Chiu Kee Cheung

Person

Alzenau, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of an alkanesulfonic acid
- Patent number 10,703,715
- Issue date Jul 7, 2020
- Evonik Operations GmbH
- Benjamin Fonfe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for operating a plant for preparing an alkanesulfonic acid
- Patent number 10,494,331
- Issue date Dec 3, 2019
- Evonik Degussa GmbH
- Benjamin Fonfe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing an alkanesulphonic acid
- Patent number 10,399,934
- Issue date Sep 3, 2019
- Evonik Degussa GmbH
- Benjamin Fonfe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,649,615
- Issue date May 16, 2017
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,630,843
- Issue date Apr 25, 2017
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,440,208
- Issue date Sep 13, 2016
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,421,511
- Issue date Aug 23, 2016
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING 3-METHYLTHIOPROPIONALDEHYDE
- Publication number 20230278951
- Publication date Sep 7, 2023
- Evonik Operations GmbH
- Stephan RAUTENBERG (Deceased)
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR OPERATING A PLANT FOR PREPARING AN ALKANESULFONIC ACID
- Publication number 20190077748
- Publication date Mar 14, 2019
- EVONIK DEGUSSA GmbH
- Benjamin Fonfe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF AN ALKANESULFONIC ACID
- Publication number 20190071394
- Publication date Mar 7, 2019
- EVONIK DEGUSSA GmbH
- Benjamin FONFE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING AN ALKANESULPHONIC ACID
- Publication number 20180354897
- Publication date Dec 13, 2018
- EVONIK DEGUSSA GmbH
- Benjamin FONFE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150209747
- Publication date Jul 30, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150190775
- Publication date Jul 9, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150175419
- Publication date Jun 25, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150151271
- Publication date Jun 4, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Chiu Kee Cheung

Person

Patents Grantslast 30 patents

Process for the preparation of an alkanesulfonic acid

Process for operating a plant for preparing an alkanesulfonic acid

Process for preparing an alkanesulphonic acid

Reactor and process for preparing hydrogen sulphide

Reactor and process for preparing hydrogen sulphide

Reactor and process for preparing hydrogen sulphide

Reactor and process for preparing hydrogen sulphide

Patents Applicationslast 30 patents

PROCESS FOR PREPARING 3-METHYLTHIOPROPIONALDEHYDE

PROCESS FOR OPERATING A PLANT FOR PREPARING AN ALKANESULFONIC ACID

PROCESS FOR THE PREPARATION OF AN ALKANESULFONIC ACID

PROCESS FOR PREPARING AN ALKANESULPHONIC ACID

REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE

REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE

REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE

REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE