Duan; Hongchang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duan; Hongchang.The latest application filed is for "method for modifying molecular sieve and a catalytic cracking catalyst containing the molecular sieve".

Company Profile

0.15.14

Duan; Hongchang - Beijing CN
Duan; Hongchang - Beijing City CN
Duan; Hongchang - Lanzhou N/A CN
Duan; Hongchang - Lanzhou City CN

*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
Method for modifying molecular sieve and a catalytic cracking catalyst containing the molecular sieve Grant 11,084,024 - Sun , et al. August 10, 2	2021-08-10
Method for Modifying Molecular Sieve and a Catalytic Cracking Catalyst Containing the Molecular Sieve App 20180229223 - Sun; Shuhong ; et al.	2018-08-16
Phosphorus-containing ultrastable Y-type rare earth molecular sieve and preparation method therefor Grant 9,968,915 - Gao , et al. May 15, 2	2018-05-15
Catalytic cracking catalyst for high-efficiency conversion of heavy oil and preparation method thereof Grant 9,968,918 - Gao , et al. May 15, 2	2018-05-15
High light received heavy oil catalytic cracking catalyst and preparation method therefor Grant 9,889,439 - Gao , et al. February 13, 2	2018-02-13
Heavy oil catalytic cracking catalyst and preparation method therefor Grant 9,844,772 - Gao , et al. December 19, 2	2017-12-19
Magnesium modified ultra-stable rare earth Y-type molecular sieve and preparation method therefor Grant 9,840,422 - Gao , et al. December 12, 2	2017-12-12
Ultra-stable rare earth Y-type molecular sieve and preparation method therefor Grant 9,789,475 - Gao , et al. October 17, 2	2017-10-17
Phosphorus-containing Ultrastable Y-type Rare Earth Molecular Sieve And Preparation Method Therefor App 20150209767 - Gao; Xionghou ; et al.	2015-07-30
Magnesium Modified Ultra-stable Rare Earth Y-type Molecular Sieve And Preparation Method Therefor App 20150175432 - Gao; Xionghou ; et al.	2015-06-25
Catalytic Cracking Catalyst For High-efficiency Conversion Of Heavy Oil And Preparation Method Thereof App 20150165428 - Gao; Xionghou ; et al.	2015-06-18
Ultra-stable Rare Earth Y-type Molecular Sieve And Preparation Method Therefor App 20150151284 - Gao; Xionghou ; et al.	2015-06-04
Heavy Oil Catalytic Cracking Catalyst and Preparation Method Therefor App 20150080209 - Gao; Xionghou ; et al.	2015-03-19
High Light Received Heavy Oil Catalytic Cracking Catalyst and Preparation Method Therefor App 20150011378 - Gao; Xionghou ; et al.	2015-01-08
Modified molecular sieve characterized by improved sodium-contamination-resisting activity and preparation method thereof Grant 8,545,803 - Gao , et al. October 1, 2	2013-10-01
Double-component Modified Molecular Sieve With Improved Hydrothermal Stability And Production Method Thereof App 20120275994 - Gao; Xionghou ; et al.	2012-11-01
Modified Molecular Sieve Characterized By Improved Sodium-resisting Contamination Activity And Preparation Method Thereof App 20120213695 - Gao; Xionghou ; et al.	2012-08-23

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