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Paul Fiedler
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Cologne, DE
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last 30 patents
Information
Patent Grant
Process for the selective hydrogenation of unsaturated compounds
Patent number
RE34548
Issue date
Feb 15, 1994
Bayer Aktiengesellschaft
Paul Fiedler
525 - Synthetic resins or natural rubbers
Information
Patent Grant
Process for the preparation of intermediates
Patent number
5,099,040
Issue date
Mar 24, 1992
Bayer Aktiengesellschaft
Winfried Rosen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrogenation of unsaturated polymers containing nitrile groups
Patent number
5,034,469
Issue date
Jul 23, 1991
Bayer Aktiengesellschaft
Hartmuth Buding
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of 2-(4-chlorophenylethyl)-2-tert.-buty...
Patent number
4,988,829
Issue date
Jan 29, 1991
Bayer Aktiengessellschaft
Paul Fiedler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the selective hydrogenation of unsatuated compounds
Patent number
4,978,771
Issue date
Dec 18, 1990
Bayer Aktiengesellschaft
Paul Fiedler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for selective hydrogenation of C--C double bonds in the pre...
Patent number
4,812,587
Issue date
Mar 14, 1989
Bayer Aktiengesellschaft
Paul Fiedler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the selective hydrogenation of unsaturated polymers con...
Patent number
4,795,788
Issue date
Jan 3, 1989
Bayer Aktiengesellschaft
Thomas Himmler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the selective hydrogenation of unsaturated compounds
Patent number
4,746,707
Issue date
May 24, 1988
Bayer Aktiengesellschaft
Paul Fiedler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for selective hydrogenation of C-C double bonds in the pres...
Patent number
4,673,757
Issue date
Jun 16, 1987
Bayer Aktiengesellschaft
Paul Fiedler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrogenation of nitrile group-containing unsaturated polymers
Patent number
4,631,315
Issue date
Dec 23, 1986
Bayer Aktiengesellschaft
Hartmuth Buding
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for formylating aryl halides
Patent number
4,536,344
Issue date
Aug 20, 1985
Bayer Aktiengesellschaft
Paul Fiedler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-Aminomethyl-1-(3-aminopropyl-1-methyl)-4-methylcyclohexane, a pro...
Patent number
4,487,966
Issue date
Dec 11, 1984
Bayer Aktiengesellschaft
Paul Fiedler
C07 - ORGANIC CHEMISTRY