Inventor · disambiguated record
Holger Friedrich
Also filed as: FRIEDRICH HOLGER
38 granted patents·15 pending applications·307 citations·filing 1996–2024
97Inventor score
Top patents by PatentIndex Score
53 records- 0191US6592832B1Method for producing highly pure lithium saltsBASF AG·Filed 1999·Granted Jul 15, 2003·80 cites·4 claims
- 0290US10350532B2Porous alpha-SiC-containing shaped body having a contiguous open pore structureSTIHOLT LEIF·Filed 2017·Granted Jul 16, 2019·6 cites·11 claims
- 0388US7387672B2Oxidation-stable iron oxide pigments, process for preparing them and their useLANXESS DEUTSCHLAND GMBH·Filed 2007·Granted Jun 17, 2008·11 cites·21 claims
- 0486US7410536B2Oxidation-stable iron oxide pigments, process for preparing them and their useLANXESS DEUTSCHLAND GMBH·Filed 2007·Granted Aug 12, 2008·11 cites·25 claims
- 0579US9725320B2Basket-like device having wall insulationBASF SE·Filed 2014·Granted Aug 8, 2017·4 cites·15 claims
- 0678US10576449B2Reactor for carrying out heterogeneously catalysed gas phase reactions, and use of the reactorBASF SE·Filed 2016·Granted Mar 3, 2020·1 cites·20 claims
- 0777US10440990B2Composite heat source for a smoking articlePHILIP MORRIS PRODUCTS SA·Filed 2017·Granted Oct 15, 2019·3 cites·14 claims
- 0877US6414176B2Preparation of vinylsilanesBASF AG·Filed 2001·Granted Jul 2, 2002·9 cites·10 claims
- 0975US2025177039A1Heated Vapor Ablation Systems and Methods for Treating Cardiac ConditionsAQUA HEART INC·Filed 2024·Application pending·0 cites
- 1074US9427678B2Base for a mass transfer columnBASF SE·Filed 2012·Granted Aug 30, 2016·3 cites·13 claims
- 1170US7837785B2Process for the preparation of pigment granules and the use thereofLANXESS DEUTSCHLAND GMBH·Filed 2007·Granted Nov 23, 2010·2 cites·71 claims
- 1269US7332090B2Process for the removal of mercury from solutions contaminated with mercuryBASF AG·Filed 2003·Granted Feb 19, 2008·6 cites·8 claims
- 1368US12137969B2Heated vapor ablation systems and methods for treating cardiac conditionsAQUA HEART INC·Filed 2022·Granted Nov 12, 2024·0 cites·20 claims
- 1468US6657091B2Catalytic preparation of alkali metal alkoxidesBASF AG·Filed 2001·Granted Dec 2, 2003·4 cites·9 claims
- 1567US6110230AUse of carboxyamide-polysiloxanes for water proofing leatherBASF AG·Filed 1997·Granted Aug 29, 2000·21 cites·6 claims
- 1665US7517435B2Process for the removal of mercury from solutions contaminated with mercuryBASF SE·Filed 2003·Granted Apr 14, 2009·11 cites·4 claims
- 1765US7144455B2Process for preparing yellow iron oxide pigments with CaCo3 precipitantBAYER CHEMICALS AG·Filed 2004·Granted Dec 5, 2006·6 cites·11 claims
- 1864US5817853APreparation of acyloxyalkoxysilanesFiled 1997·Granted Oct 6, 1998·10 cites·19 claims
- 1963US8114258B2Electrolysis device for the production of alkali metalHUBER GUENTHER·Filed 2005·Granted Feb 14, 2012·2 cites·14 claims
- 2063US6759560B2Method for producing alkali methylatesBASF AG·Filed 2000·Granted Jul 6, 2004·12 cites·16 claims
- 2163US5919348AModification of the flow resistance of diaphragmsBASF AG·Filed 1997·Granted Jul 6, 1999·18 cites·8 claims
- 2259US11331140B2Heated vapor ablation systems and methods for treating cardiac conditionsAQUA HEART INC·Filed 2019·Granted May 17, 2022·0 cites·30 claims
- 2358US2024025829A1Integrated process for the parallel production of alkali metal methoxidesBASF SE·Filed 2021·Application pending·0 cites
- 2456US2024216861A1A process for decomposing nitrous oxide from a gas streamBASF SE·Filed 2022·Application pending·0 cites
- 2555US9636620B2Porous alpha-SiC-containing shaped body having a contiguous open pore structureSTIHOLT LEIF·Filed 2012·Granted May 2, 2017·0 cites·10 claims
- 2654US5773535AZiegler-natta catalyst systems containing specific organosilicon compoundsBASF AG·Filed 1997·Granted Jun 30, 1998·11 cites·9 claims
- 2753US5856543ASilanes comprising branched alkyl chainsBASF AG·Filed 1996·Granted Jan 5, 1999·5 cites·10 claims
- 2853US2024216862A1Process for working-up a nitrous oxide comprising off-gas streamBASF SE·Filed 2022·Application pending·0 cites
- 2951US2014373859A1Composite heat source for a smoking articlePHILIP MORRIS PRODUCTS SA·Filed 2012·Application pending·0 cites
- 3050US5755951ARegeneration of plastic diaphragmBASF AG·Filed 1997·Granted May 26, 1998·10 cites·19 claims
- 3148US2010154680A1Pigment granules which contain inorganic filter aidsLANXESS DEUTSCHLAND GMBH·Filed 2009·Application pending·0 cites
- 3247US6437198B1Method for producing alkali metal alcoholatesBASF AG·Filed 1999·Granted Aug 20, 2002·11 cites·16 claims
- 3346US2014227160A1Material and method for sealing off cavitiesBASF SE·Filed 2014·Application pending·0 cites
- 3445US6352660B1Preparation of composite fibers and diaphragmsBASF AG·Filed 1998·Granted Mar 5, 2002·17 cites·9 claims
- 3544US7931745B2Black pigment/auxiliary combination having improved colour strengthLANXESS DEUTSCHLAND GMBH·Filed 2007·Granted Apr 26, 2011·0 cites·14 claims
- 3644US2008289538A1Pigment preparations of pasty or gellike consistencyFRIEDRICH HOLGER·Filed 2008·Application pending·0 cites
- 3742US8440067B2Process for removing water from alkali metal amalgamMARTIN MARC·Filed 2007·Granted May 14, 2013·0 cites·17 claims
- 3842US2003083734A1StentCURATIVE AG·Filed 2002·Application pending·0 cites
- 3941US10974964B2Modular catalyst monolithsBASF SE·Filed 2016·Granted Apr 13, 2021·0 cites·7 claims
- 4041US8414698B2Pigment/auxiliary combination having improved colour propertiesFRIEDRICH HOLGER·Filed 2006·Granted Apr 9, 2013·0 cites·22 claims
- 4141US6537512B1Method for producing highly pure LiBF4BASF AG·Filed 1999·Granted Mar 25, 2003·8 cites·4 claims
- 4241US2005101806A1Process for the catalytic preparation of alkali metal alkoxidesFiled 2004·Application pending·0 cites
- 4340US9580333B2Process for preparing chromium(III) oxideFRIEDRICH HOLGER·Filed 2011·Granted Feb 28, 2017·0 cites·16 claims
- 4440US2004116832A1Catheter arrangementCURATIVE MEDICAL DEVICES GMBH·Filed 2003·Application pending·0 cites
- 4539US5899393ARecycling of diaphragmsBASF AG·Filed 1996·Granted May 4, 1999·4 cites·15 claims
- 4638US9725364B2Method for reducing hexavalent chromium in oxidic solidsLANXESS DEUTSCHLAND GMBH·Filed 2013·Granted Aug 8, 2017·0 cites·17 claims
- 4738US5976557ACarboxamidopolysiloxanes in cosmetic formulationsBASF AG·Filed 1997·Granted Nov 2, 1999·18 cites·8 claims
- 4837US5876785ARecycling of diaphragmsBASF AG·Filed 1997·Granted Mar 2, 1999·3 cites·16 claims
- 4937US2003097170A1Implantation device for an aorta in an aortic archCURATIVE AG·Filed 2002·Application pending·0 cites
- 5036US9663383B2Process for preparing chromium(III) oxideORTMANN RAINER·Filed 2011·Granted May 30, 2017·0 cites·16 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →