Inventor · disambiguated record
Abul Iqbal
Also filed as: IQBAL ABUL · IQBAL ABUL F M · LIENHARD PAUL
83 granted patents·1,705 citations·filing 1974–2003
99Inventor score
Files withCIBA GEIGY CORP41CIBA SC HOLDING AG34MONSANTO CO4DAINIPPON PRINTING CO LTD2CIBA SPECIALITY CHEMICALS CORP1
Top patents by PatentIndex Score
83 records- 0199US4579949APreparation of pyrrolo[3,4-c]pyrrolesCIBA GEIGY CORP·Filed 1983·Granted Apr 1, 1986·166 cites·10 claims
- 0299US4415685AProcess for dyeing high-molecular organic material, and novel polycyclic pigmentsCIBA GEIGY CORP·Filed 1982·Granted Nov 15, 1983·103 cites·11 claims
- 0398US4791204A1,4-diketopyrrolo[3,4-c]pyrrole pigmentsCIBA GEIGY CORP·Filed 1986·Granted Dec 13, 1988·82 cites·3 claims
- 0497US5879855ACompositions for making structured color images and application thereofCIBA SC HOLDING AG·Filed 1994·Granted Mar 9, 1999·92 cites·22 claims
- 0596US4585878AN-substituted 1,4-diketopyrrolo-[3,4-c]-pyrrolesCIBA GEIGY CORP·Filed 1984·Granted Apr 29, 1986·107 cites·6 claims
- 0695US5811543AFluorescent carbamate-modified phthalocyanine pigmentsCIBA SPECIALITY CHEMICALS CORP·Filed 1996·Granted Sep 22, 1998·52 cites·4 claims
- 0795US5561232AFluorescent quinacridone pigmentsCIBA GEIGY CORP·Filed 1994·Granted Oct 1, 1996·37 cites·4 claims
- 0894US4720305AMixtures of pigmentsCIBA GEIGY CORP·Filed 1985·Granted Jan 19, 1988·45 cites·15 claims
- 0993US5847156APolymerizable diketopyrrolopyrroles and polymers prepared therewithCIBA SC HOLDING AG·Filed 1997·Granted Dec 8, 1998·63 cites·7 claims
- 1093US4914211APigment compositionsCIBA GEIGY CORP·Filed 1988·Granted Apr 3, 1990·32 cites·5 claims
- 1192US7175948B2Coloring material and color filterDAINIPPON PRINTING CO LTD·Filed 2003·Granted Feb 13, 2007·34 cites·9 claims
- 1292US5484943APyrrolo[3,4-c]pyrrolesCIBA GEIGY CORP·Filed 1994·Granted Jan 16, 1996·37 cites·7 claims
- 1391US6274065B1Process for the preparation of fluorescent compositions, fluorescent compositions and their useCIBA SC HOLDING AG·Filed 1998·Granted Aug 14, 2001·26 cites·4 claims
- 1491US6013307AMethod of producing forgery-proof colored printed articlesCIBA SC HOLDING AG·Filed 1993·Granted Jan 11, 2000·40 cites·8 claims
- 1591US5750723APolymerizable diketopyrrolopyrroles and polymers prepared therewithCIBA SC HOLDING AG·Filed 1997·Granted May 12, 1998·42 cites·7 claims
- 1691US4778899AProcess for the preparation of pyrrolo (3,4-c) pyrrolesCIBA GEIGY CORP·Filed 1987·Granted Oct 18, 1988·28 cites·4 claims
- 1791US4666455ACompositions pigmented with N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrrolesCIBA GEIGY CORP·Filed 1986·Granted May 19, 1987·27 cites·8 claims
- 1890US4760151ADithioketo pyrrolopyrrolesCIBA GEIGY CORP·Filed 1986·Granted Jul 26, 1988·26 cites·4 claims
- 1989US4659775AProcess for the preparation of pyrrolo[3,4-c]pyrroles, and novel pyrrolo[3,4-c]pyrrolesCIBA GEIGY CORP·Filed 1985·Granted Apr 21, 1987·24 cites·8 claims
- 2088US4931566AProcess for the preparation of pyrrolo[3,4-c]pyrrolesCIBA GEIGY CORP·Filed 1988·Granted Jun 5, 1990·43 cites·15 claims
- 2186US6080516AFluorescent compositions and their useCIBA SC HOLDING AG·Filed 1998·Granted Jun 27, 2000·18 cites·9 claims
- 2286US3944615AProcess for the production of aromatic primary aminesMONSANTO CO·Filed 1974·Granted Mar 16, 1976·15 cites·12 claims
- 2384US4490542A1,4-Diketo-pyrrolo[3,4-c]pyrrolesCIBA GEIGY CORP·Filed 1983·Granted Dec 25, 1984·25 cites·4 claims
- 2482US6160037AReactive extrusion of latent pigmentsCIBA SC HOLDING AG·Filed 1998·Granted Dec 12, 2000·20 cites·16 claims
- 2582US6036766AMixed crystals and solid solutions of 1,4-diketopyrrolopyrrolesCIBA SC HOLDING AG·Filed 1997·Granted Mar 14, 2000·18 cites·21 claims
- 2682US5969154ALiquid crystalline diketopyrrolopyrrolesCIBA SC HOLDING AG·Filed 1997·Granted Oct 19, 1999·35 cites·16 claims
- 2782US5616725APyrrolo[3,4-C]pyrrole synthesisCIBA GEIGY CORP·Filed 1995·Granted Apr 1, 1997·19 cites·7 claims
- 2882US4632893AElectrophotographic recording material containing selected dithioke topyrrolopyrrolesCIBA GEIGY CORP·Filed 1985·Granted Dec 30, 1986·21 cites·4 claims
- 2981US5973146AProcess for the preparation of aminated diketobis (aryl or heteroaryl)pyrrolopyrroles and the use thereof as photoconductive substancesCIBA SC HOLDING AG·Filed 1993·Granted Oct 26, 1999·17 cites·6 claims
- 3081US4385174AIsoindoline compounds and the manufacture and use thereofCIBA GEIGY CORP·Filed 1981·Granted May 24, 1983·12 cites·8 claims
- 3180US5708188AMixed crystals and solid solution of 1,4-diketopyrrolopyrrolesCIBA SC HOLDING AG·Filed 1995·Granted Jan 13, 1998·20 cites·7 claims
- 3280US4460768ANickel complex pigments of azinesCIBA GEIGY CORP·Filed 1981·Granted Jul 17, 1984·10 cites·2 claims
- 3380US4263197AProcess for dyeing linear polyamides in the meltCIBA GEIGY CORP·Filed 1979·Granted Apr 21, 1981·10 cites·12 claims
- 3477US5271769AMethod of improving storage stability of pigmentsCIBA GEIGY CORP·Filed 1992·Granted Dec 21, 1993·15 cites·20 claims
- 3575US6048918APolymerizable diketopyrrolopyrroles and polymers prepared therewithCIBA SC HOLDING AG·Filed 1998·Granted Apr 11, 2000·16 cites·15 claims
- 3674US6040108ACompositions for making structured color images and application thereofCIBA SC HOLDING AG·Filed 1998·Granted Mar 21, 2000·20 cites·10 claims
- 3774US4810802AProcess for the preparation of brominated pyrrolo-[3,4-c]-pyrroles and mixtures thereofCIBA GEIGY CORP·Filed 1987·Granted Mar 7, 1989·11 cites·14 claims
- 3874US4366312AMetal complexes of isoindolinazines, process for their preparation and useCIBA GEIGY CORP·Filed 1981·Granted Dec 28, 1982·8 cites·5 claims
- 3973US4474952AProcess for the preparation of metal complexes of isoindolinazinesCIBA GEIGY CORP·Filed 1982·Granted Oct 2, 1984·8 cites·8 claims
- 4073US3968159AProcess for preparing azomethinesMONSANTO CO·Filed 1974·Granted Jul 6, 1976·8 cites·5 claims
- 4173US3947458APreparation of aminesMONSANTO CO·Filed 1974·Granted Mar 30, 1976·8 cites·5 claims
- 4272US5874580AFluorescent perylene pigmentsCIBA SC HOLDING AG·Filed 1998·Granted Feb 23, 1999·11 cites·4 claims
- 4371US5650520ACrystal modification of a diketopyrrolopyrrole pigmentCIBA GEIGY CORP·Filed 1995·Granted Jul 22, 1997·13 cites·10 claims
- 4471US5591865ACrystal modification of a diketopyrrolopyrrole pigmentCIBA GEIGY CORP·Filed 1995·Granted Jan 7, 1997·12 cites·8 claims
- 4570US6146809AFluorescent host-guest-systemCIBA SC HOLDING AG·Filed 1998·Granted Nov 14, 2000·8 cites·8 claims
- 4670US5693824APreparation of mixed crystals and solid solutions of 1, 4-diketo-pyrrolpyrrolesCIBA SC HOLDING AG·Filed 1996·Granted Dec 2, 1997·19 cites·7 claims
- 4769US6180315B1Compositions for making structured color images and application thereofCIBA SPECIALTY CHEMCIALS CORP·Filed 1999·Granted Jan 30, 2001·23 cites·9 claims
- 4869US6120944AHighly transparent, color-pigmented high molecular weight materialCIBA SC HOLDING AG·Filed 1998·Granted Sep 19, 2000·11 cites·14 claims
- 4969US5886160AFluorescent pigmentsCIBA SC HOLDING AG·Filed 1998·Granted Mar 23, 1999·5 cites·3 claims
- 5069US4349671AProcess for the production of metal complexes of isoindoline azinesCIBA GEIGY CORP·Filed 1981·Granted Sep 14, 1982·7 cites·9 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →