Inventor

Guido Giffels

Inventor

Bonn, DE

Overview

11→

Patents

2001–2012

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds33%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry21%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium21%

C07DHeterocyclic compounds17%

C07BGeneral methods of organic chemistry8%

PatentTitleYear

8,227,641'Process for the preparation of aminoalkylamines'2012 7,329,779'Process for preparing optionally substituted arylsulphonic anhydrides'2008 7,119,237'Process and catalyst for preparing alcohols'2006 6,844,462'Biphenydiols'2005 6,566,298'Diphosphines'2003 6,489,513'Process for the preparation of enantiomerically pure (5, 5-dichloro-6,6-dimethoxy-biphenyl-2,2-diyl)- bis(diphenylphosphine oxides)'2002 6,462,200'Diphosphines'2002 6,458,954'Process for preparing piperidines'2002 6,296,788'Process for the preparation of Grignard reagents and novel Grignard reagents'2001 6,288,262'Process for the preparation of 2-methoxyethoxy-benzenes and novel 2-methoxyethoxy-benzyl cyanides'2001 6,180,837'Process for the catalytic enantioselective reduction of ketones'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2006Patents assigned to BAYER AG (8)· patent assignee history

2001Patents assigned to DEGUSSA (1)· patent assignee history

2001Patents assigned to FORSCHUNGSZENTRUM JUELICH GMBH (1)· patent assignee history

2001–2012Based in Bonn, DE· patent location history

2008Patents assigned to LANXESS DEUTSCHLAND GMBH (1)· patent assignee history

2012Patents assigned to GIFFELS GUIDO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	8	2001–2006
DEGUSSA	1	2001
FORSCHUNGSZENTRUM JUELICH GMBH	1	2001
GIFFELS GUIDOself	1	2012
LANXESS DEUTSCHLAND GMBH	1	2008

Locations

Location	Patents	Span
Bonn, DE	11	2001–2012