Michael Streek

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Liquid preparation for the reduction of free oxygen and the preserv...
- Patent number 10,836,658
- Issue date Nov 17, 2020
- VINK CHEMICALS GMBH & CO. KG
- Ralf Gradtke
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Use of compositions having a content of 3,3′-methylenebis(5-methylo...
- Patent number 10,640,714
- Issue date May 5, 2020
- VINK CHEMICALS GMBH & CO. KG
- Wolfgang Beilfuss
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the preparation of bis(4-amino-1-pyridinium) alkanes
- Patent number 6,380,391
- Issue date Apr 30, 2002
- Air Liquide Sante (International)
- Wolfgang Beilfuss
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
USE OF COMPOSITIONS HAVING A CONTENT OF 3,3'-METHYLENEBIS(5-METHYLO...
- Publication number 20180371334
- Publication date Dec 27, 2018
- Schulke & Mayr GmbH
- Wolfgang BEILFUSS
- C07 - ORGANIC CHEMISTRY
Information Patent Application
LIQUID PREPARATION FOR THE REDUCTION OF FREE OXYGEN AND THE PRESERV...
- Publication number 20180346357
- Publication date Dec 6, 2018
- L'AIR LlQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Ralf GRADTKE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
LIQUID PREPARATION FOR THE REDUCTION OF FREE OXIGEN AND THE PRESERV...
- Publication number 20150041411
- Publication date Feb 12, 2015
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Ralf Gradtke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process for the preparation of bis(4-amino-1-pyridinium) alkanes
- Publication number 20010016660
- Publication date Aug 23, 2001
- AIR LIQUIDE SANTE (INTERNATIONAL)
- Wolfgang Beilfuss
- C07 - ORGANIC CHEMISTRY