Inventor

Joannes Gerardus Theodorus Kierkels

Inventor

Sittard, NL

Overview

8→

Patents

1995–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C12Pprimary

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture54%

C12NMicroorganisms or enzymes38%

C07DHeterocyclic compounds8%

PatentTitleYear

11,072,805Two-phase fermentation process for the production of an organic compound2021 11,041,175Two-phase fermentation process for the production of an organic compound2021 8,642,312'Polypeptide having esterase activity and recombinant esterase and use thereof'2014 8,158,393'Polypeptide having esterase activity and recombinant esterase and use thereof'2012 7,713,724'Hydantoin racemase'2010 7,439,046'Process for the preparation of 2,4-dideoxyhexoses and 2,4,6-trideoxyhexoses'2008 6,964,863'Process for the preparation of 2,4-dideoxyhexoses and 2,4,6-trideoxyhexoses'2005 5,407,828'Process for stereoselection of (2R,3S)-3-phenylgycidic ester using lipase from candida antarctica'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2014Based in Sittard, NL· patent location history

2005–2010Patents assigned to DSM IP ASSETS BV (3)· patent assignee history

2012–2014Patents assigned to DSM FINE CHEM AUSTRIA GMBH (2)· patent assignee history

2012–2014Patents assigned to HERMANN MANUELA (2)· patent assignee history

2012–2014Patents assigned to KIERKELS JOANNES (2)· patent assignee history

2012–2014Patents assigned to PICHLER HARALD (2)· patent assignee history

2021Based in Geleen, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DSM IP ASSETS BV	3	2005–2010
DSM FINE CHEM AUSTRIA GMBH	2	2012–2014
HERMANN MANUELA	2	2012–2014
KIERKELS JOANNESself	2	2012–2014
PICHLER HARALD	2	2012–2014

Locations

Location	Patents	Span
Sittard, NL	6	1995–2014
Geleen, NL	2	2021