Inventor

LANGHALS HEINZ

DE21 patents

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

LANGHALS HEINZ

CIBA SC HOLDING AG

Core-extended perylene bisimides

Perylene imide monocarboxylic acids

Fluorescence-derivatisation of carbonyl compounds-novel carbonyl reagents

Preparation of perylene-3,4-dicarboxylic anhydrides

Process for the preparation of peryleneimides, novel di-, tri- and tetrachromophoric perylene dyes and their use

Bifluorophoric perylene colourants

Naphthalenehydrazamimides and perylenehydrazamimides

Donor-substituted oxindigo derivatives and their use as colorants

LANGHALS HEINZ

Process for determining water in samples containing water

Process for determining the composition of binary liquid mixture

Naphthalene amidine imides

Systems for the light-induced separation of charges

Naphthocyanines for use as contrast agents

CIBA GEIGY CORP

Process for preparing perylene-3,4-dicarboxylic acid derivatives, the derivatives thus prepared and their use

Perylene amidine imide dyes, a process for preparing them, and their use

UNISENSOR SENSORSYSTEME GMBH

Method and apparatus for identifying plastics and/or the additives therein

Automatic sorting of polymer materials on the basis of the fluorescence decay time of the intrinsic fluorescence of the polymer

RIEDEL DE HAEN AG

3,6-bis-(2&#39;-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo-(3,4-c)-pyrrole-1,4-dione compound

CIBA SPECIALTY CHEMICALS CORPO

Naphthalenelactamimide fluorescence dyes

RIEDEL DE HAEN

Bipyridyls and their use as inks

DIAGNOSTIC SYSTEMS BIOTECHNOLO

Immunochemical determination of substances contained on textile fibers or polymers

3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo-(3,4-c)-pyrrole-1,4-dione compound