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Patents Grants
last 30 patents
Information
Patent Grant
Gas replacement process, gas replacement apparatus, and nitro compo...
Patent number
12,116,331
Issue date
Oct 15, 2024
China Petroleum and Chemical Corporation
Siqing Zhong
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Double-trapezoid structural member, fluidized apparatus and nitro c...
Patent number
12,098,114
Issue date
Sep 24, 2024
China Petroleum and Chemical Corporation
Jun Xu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluid distributor, reaction device and application thereof
Patent number
11,571,673
Issue date
Feb 7, 2023
China Petroleum and Chemical Corporation
Le Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preheating process and start-up process for the ammoxidation reaction
Patent number
11,091,407
Issue date
Aug 17, 2021
China Petroleum and Chemical Corporation
Le Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Feed gas feeding system for propylene ammoxidation reactor
Patent number
11,077,416
Issue date
Aug 3, 2021
China Petroleum and Chemical Corporation
Le Zhao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for producing acrylonitrile
Patent number
6,596,897
Issue date
Jul 22, 2003
China Petro-Chemical Corporation
Xingya Guan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile
Patent number
6,420,307
Issue date
Jul 16, 2002
China Petro-Chemical Corporation
Lianghua Wu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile
Patent number
5,834,394
Issue date
Nov 10, 1998
China-Petro-Chemical Corporation
Xin Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluidized-bed catalyst for preparing acrylonitrile
Patent number
5,223,469
Issue date
Jun 29, 1993
China Petro-Chemical Corporation
Xin Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Supplementary catalyst for ammoxidation catalysts
Patent number
5,177,048
Issue date
Jan 5, 1993
China Petro-Chemical Corporation
Xin Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
HEAT REMOVAL TUBE SET, METHOD FOR CONTROLLING REACTION TEMPERATURE...
Publication number
20240181418
Publication date
Jun 6, 2024
China Petroleum and Chemical Corporation
Le ZHAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HEAT REMOVAL TUBE SET, METHOD FOR INCREASING REACTION LOAD, AND MET...
Publication number
20240182405
Publication date
Jun 6, 2024
China Petroleum and Chemical Corporation
Le ZHAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HEAT REMOVAL TUBE SET AND APPLICATION THEREOF IN TEMPERATURE CONTRO...
Publication number
20240181417
Publication date
Jun 6, 2024
China Petroleum and Chemical Corporation
Le ZHAO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Gas Distribution Plate, Fluidizing Device and Reaction Method
Publication number
20230026757
Publication date
Jan 26, 2023
China Petroleum and Chemical Corporation
Le ZHAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fluidized Bed Reactor, Heat Removal Water Pipe and Application Ther...
Publication number
20220410107
Publication date
Dec 29, 2022
China Petroleum and Chemical Corporation
Le ZHAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
GAS REPLACEMENT PROCESS, GAS REPLACEMENT APPARATUS, AND NITRO COMPO...
Publication number
20210387153
Publication date
Dec 16, 2021
China Petroleum and Chemical Corporation
Siqing ZHONG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NITRO COMPOUND HYDROGENATION REACTION PROCESS AND HYDROGENATION REA...
Publication number
20210371370
Publication date
Dec 2, 2021
China Petroleum and Chemical Corporation
Siqing ZHONG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DOUBLE-TRAPEZOID STRUCTURAL MEMBER, FLUIDIZED APPARATUS AND NITRO C...
Publication number
20210371371
Publication date
Dec 2, 2021
China Petroleum and Chemical Corporation
Jun XU
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FLUID DISTRIBUTOR, REACTION DEVICE AND APPLICATION THEREOF
Publication number
20200368707
Publication date
Nov 26, 2020
China Petroleum and Chemical Corporation
Le ZHAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FEED GAS FEEDING SYSTEM FOR PROPYLENE AMMOXIDATION REACTOR
Publication number
20200276551
Publication date
Sep 3, 2020
China Petroleum and Chemical Corporation
Le ZHAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PREHEATING PROCESS AND START-UP PROCESS FOR THE AMMOXIDATION REACTION
Publication number
20200181039
Publication date
Jun 11, 2020
China Petroleum & Chemical Corporation
Le ZHAO
C07 - ORGANIC CHEMISTRY