Stephan John

Follow

Person

Duisburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Metal oxide particles aftertreated with organic phosphorus compounds
- Patent number 9,309,272
- Issue date Apr 12, 2016
- Merck Patent GmbH
- Joern Beck
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Metal oxide particles aftertreated with organic phosphorus compounds
- Patent number 8,883,215
- Issue date Nov 11, 2014
- Merck Patent GmbH
- Joern Beck
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nanoparticulate UV protectant with silicon dioxide coating
- Patent number 8,758,501
- Issue date Jun 24, 2014
- Merck Patent GmbH
- Frank Pfluecker
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
TITANIUM DIOXIDE
- Publication number 20210015726
- Publication date Jan 21, 2021
- VENATOR GERMANY GMBH
- STEPHAN JOHN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METAL OXIDE PARTICLES AFTERTREATED WITH ORGANIC PHOSPHORUS COMPOUNDS
- Publication number 20150010602
- Publication date Jan 8, 2015
- Merck Patent GmbH
- Joern BECK
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METAL OXIDE PARTICLES AFTERTREATED WITH ORGANIC PHOSPHORUS COMPOUNDS
- Publication number 20130011350
- Publication date Jan 10, 2013
- SACHTLEBEN CHEMIE GMBH
- Joern Beck
- B82 - NANO-TECHNOLOGY
Information Patent Application
Nanoparticulate UV Protectant With Silicon Dioxide Coating
- Publication number 20090220441
- Publication date Sep 3, 2009
- Frank Pfluecker
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Silicon dioxide-coated nanoparticulate uv protectant
- Publication number 20060194057
- Publication date Aug 31, 2006
- Frank Pfluecker
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE