HG

Holger Geissler

CL Clariant: 2 patents #16 of 121Top 15%
CG Celanese Gmbh: 1 patents #1 of 4Top 25%
Overall (2003): #29,377 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6653502 Process for preparing phenylacetic acid derivatives 2003-11-25
6566521 Valeraldehyde and process for its preparation Petrus W. N. M. Van Leeuwen, Paul Kamer, Lars Anders Van Der Veen 2003-05-20
6521097 Process for separating hydrogen chloride from a mixture comprising an N-alkyl-2-pyrrolidone and hydrogen chloride 2003-02-18