Inventor · disambiguated record
Robert Langley
Also filed as: LANGLEY ROBERT · LANGLEY ROBERT C · LANGLEY ROBERT CHASE
26 granted patents·3 pending applications·259 citations·filing 1974–2022
96Inventor score
Top patents by PatentIndex Score
29 records- 0191US4104277AProcess for preparing an alpha or beta form copper phthalocyanine pigmentCIBA GEIGY CORP·Filed 1977·Granted Aug 1, 1978·18 cites·13 claims
- 0289US5279654APhthalocyanine pigment compositionsCIBA GEIGY CORP·Filed 1992·Granted Jan 18, 1994·50 cites·20 claims
- 0379US4152171APreparation of α- β- and γ-copper phthalocyanine pigmentsCIBA GEIGY CORP·Filed 1978·Granted May 1, 1979·11 cites·7 claims
- 0477US4364814AApparatus for the production of aqueous alkali metal hypochloriteLANGLEY ROBERT C·Filed 1981·Granted Dec 21, 1982·24 cites·9 claims
- 0573US5776238AProduction of pigmentsCIBA SC HOLDING AG·Filed 1996·Granted Jul 7, 1998·15 cites·12 claims
- 0673US4313766AProcess for the production of a pigment compositionCIBA GEIGY CORP·Filed 1980·Granted Feb 2, 1982·11 cites·8 claims
- 0769US4076894AElectrical circuit element comprising thick film resistor bonded to conductorENGELHARD MIN & CHEM·Filed 1975·Granted Feb 28, 1978·15 cites·4 claims
- 0867US5250111APigment compositionsCIBA GEIGY CORP·Filed 1992·Granted Oct 5, 1993·10 cites·16 claims
- 0963US5614013APigment compositionsCIBA GEIGY CORP·Filed 1994·Granted Mar 25, 1997·8 cites·19 claims
- 1063US4293513AMethod of making honeycomb structuresENGELHARD MIN & CHEM·Filed 1975·Granted Oct 6, 1981·18 cites·10 claims
- 1163US4091028AProduction of phthalocyanine greenCIBA GEIGY CORP·Filed 1976·Granted May 23, 1978·6 cites·16 claims
- 1262US4801638AProduction of pigmentary copper phthalocyanineCIBA GEIGY CORP·Filed 1987·Granted Jan 31, 1989·5 cites·4 claims
- 1360US4426262APromotion of Pt-Ir catalytic electrodes with lead, tantalum, ruthenium and oxygenENGELHARD CORP·Filed 1982·Granted Jan 17, 1984·12 cites·14 claims
- 1458US5449774AProduction of beta form pigmentary copper phthalocyanineCIBA GEIGY CORP·Filed 1991·Granted Sep 12, 1995·7 cites·26 claims
- 1558US3951672AGlass frit containing lead ruthenate or lead iridate in relatively uniform dispersion and method to produce sameENGELHARD MIN & CHEM·Filed 1974·Granted Apr 20, 1976·8 cites·20 claims
- 1653US4920217AProduction of dimethylaminomethyl copper phthalocyanineCIBA GEIGY CORP·Filed 1988·Granted Apr 24, 1990·5 cites·4 claims
- 1751US2022178081A1Process and system for manufacturing a fibreboard from waste materialsUNWASTED LTD·Filed 2020·Application pending·0 cites
- 1851US2009188638A1Process for manufacturing a material in sheet form, comprising at least one fibrous layer and security and/or decorative elementsARJOWIGGINS·Filed 2007·Application pending·0 cites
- 1950US4981888AResin compositionsCIBA GEIGY CORP·Filed 1989·Granted Jan 1, 1991·8 cites·13 claims
- 2050US4512866ATitanium-lead anode for use in electrolytic processes employing sulfuric acidLANGLEY ROBERT C·Filed 1983·Granted Apr 23, 1985·7 cites·6 claims
- 2150US2022106539A1Wash reagent containing alkoxylated fatty alcohol and methods of production and use thereofSIEMENS HEALTHCARE DIAGNOSTICS INC·Filed 2019·Application pending·0 cites
- 2245US4801634AProduction of pigmentary copper phthalocyanineCIBA GEIGY CORP·Filed 1987·Granted Jan 31, 1989·2 cites·4 claims
- 2344US4694078AProduction of pigmentary copper phthalocyanineCIBA GEIGY CORP·Filed 1986·Granted Sep 15, 1987·2 cites·13 claims
- 2441US6031030AProduction processCIBA SPEICIALTY CHEMICALS CORP·Filed 1998·Granted Feb 29, 2000·4 cites·20 claims
- 2539US5964929AProcess for the production of ink concentratesCIBA SC HOLDING AG·Filed 1996·Granted Oct 12, 1999·8 cites·19 claims
- 2633US4186066AElectrolysis cathodes with Ag-Ti intermetallic coatingTITANIUM IND·Filed 1978·Granted Jan 29, 1980·2 cites·12 claims
- 2729US4252565AStabilized phthalocyaninesCIBA GEIGY CORP·Filed 1979·Granted Feb 24, 1981·3 cites·11 claims
- 2828USD1101340SIndustrial transport cart frameCURRENT TOOLS INC·Filed 2022·Granted Nov 4, 2025·0 cites·1 claims
- 2926US5212221AStabilized phthalocyanine pigment compositionsCIBA GEIGY CORP·Filed 1992·Granted May 18, 1993·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →