DUMA; Viorel

Patent Applications and Registrations

Patent applications and USPTO patent grants for DUMA; Viorel.The latest application filed is for "tetrametallic bulk hydroprocessing catalysts".

Company Profile

6.5.7

DUMA; Viorel - Hercules CA

*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
Tetrametallic Bulk Hydroprocessing Catalysts App 20210339232 - OUYANG; Xiaoying ; et al.	2021-11-04
Catalytic remedy for advanced UCO bleed reduction in recycle hydrocracking operations Grant 11,041,128 - Maesen , et al. June 22, 2	2021-06-22
Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst Grant 11,000,839 - Timken , et al. May 11, 2	2021-05-11
Catalytic remedy for advanced UCO bleed reduction in recycle hydrocracking operations Grant 10,968,405 - Maesen , et al. April 6, 2	2021-04-06
Catalytic Remedy for Advanced UCO Bleed Reduction in Recycle Hydrocracking Operations App 20200347309 - MAESEN; Theodorus Ludovicus Michael ; et al.	2020-11-05
Process Using Membranes To Separate Alkane Isomers Used In Steam Cracking To Make Olefins App 20200102509 - Bhuwania; Nitesh ; et al.	2020-04-02
Catalytic Remedy for Advanced UCO Bleed Reduction in Recycle Hydrocracking Operations App 20200048566 - MAESEN; Theodorus Ludovicus Michael ; et al.	2020-02-13
Spheroidal resid hydrodemetallation catalyst Grant 10,279,335 - Plecha , et al.	2019-05-07
Regeneration Of An Ionic Liquid Catalyst By Hydrogenation Using A Macroporous Noble Metal Catalyst App 20180353945 - Timken; Hye Kyung Cho ; et al.	2018-12-13
Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst Grant 9,956,553 - Timken , et al. May 1, 2	2018-05-01
Regeneration Of An Ionic Liquid Catalyst By Hydrogenation Using A Macroporous Noble Metal Catalyst App 20170368544 - Timken; Hye Kyung Cho ; et al.	2017-12-28
Spheroidal Resid Hydrodemetallation Catalyst App 20150224476 - Plecha; Stanislaw ; et al.	2015-08-13

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