Inventor

Abul Iqbal

Inventor

Arconciel, CH

Overview

1976–2007

Patent span

Chemistry

Primary field (CPC C)

Patents· 83 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Bprimary

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments31%

C07DHeterocyclic compounds20%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%

C09KMaterials for miscellaneous applications, not provided for elsewhere11%

G03GElectrography10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

C07CAcyclic or carbocyclic compounds2%

B41MPrinting, duplicating, marking, or copying processes2%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds1%

PatentTitleYear

7,175,948'Coloring material and color filter'2007 7,060,843'Electroluminescent devices comprising diketopyrrolopyrroles'2006 7,041,235'Fluorescent diketopyrrolopyrrole analogues'2006 7,001,677'Electroluminescent devices comprising diketopyrrolopyrroles'2006 6,656,985'Coloring material and color filter'2003 6,486,332'Fluorescent pigments'2002 6,274,065'Process for the preparation of fluorescent compositions, fluorescent compositions and their use'2001 6,271,401'Fluorescent anthraquinoid pigments'2001 6,261,359'Fluorescent pigments'2001 6,248,165'Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles'2001 6,180,315'Compositions for making structured color images and application thereof'2001 6,160,037'Reactive extrusion of latent pigments'2000 6,146,809'Fluorescent host-guest-system'2000 6,127,549'Fluorescent indigo pigments'2000 6,120,944'Highly transparent, color-pigmented high molecular weight material'2000 6,080,516'Fluorescent compositions and their use'2000 6,048,918'Polymerizable diketopyrrolopyrroles and polymers prepared therewith'2000 6,040,108'Compositions for making structured color images and application thereof'2000 6,036,766'Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles'2000 6,013,777'Process for the preparation of fluorescent pigments'2000 6,013,307'Method of producing forgery-proof colored printed articles'2000 6,013,776'Fluorescent azo pigments'2000 5,973,146'Process for the preparation of aminated diketobis (aryl or heteroaryl)pyrrolopyrroles and the use thereof as photoconductive substances'1999 5,969,154'Liquid crystalline diketopyrrolopyrroles'1999 5,886,160'Fluorescent pigments'1999 5,879,855'Compositions for making structured color images and application thereof'1999 5,874,580'Fluorescent perylene pigments'1999 5,847,156'Polymerizable diketopyrrolopyrroles and polymers prepared therewith'1998 5,811,543'Fluorescent carbamate-modified phthalocyanine pigments'1998 5,808,094'Preparation of mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles'1998 5,780,627'Fluorescent dioxazine pigments'1998 5,755,875'Fluorescent chromophores containing cyanimino groups'1998 5,756,746'Monophase solid solutions containing asymmetric pyrrolo ›4,3-c! pyrroles as hosts'1998 5,750,723'Polymerizable diketopyrrolopyrroles and polymers prepared therewith'1998 5,723,626'Fluorescent isoindoline pigments'1998 5,718,998'Electrophotographic photoreceptor the photosensitive layer of which contains the charge generating material a fine organic pigment prepared from a soluble pigment precursor'1998 5,708,188'Mixed crystals and solid solution of 1,4-diketopyrrolopyrroles'1998 5,693,824'Preparation of mixed crystals and solid solutions of 1, 4-diketo-pyrrolpyrroles'1997 5,650,520'Crystal modification of a diketopyrrolopyrrole pigment'1997 5,646,299'Two new crystal modifications of a diketopyrrolopyrrole pigment'1997 5,616,725'Pyrrolo[3,4-C]pyrrole synthesis'1997 5,591,865'Crystal modification of a diketopyrrolopyrrole pigment'1997 5,561,232'Fluorescent quinacridone pigments'1996 5,527,922'Pyrrolo[3,4-c]pyrroles containing cyanimino groups'1996 5,502,196'Pyrrolo 3,4-c!pyrroles containing amine oxide groups'1996 5,484,943'Pyrrolo[3,4-c]pyrroles'1996 5,282,897'Process for improving storage stability of pigments'1994 5,271,769'Method of improving storage stability of pigments'1993 5,017,706'Monoketopyrrolopyrroles'1991 4,931,566'Process for the preparation of pyrrolo[3,4-c]pyrroles'1990 4,914,211'Pigment compositions'1990 4,810,802'Process for the preparation of brominated pyrrolo-[3,4-c]-pyrroles and mixtures thereof'1989 4,791,204'1,4-diketopyrrolo[3,4-c]pyrrole pigments'1988 4,782,153'Pyridoquinolone derivatives'1988 4,778,899'Process for the preparation of pyrrolo (3,4-c) pyrroles'1988 4,760,151'Dithioketo pyrrolopyrroles'1988 4,730,014'Use of pyridoquinolone derivatives as pigments'1988 4,720,305'Mixtures of pigments'1988 4,681,971'Phenyl substituted aminodicarboxylate esters'1987 4,666,455'Compositions pigmented with N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrroles'1987 4,659,775'Process for the preparation of pyrrolo[3,4-c]pyrroles, and novel pyrrolo[3,4-c]pyrroles'1987 4,632,893'Electrophotographic recording material containing selected dithioke topyrrolopyrroles'1986 4,613,669'Preparation of 1,4-diketopyrrolo-[3,4-c]pyrroles'1986 4,585,878'N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrroles'1986 4,579,949'Preparation of pyrrolo[3,4-c]pyrroles'1986 4,540,791'Production of .beta.-amino-.alpha.,.beta.-unsaturated carboxylic acid esters'1985 4,496,727'Process for the manufacture of metal complexes of isoindoline azines'1985 4,490,542'1,4-Diketo-pyrrolo[3,4-c]pyrroles'1984 4,474,952'Process for the preparation of metal complexes of isoindolinazines'1984 4,460,768'Nickel complex pigments of azines'1984 4,415,685'Process for dyeing high-molecular organic material, and novel polycyclic pigments'1983 4,414,395'Process for the manufacture of hydrazono-isoindolines'1983 4,385,174'Isoindoline compounds and the manufacture and use thereof'1983 4,367,333'Metal complexes of isoindolinazines, process for their preparation and use'1983 4,366,312'Metal complexes of isoindolinazines, process for their preparation and use'1982 4,355,159'Nickel complex pigments of azines'1982 4,349,671'Process for the production of metal complexes of isoindoline azines'1982 4,263,197'Process for dyeing linear polyamides in the melt'1981 4,202,814'Process for the mass coloration of polyesters'1980 4,013,661'Substituted 1,2-dihydropyridines and process for preparing same'1977 3,968,159'Process for preparing azomethines'1976 3,947,458'Preparation of amines'1976 3,944,615'Process for the production of aromatic primary amines'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to MONSANTO CO (4)· patent assignee history

1976–1977Based in Glattbrugg, CH· patent location history

1980–1997Patents assigned to CIBA GEIGY CORP (41)· patent assignee history

1980–1990Based in Ettingen, CH· patent location history

1988–2007Based in Arconciel, CH· patent location history

1997–2006Patents assigned to CIBA SC HOLDING AG (34)· patent assignee history

1998Patents assigned to CIBA SPECIALITY CHEMICALS CORP (1)· patent assignee history

2003–2007Patents assigned to DAINIPPON PRINTING CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CIBA GEIGY CORP	41	1980–1997
CIBA SC HOLDING AG	34	1997–2006
MONSANTO CO	4	1976–1977
DAINIPPON PRINTING CO LTD	2	2003–2007
CIBA SPECIALITY CHEMICALS CORP	1	1998

Locations

Location	Patents	Span
Arconciel, CH	51	1988–2007
Ettingen, CH	28	1980–1990
Glattbrugg, CH	4	1976–1977