Inventor

Wilfried Büschken

Inventor

Haltern am See, DE

Overview

20→

Patents

1988–2011

Patent span

Chemistry

Primary field (CPC C)

Patents· 20 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds53%

Y02PClimate change mitigation technologies in the production or processing of goods15%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C11DDetergent compositions6%

B01DSeparation3%

C07DHeterocyclic compounds3%

F25DRefrigerators3%

PatentTitleYear

7,968,758'Process for the dissociation of MTBE'2011 7,919,662'Process for the dissociation of MTBE'2011 7,910,786'Process for the dissociation of MTBE'2011 7,683,204'Mixture of alicyclic polycarboxylic acid esters having high cis isomer content'2010 7,611,683'Apparatus and process for the continuous reaction of a liquid with a gas over a solid catalyst'2009 7,524,997'Process for the hydrogenation of oxo aldehydes having high ester contents'2009 7,435,848'Method for preparing alicyclic carboxylic acids and their esters'2008 7,399,892'Process for dewatering ethanol'2008 7,161,053'Oligomerization of isobutene in N-butenic hydrocarbon streams'2007 7,138,552'Method for producing C13-alcohol mixtures'2006 7,002,053'Method for preparing high-purity diisobutene'2006 7,002,050'Process for preparing tert-butanol from isobutene-containing hydrocarbon mixtures'2006 6,680,414'Process for the hydrogenation of hydroformylation mixtures'2004 6,603,047'Condensation of aldehydes with ketones by multiphase reaction'2003 6,555,716'Process for the hydroformylation of olefins'2003 6,500,991'Stabilizing rhodium catalysts for the hydroformylation of olefins'2002 6,303,535'Process for reducing oxidic hydrogenation catalysts'2001 5,416,215'Process to preparing 2,2,6,6-tetra-methylpiperidine-n-oxyl and its 4-position substituted derivatives'1995 4,788,318'Process for the production of 4,4,8,8,10-pentamethyl-10-cyano-bicyclo[4.4.0]-dec-1,6-en-2-one'1988 4,788,342'Process for preparation of 4,4,8,8,10-pentamethylbicyclo[4,4,0]-decene-(1,6)-one(2)'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1995Patents assigned to HUELS CHEMISCHE WERKE AG (3)· patent assignee history

1988–2006Based in Haltern, DE· patent location history

2001–2010Patents assigned to OXENO OLEFINCHEMIE GMBH (14)· patent assignee history

2006–2011Based in Haltern am See, DE· patent location history

2011Patents assigned to EVONIK OXENO GMBH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OXENO OLEFINCHEMIE GMBH	14	2001–2010
EVONIK OXENO GMBH	3	2011
HUELS CHEMISCHE WERKE AG	3	1988–1995

Locations

Location	Patents	Span
Haltern am See, DE	11	2006–2011
Haltern, DE	9	1988–2006