Inventor

Hermann Luyken

Inventor

Ludwigshafen, DE

Overview

1991–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 79 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds47%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%

C07DHeterocyclic compounds10%

Y02PClimate change mitigation technologies in the production or processing of goods8%

C01CAmmonia3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B01DSeparation2%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%

C01GCompounds containing metals not covered by subclasses c01d or c01f2%

PatentTitleYear

11,021,434Method for producing ethyleneamines2021 10,941,092Hydroformylation process for producing 1,6-hexanediol derivatives2021 9,914,693'Process for preparing EDA using SO2-free hydrocyanic acid'2018 9,890,113'Method for continuous production of adiponitrile'2018 9,828,329Method for the distillative purification of EDA2017 9,822,067'Method for purifying adipodinitrile (ADN)'2017 9,493,405'Method for producing linear pentenenitrile'2016 9,446,960'Process for ion exchange on zeolites'2016 9,249,029'Single chamber vaporizer and use thereof in chemical synthesis'2016 9,096,497'Process for preparing EDDN and EDMN'2015 9,012,638'Process for preparing EDDN and/or EDMN by conversion of FACH and EDA'2015 8,952,156'Process for working up reaction outputs from the hydrogenation of EDDN or EDMN'2015 8,946,459'Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN'2015 8,772,527'Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles'2014 8,530,690'Process for isomerizing CIS-2-pentenenitrile to 3-pentenenitriles'2013 8,410,299'Method for producing linear pentenenitrile'2013 8,278,474'Method for the separation of pentenenitrile isomers'2012 8,058,466'Method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene'2011 7,935,229'Extraction of nickel (0) complexes from nitrile mixtures with reduced rag formation'2011 7,875,740'Iron-containing material suitable for use as hydrogenation catalyst'2011 7,851,656'Method for producing organic phosphorous compounds containing halogens'2010 7,816,551'Method for producing dinitriles'2010 7,781,608'Production of 3-pentenenitrile from 1,3-butadiene'2010 7,709,675'Continuous method for the production of linear pentene nitriles'2010 7,705,171'Process for producing nickel(0)-phosphorus ligand complexes'2010 7,700,795'Use of azeotropically dried nickel(ii) halogenides'2010 7,671,229'Method for the production of pentene nitriles from n-butane'2010 7,612,224'Isomerisation of cis-2-pentenenitrile to form 3-pentenenitrile in a reactive distillation'2009 7,566,800'Homogeneous isomerization of cis-2-pentene nitrile to form 3-pentene nitrile'2009 7,550,407'System suitable for the hydrocyanation of olefinically unsaturated compounds'2009 7,541,486'Method for producing 3-pentenenitrile'2009 7,538,240'Method for the hydrocyanation of butadiene'2009 7,528,275'Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene'2009 7,521,575'Sterically hindered chelate phosphinite-phosphite ligand, catalyst, comprising at least one nickel(0) complex stabilized by said ligand and method for production of nitriles'2009 7,504,529'Method for hydrocyanation'2009 7,501,047'Method for purifying caprolactam'2009 7,462,263'Method for purifying hydrocyanic acid'2008 7,439,381'Hydrocyanation method'2008 7,407,643'Process for removing water from a mixture containing water and zinc chloride'2008 7,385,073'Method for reducing the content of an unsaturated amine in a mixture containing an amino nitrile, a diamine, a dinitrile or mixtures thereof'2008 7,361,778'Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile'2008 7,294,326'Hydrocyanic acid consisting of formamide'2007 7,217,818'Purification of caprolactam'2007 7,147,757'Method for separating an azepine derivative out of a mixture containing an amine an azepine derivative'2006 7,115,781'Iron-containing oxidic material suitable for use as hydrogenation catalyst precursor'2006 7,091,153'Hydrogenation catalyst'2006 7,084,294'Method for the recycling of a Lewis acid'2006 6,972,075'Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine'2005 6,905,997'Method for generating catalysts'2005 6,896,772'Method for separating ammonia from solutions containing caprolactam and ammonia'2005 6,878,798'Method for producing a polymer, using caprolactam'2005 6,852,669'Hydrogenation catalyst'2005 6,828,457'Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile'2004 6,815,388'Method for activating passivated iron'2004 6,699,960'Method for producing polyamides from dinitriles and diamines'2004 6,686,465'Preparation of cyclic lactams'2004 6,683,178'Preparation of cyclic lactams'2004 6,462,220'Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine'2002 6,359,178'Method for producing hexamethylene diamine'2002 6,348,630'Method for purifying hexamethylenediamine in mixtures of hexamethylenediamine and an unsaturated cyclic imine'2002 6,346,641'Method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine'2002 6,300,497'Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative'2001 6,297,394'Iron-based catalyst for hydrogenating alpha-, omega-dinitriles'2001 6,278,023'Method for producing aliphatic alpha-, omega-diamines'2001 6,265,602'Method for hydrogenating aliphatic alpha-, omega-dinitriles'2001 6,255,521'Method for producing aliphatic alpha, omega-amino nitriles'2001 6,252,115'Method for separating an imine from a mixture containing an amine and an imine'2001 6,251,229'Process for the separation of 2-aminomethylcyclopentylamine from a mixture containing hexamethyldiamine and 2-aminomethylcyclopentylamine'2001 6,207,851'Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine'2001 6,204,408'Method for separating 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine'2001 6,169,199'Method for separating 6-aminocaproic acid nitrile from mixtures containing 6-aminocaproic acid nitrile and an imine'2001 6,147,208'Process for simultaneously preparing caprolactam and hexamethylene diamine'2000 6,147,247'Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine'2000 6,139,693'Method for obtaining hexamethylene diamine from mixtures containing hexamethylene diamine'2000 6,022,999'Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a cis/trans isomer ratio of at least 70:30'2000 5,756,845'Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine'1998 5,717,090'Simultaneous preparation of caprolactam and hexamethylenediamine'1998 5,496,941'Process for continuous purification of crude caprolactam prepared from 6-aminocapronitrile'1996 4,982,018'Removal of cyclohexanol from aqueous solutions containing it and aromatic sulfonic acids'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2012Patents assigned to BASF AG (55)· patent assignee history

1991–2021Based in Ludwigshafen, DE· patent location history

2008–2021Patents assigned to BASF SE (23)· patent assignee history

2008–2016Patents assigned to LUYKEN HERMANN (10)· patent assignee history

2008–2015Patents assigned to BAUMANN ROBERT (8)· patent assignee history

2015Patents assigned to AHRENS SEBASTIAN (4)· patent assignee history

2018Based in Heidelberg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	55	1991–2012
BASF SE	23	2008–2021
LUYKEN HERMANNself	10	2008–2016
BAUMANN ROBERT	8	2008–2015
AHRENS SEBASTIAN	4	2015

Locations

Location	Patents	Span
Ludwigshafen, DE	78	1991–2021
Heidelberg, DE	1	2018