Li; Yao-En

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Yao-En.The latest application filed is for "process for manufacturing hmb and salts thereof".

Company Profile

0.10.5

Li; Yao-En - Buffalo Grove IL

*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
Process For Manufacturing Hmb And Salts Thereof App 20140256980 - Li; Yao-En	2014-09-11
Cascade System App 20080287675 - Li; Yao-En	2008-11-20
Process and system for separation and recovery of perfluorocompound gases Grant 6,605,133 - Li , et al. August 12, 2	2003-08-12
Superadiabatic combustion generation of reducing atmosphere for metal heat treatment App 20030019551 - Li, Yao-En	2003-01-30
Process and system for separation and recovery of perfluorocompound gases App 20010029841 - Li, Yao-En ; et al.	2001-10-18
Process and system for separation and recovery of perfluorocompound gases Grant 6,254,666 - Li , et al. July 3, 2	2001-07-03
Process and system for separation and recovery of perfluorocompound gases Grant 5,919,285 - Li , et al. July 6, 1	1999-07-06
Process and system for separation and recovery of perfluorocompound gases Grant 5,858,065 - Li , et al. January 12, 1	1999-01-12
Process for recovering SF6 from a gas Grant 5,855,647 - Li , et al. January 5, 1	1999-01-05
Process for recovering CF.sub.4 and C.sub.2 F.sub.6 from a gas Grant 5,814,127 - Li September 29, 1	1998-09-29
Process and system for separation and recovery of perfluorocompound gases Grant 5,785,741 - Li , et al. July 28, 1	1998-07-28
Process and system for selective abatement of reactive gases and recovery of perfluorocompound gases Grant 5,759,237 - Li , et al. June 2, 1	1998-06-02
Process for passivating metal surfaces to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith Grant 5,480,677 - Li , et al. January 2, 1	1996-01-02
Process for drying metal surfaces using gaseous hydrides to inhibit moisture adsorption and for removing adsorbed moisture from the metal surfaces Grant 5,255,445 - Li , et al. October 26, 1	1993-10-26

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