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Heinz Landscheidt
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Duisburg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing substituted cyclohexanones
Patent number
5,886,232
Issue date
Mar 23, 1999
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of carbazates
Patent number
5,756,824
Issue date
May 26, 1998
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing cyclopentyl bromide
Patent number
5,744,663
Issue date
Apr 28, 1998
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of C.sub.1 -C.sub.4 -alkyl nitrites
Patent number
5,649,322
Issue date
Jul 15, 1997
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of substituted 1,2,3,4-tetrahydrocarbaz...
Patent number
5,648,500
Issue date
Jul 15, 1997
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing substituted chloroaromatics
Patent number
5,648,570
Issue date
Jul 15, 1997
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of alkyl nitrite-containing exhaust gases
Patent number
5,562,887
Issue date
Oct 8, 1996
Bayer Aktiengesellschaft
Heinz Landscheidt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the continuous preparation of nitrosyl chloride
Patent number
5,552,130
Issue date
Sep 3, 1996
Bayer Aktiengesellschaft
Helmut Kraus
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of p-amino-phenols
Patent number
5,545,754
Issue date
Aug 13, 1996
Bayer Aktiengesellschaft
Alexander Klausener
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dimethyl carbonate
Patent number
5,543,548
Issue date
Aug 6, 1996
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dimethyl carbonate
Patent number
5,498,744
Issue date
Mar 12, 1996
Bayer Aktiengesellschaft
Joerg-Dietrich Jentsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of heterosubstituted acetals
Patent number
5,478,960
Issue date
Dec 26, 1995
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,476,959
Issue date
Dec 19, 1995
Bayer Aktiengesellschaft
Konrad Hable
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for separating off methanol from a mixture of dimethyl carb...
Patent number
5,455,368
Issue date
Oct 3, 1995
Bayer Aktiengesellschaft
Ingo Janisch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,449,806
Issue date
Sep 12, 1995
Bayer Aktiengesellschaft
Alexander Klausener
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing dialkyl carbonates
Patent number
5,414,104
Issue date
May 9, 1995
Bayer Aktiengesellschaft
Joerg-Dietrich Jentsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the continuous preparation of alkyl nitrites
Patent number
5,412,147
Issue date
May 2, 1995
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,360,922
Issue date
Nov 1, 1994
Bayer Aktiengesellschaft
Erich Wolters
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,319,124
Issue date
Jun 7, 1994
Bayer Aktiengesellschaft
Erich Wolters
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aromatic amines which are substitute...
Patent number
5,304,680
Issue date
Apr 19, 1994
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of N-acylated p-amino-phenols
Patent number
5,302,742
Issue date
Apr 12, 1994
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,288,894
Issue date
Feb 22, 1994
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,235,087
Issue date
Aug 10, 1993
Bayer Aktiengesellschaft
Alexander Klausener
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkyl carbonates
Patent number
5,231,213
Issue date
Jul 27, 1993
Bayer Aktiengesellschaft
Heinz Landscheidt
C07 - ORGANIC CHEMISTRY