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Erhard Jagers
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Bornheim, DE
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last 30 patents
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Patent Grant
Preparation of methyltris(m-sulfonatophenyl) phosphonium iodide tri...
Patent number
5,403,954
Issue date
Apr 4, 1995
Hoechst Aktiengesellschaft
Peter Heymanns
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of acetic acid and acetic anhydride
Patent number
5,380,929
Issue date
Jan 10, 1995
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the stabilization of ethanolic ethylmagnesium carbonate...
Patent number
5,326,897
Issue date
Jul 5, 1994
Hoechst Aktiengesellschaft
Erhard Jagers
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of waste acetic acid
Patent number
5,306,398
Issue date
Apr 26, 1994
Hoechst Aktiengesellschaft
Andreas Seidel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for inhibiting and destroying peroxides in dialkyl ethers
Patent number
5,166,452
Issue date
Nov 24, 1992
Hoechst Aktiengesellschaft
Reinhard Gradl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for removing metallic corrosion products from carbonylation...
Patent number
5,124,290
Issue date
Jun 23, 1992
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of N-acylphosphinothricin diesters
Patent number
5,075,485
Issue date
Dec 24, 1991
Hoechst Aktiengesellschaft
Manfred Bohshar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of phenylalanine n-propyl ester hydroch...
Patent number
4,898,966
Issue date
Feb 6, 1990
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for making acetic anhydride
Patent number
4,529,560
Issue date
Jul 16, 1985
Hoechst Aktiengesellschaft
Wilhelm Vogt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for making acetic anhydride
Patent number
4,497,747
Issue date
Feb 5, 1985
Hoechst Aktiengesellschaft
Wilhelm Vogt
C07 - ORGANIC CHEMISTRY