Inventor

LIENHARD PAUL

CH23 patents

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

LIENHARD PAUL

CIBA GEIGY CORP

Amine salts of azo dyestuffs of the pyridone series

Nickel complex pigments of azines

Isoindoline compounds and the manufacture and use thereof

Process for dyeing linear polyamides in the melt

Polymer composition pigmented with copper or nickel complexes of ligands containing a semicarbazone moiety

Process for coloring high-molecular organic material, and novel metal complexes of oxime(s) of o-hydroxy benzaldehyde(s) and ketone(s)

Process for coloring fibre forming polyamides in the melt with azo pigments

Dye salts of the anthraquinone dye series

Process for mass-coloring nylon with 1:2 chromium complex azo dye

High-molecular weight organic material containing a metal complex pigment basaed on hydrazone

Process for the manufacture of metal complexes of isoindoline azines

Nickel complex pigments of azines

Process for the production of metal complexes of isoindoline azines

Undescanoic acids and esters thereof

Process for the mass coloration of polyesters

Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolones

Thermoplastics containing a nickel complex pigment

Process for the manufacture of hydrazono-isoindolines

Isoindoline-azine nickel complex with piperazine

Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety

CIBA GEIGY AG

Red monoazo dyestuffs

Betainic azo dyestuffs containing cobalt in complex union with a colorless, tridentate ligand

Red monoazo sulphonic acid dyestuffs for polyamide