Inventor

IQBAL ABUL

CH79 patents

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

IQBAL ABUL

CIBA GEIGY CORP

Preparation of pyrrolo[3,4-c]pyrroles

Fluorescent quinacridone pigments

1,4-diketopyrrolo[3,4-c]pyrrole pigments

N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrroles

Process for dyeing high-molecular organic material, and novel polycyclic pigments

Pyrrolo[3,4-C]pyrrole synthesis

Pyrrolo[3,4-c]pyrroles

Pigment compositions

Process for the preparation of pyrrolo (3,4-c) pyrroles

Dithioketo pyrrolopyrroles

Mixtures of pigments

Compositions pigmented with N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrroles

Process for the preparation of pyrrolo[3,4-c]pyrroles

Process for the preparation of pyrrolo[3,4-c]pyrroles, and novel pyrrolo[3,4-c]pyrroles

1,4-Diketo-pyrrolo[3,4-c]pyrroles

Electrophotographic recording material containing selected dithioke topyrrolopyrroles

Two new crystal modifications of a diketopyrrolopyrrole pigment

Crystal modification of a diketopyrrolopyrrole pigment

Pyrrolo[3,4-c]pyrroles containing cyanimino groups

Monoketopyrrolopyrroles

Process for the preparation of brominated pyrrolo-[3,4-c]-pyrroles and mixtures thereof

Preparation of 1,4-diketopyrrolo-[3,4-c]pyrroles

Process for the preparation of metal complexes of isoindolinazines

Nickel complex pigments of azines

Isoindoline compounds and the manufacture and use thereof

Metal complexes of isoindolinazines, process for their preparation and use

CIBA SC HOLDING AG

Compositions for making structured color images and application thereof

Polymerizable diketopyrrolopyrroles and polymers prepared therewith

Process for the preparation of fluorescent compositions, fluorescent compositions and their use

Preparation of mixed crystals and solid solutions of 1, 4-diketo-pyrrolpyrroles

Reactive extrusion of latent pigments

Fluorescent compositions and their use

Compositions for making structured color images and application thereof

Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles

Polymerizable diketopyrrolopyrroles and polymers prepared therewith

Mixed crystals and solid solution of 1,4-diketopyrrolopyrroles

Liquid crystalline diketopyrrolopyrroles

Method of producing forgery-proof colored printed articles

Polymerizable diketopyrrolopyrroles and polymers prepared therewith

Process for the preparation of aminated diketobis (aryl or heteroaryl)pyrrolopyrroles and the use thereof as photoconductive substances

Fluorescent perylene pigments

Fluorescent indigo pigments

Fluorescent pigments

Preparation of mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles

Fluorescent dioxazine pigments

Monophase solid solutions containing asymmetric pyrrolo 4,3-c! pyrroles as hosts

Fluorescent isoindoline pigments

CIBA SPECIALITY CHEMICALS CORP

Fluorescent carbamate-modified phthalocyanine pigments

CIBA SPECIALTY CHEMCIALS CORP

Compositions for making structured color images and application thereof

DAINIPPON PRINTING CO LTD

Coloring material and color filter