Inventor

Alexander Wissemeier

Inventor
Speyer, DE

Overview

13→
Patents
2011–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C05Cprimary
C05CNitrogenous fertilisers16%
C05GMixtures of fertilisers covered individually by different subclasses of class c0516%
Y02PClimate change mitigation technologies in the production or processing of goods14%
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
C07DHeterocyclic compounds6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
A01GHorticulture3%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse3%
C07CAcyclic or carbocyclic compounds3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2021Patents assigned to BASF SE (12)· patent assignee history
2011–2016Patents assigned to WISSEMEIER ALEXANDER (4)· patent assignee history
2011–2013Patents assigned to RAHN RALF-THOMAS (2)· patent assignee history
2011–2013Patents assigned to WEIGELT WOLFGANG (2)· patent assignee history
2011–2021Based in Speyer, DE· patent location history
2015Patents assigned to BRAHM LUTZ (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF SE122011–2021
WISSEMEIER ALEXANDERself42011–2016
RAHN RALF-THOMAS22011–2013
WEIGELT WOLFGANG22011–2013
BRAHM LUTZ12015
Locations
LocationPatentsSpan
Speyer, DE132011–2021