Inventor

JOHN STEPHAN

DE3 patents

⚠️ This page may combine multiple inventors who share the name “JOHN STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BECK JOERN

1 patent

US8883215B2Nov 11, 2014

Metal oxide particles aftertreated with organic phosphorus compounds

BECK JOERN5 citations72

PFLUECKER FRANK

1 patent

US8758501B2Jun 24, 2014

Nanoparticulate UV protectant with silicon dioxide coating

PFLUECKER FRANK6 citations64

MERCK PATENT GMBH

1 patent

US9309272B2Apr 12, 2016

Metal oxide particles aftertreated with organic phosphorus compounds

MERCK PATENT GMBH0 citations45