Chemistry; Metallurgy	1	Active
US7649102B2	Propylene oxide process	Emerging Cross-Sectional Technologies	1	Active
US7741498B2	Propylene oxide process	Chemistry; Metallurgy	1	Active
US11407697B2	Process for producing high purity 1-butene	Chemistry; Metallurgy	0	Active
US5972173A	Allyl alcohol purification	Chemistry; Metallurgy	0	Expired
US10233166B2	Alkylene oxide separation systems, methods, and apparatuses	Performing Operations; Transporting	0	Active
US7700790B2	Alkylene oxide process	Chemistry; Metallurgy	0	Active
US10100009B2	Production of tert-butyl hydroperoxide solution and process to form products therefrom	Chemistry; Metallurgy	0	Active
US5538599A	Phenol separation	Emerging Cross-Sectional Technologies	0	Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.