Inventor

ACS ARPAD

DE5 patents

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

CLARIANT GMBH

2 patents

US6602342B2Aug 5, 2003

Crystal polymorphs of C.I. Pigment Yellow 191 and their preparation

CLARIANT GMBH15 citations81

US6479569B2Nov 12, 2002

Safer pigment preparations

CLARIANT GMBH9 citations71

CLARIANT FINANCE BVI LTD

2 patents

US7824488B2Nov 2, 2010

Pigment composition based on C.I. pigment yellow 191

CLARIANT FINANCE BVI LTD3 citations58

US8002888B2Aug 23, 2011

Phenylpyrazolone colorant

CLARIANT FINANCE BVI LTD0 citations49

HOECHST AG

1 patent

US5808116ASep 15, 1998

Process for the preparation of triphenylemethane coloring agents

HOECHST AG0 citations43