Inventor

Guido Protzmann

Inventor
Bensheim, DE

Overview

16→
Patents
2002–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 16 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds64%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
A61KPreparations for medical, dental or toiletry purposes4%
B01DSeparation4%
C07DHeterocyclic compounds4%
Y02PClimate change mitigation technologies in the production or processing of goods4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to OXENO OLEFINCHEMIE GMBH (7)· patent assignee history
2002–2003Based in Marl, DE· patent location history
2003Based in Zwingenberg, DE· patent location history
2011–2017Patents assigned to EVONIK ROEHM GMBH (9)· patent assignee history
2011–2017Based in Bensheim, DE· patent location history
2012–2015Patents assigned to PROTZMANN GUIDO (6)· patent assignee history
2012–2015Patents assigned to KNEBEL JOACHIM (4)· patent assignee history
2012–2014Patents assigned to KEHR THOMAS (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EVONIK ROEHM GMBH92011–2017
OXENO OLEFINCHEMIE GMBH72002–2003
PROTZMANN GUIDOself62012–2015
KNEBEL JOACHIM42012–2015
KEHR THOMAS32012–2014
Locations
LocationPatentsSpan
Bensheim, DE92011–2017
Marl, DE52002–2003
Zwingenberg, DE22003