Inventor

Wilfried Bueschken

Inventor
Haltern am See, DE

Overview

46→
Patents
1989–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 46 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds51%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
Y02PClimate change mitigation technologies in the production or processing of goods11%
B01DSeparation5%
C07BGeneral methods of organic chemistry4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C10GCracking hydrocarbon oils2%
C07DHeterocyclic compounds1%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium1%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%
PatentTitleYear
8,907,129'Process for preparing decanecarboxylic acids'20148,846,994'Method for producing low-odor n-butane'20148,581,008'Process for preparing α,β-unsaturated C10-aldehydes'20138,563,782'Producing α,β-unsaturated aldehydes by means of a reaction mixing pump'20138,461,394'Process for preparing C5 aldehyde mixtures with a high n-pentanal content'20138,431,638'Citric ester mixtures and their use'20138,415,520'Work-up of a 3-methyl-1-butene-containing mixture'20138,389,774'Parallelized jet loop reactors'20138,258,325'Mixture of diesters of dianhydrohexitol derivatives with carboxylic acids of the empirical formula C8H17COOH, process for preparing these diesters, and use of these mixtures'20128,226,829'Method for separating organic transition metal complex catalysts'20128,207,375'Microporous catalyst and method for hydrogenating aromatic compounds'20128,143,468'Process for preparing 3-methylbut-1-ene'20128,138,379'One-stage continuous process for hydroformylating higher olefins or olefin mixtures'20128,129,571'Multistage continuous process for the hydroformylation of higher olefins or olefin mixtures'20128,044,229'Alicyclic polycarboxylic ester mixtures with a high trans proportion and method for the production thereof'20117,737,318'Process for fine purification of 1-butenic streams'20107,632,961'Method for the production of alicyclic polycarboxylic acid esters from partial esters of aromatic polycarboxylic acids'20097,495,134'Carbonylation method by adding secondary sterically hindered amines'20097,473,808'Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process'20097,432,407'Hydroisomerization of olefins comprising between 4 and 6 carbon atoms'20087,381,838'Preparation of tertiary carboxylic acids'20087,361,714'Catalyst and method for hydrogenating aromatic compounds'20087,354,883'Catalyst and method for the production of 1-olefins from 2-hydroxylkanes'20087,323,586'Phthalic acid alkyl ester mixtures with controlled viscosity'20087,235,704'Process for preparing isobutene from tert-butanol'20077,179,948'Process for preparing tert-butanol'20077,179,947'Process for the hydroformylation of olefins'20077,154,012'Process for preparing alcohols from olefins by hydroformylation and hydrogenation'20066,916,950'Process for preparing carboxylic esters'20056,864,388'Process for preparing salts of methallylsulfonic acid'20056,720,457'Process for the hydroformylation of higher olefins using cobalt compounds as catalyst'20046,657,090'Process for preparing highly pure raffinate II and Methyl tert-butyl ether'20036,627,782'Preparation of 1-olefins'20036,482,992'Multistage process for the preparation of oxo aldehydes and/or alcohols'20026,433,230'Process for conducting an aldol condensation'20026,407,295'Process for preparing higher oxo alcohols from olefin mixtures'20026,403,836'Process for the hydroformylation of olefins by reducing the formic acid concentration'20026,340,778'Process for catalytic aldol condensations by means of a multiphase reaction'20026,331,657'Process for preparing higher oxo alcohols from olefin mixtures by two-stage hydroformylation'20016,239,318'Process for the selective hydrogenation of hydroformylation mixtures'20016,184,424'Process for the hydrogenation of hydroformylation mixtures'20015,831,135'Process for the catalytic selective hydrogenation of polyunsaturated organic substances'19985,756,856'Process for the preparation of 2-ethylhexanal'19985,728,891'Process for the preparation of 3,3,5-trimethylcyclohexanone'19985,675,045'Process for the catalytic selective hydrogenation of polyunsaturated organic substances'19974,885,397'Process for the preparation of cyclic ketones by isomerization of epoxides'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2011Based in Haltern, DE· patent location history
2001–2009Patents assigned to OXENO OLEFINCHEMIE GMBH (23)· patent assignee history
2006–2014Based in Haltern am See, DE· patent location history
2009–2013Patents assigned to EVONIK OXENO GMBH (14)· patent assignee history
2012–2014Patents assigned to BUESCHKEN WILFRIED (14)· patent assignee history
2012–2014Patents assigned to KAIZIK ALFRED (11)· patent assignee history
2012–2014Patents assigned to LUEKEN HANS-GERD (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OXENO OLEFINCHEMIE GMBH232001–2009
BUESCHKEN WILFRIEDself142012–2014
EVONIK OXENO GMBH142009–2013
KAIZIK ALFRED112012–2014
LUEKEN HANS-GERD82012–2014
Locations
LocationPatentsSpan
Haltern am See, DE252006–2014
Haltern, DE211989–2011