Inventor

OBERHOLZER MARTIN

CH4 patents

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

CLARIANT FINANCE BVI LTD

2 patents

US6319290B1Nov 20, 2001

Fiber-reactive disazo dyestuffs

CLARIANT FINANCE BVI LTD10 citations66

US7371831B2May 13, 2008

Azo dyestuffs

CLARIANT FINANCE BVI LTD5 citations58

FARRAR JOHN MARTIN

1 patent

US8894815B2Nov 25, 2014

Storage stable solutions of optical brighteners

FARRAR JOHN MARTIN0 citations42

HASEMANN LUDWIG

1 patent

US8921564B2Dec 30, 2014

Basic bisazo compounds

HASEMANN LUDWIG0 citations31