Jürgen Spriewald

Follow

Person

Kolln-Reisiek, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing isocyanate and at least one further chemical...
- Patent number 10,618,871
- Issue date Apr 14, 2020
- Covestro Deutschland AG
- Jürgen Spriewald
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing isocyanates
- Patent number 10,577,311
- Issue date Mar 3, 2020
- Covestro Deutschland AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing isocyanates
- Patent number 10,364,214
- Issue date Jul 30, 2019
- Covestro Deutschland AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Divided wall columns
- Patent number 10,258,900
- Issue date Apr 16, 2019
- Covestro Deutschland AG
- Jürgen Spriewald
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ISOCYANATES
- Publication number 20190210961
- Publication date Jul 11, 2019
- COVESTRO DEUTSCHLAND AG
- Thomas KNAUF
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE AND AT LEAST ONE FURTHER CHEMICAL...
- Publication number 20190185419
- Publication date Jun 20, 2019
- COVESTRO DEUTSCHLAND AG
- Jürgen SPRIEWALD
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING ISOCYANATES
- Publication number 20180290968
- Publication date Oct 11, 2018
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DIVIDED WALL COLUMNS
- Publication number 20170239589
- Publication date Aug 24, 2017
- COVESTRO DEUTSCHLAND AG
- Jürgen Spriewald
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL