Inventor

PRATZER HANS

2 patents

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

MERCK PATENT GMBH

1 patent

US4205997AJun 3, 1980

Powdery pearlescent pigment compositions

MERCK PATENT GMBH38 citations89

MERCK E

1 patent

US4116628ASep 26, 1978

Powdery pearlescent pigment composition

MERCK E33 citations88