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Theodor Pfister
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Monheim, DE
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last 30 patents
Information
Patent Grant
Herbicidal sulphonylaminoguanidinoazines
Patent number
5,221,317
Issue date
Jun 22, 1993
Bayer Aktiengesellschaft
Klaus-Helmut Muller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal substituted sulphonylamidinohydrazones
Patent number
5,213,608
Issue date
May 25, 1993
Bayer Aktiengesellschaft
Christa Fest
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herricidal substituted sulphonylamidinohydrazones
Patent number
5,167,692
Issue date
Dec 1, 1992
Bayer Aktiengesellschaft
Christa Fest
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides
Patent number
4,990,637
Issue date
Feb 5, 1991
Bayer Aktiengesellschaft
Christa Fest
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulphonyliso(thio)urea derivatives as herbicides
Patent number
4,988,379
Issue date
Jan 29, 1991
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal and plant growth-regulating substituted phenoxyphenylsul...
Patent number
4,969,948
Issue date
Nov 13, 1990
Bayer Aktiengesellschaft
Michael Haug
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal sulphonylaminoguanidinoazines
Patent number
4,952,233
Issue date
Aug 28, 1990
Bayer Aktiengesellschaft
Klaus-Helmut Muller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-(2-oxyaminosulphonylphenylsulphonyl)-3-heteroaryl-ureas
Patent number
RE33298
Issue date
Aug 14, 1990
Bayer Aktiengesellschaft
Hans-Joachim Diehr
071 - Chemistry: fertilizers
Information
Patent Grant
Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides
Patent number
4,927,454
Issue date
May 22, 1990
Bayer Aktiengesellschaft
Christa Fest
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Halogenoalkoxy-phenylsulphonylisothioureidoazine herbicidal agents
Patent number
4,911,752
Issue date
Mar 27, 1990
Bayer Aktiengesellschaft
Christa Fest
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Substituted guanidine derivatives
Patent number
4,880,932
Issue date
Nov 14, 1989
Bayer Aktiengesellschaft
Koichi Moriya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted guanidine derivatives
Patent number
4,844,730
Issue date
Jul 4, 1989
Bayer Aktiengesellschaft
Koichi Moriya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulphonyliso(thio)urea derivatives and herbicidal use thereof
Patent number
4,840,661
Issue date
Jun 20, 1989
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-(2-oxyaminosulphonylphenylsulphonyl)-3-triazinyl-ureas
Patent number
4,820,337
Issue date
Apr 11, 1989
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides
Patent number
4,806,147
Issue date
Feb 21, 1989
Bayer Aktiengesellschaft
Christa Fest
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal acylated sulphonylguanidines
Patent number
4,802,910
Issue date
Feb 7, 1989
Bayer Aktiengesellschaft
Rolf Kirsten
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of N'-sulphonyl- and N',N"-bis-sulphony...
Patent number
4,797,484
Issue date
Jan 10, 1989
Bayer Aktiengesellschaft
Koichi Moriya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenoxypropionyloxyalkane - phosphonates having herbicidal properties
Patent number
4,787,929
Issue date
Nov 29, 1988
Bayer Aktiengesellschaft
Theodor Pfister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-substituted 1-(2-halogenoalkoxy-benzenesulphonyl)-3-heteroaryl-(t...
Patent number
4,780,126
Issue date
Oct 25, 1988
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenoxybenzoic acid ester herbicides
Patent number
4,769,484
Issue date
Sep 6, 1988
Bayer Aktiengesellschaft
Heinz Forster
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzodisultams
Patent number
4,769,455
Issue date
Sep 6, 1988
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N'-(substituted-1,3,5-triazin-2-yl)-N"-amino-N"'-(substituted-benze...
Patent number
4,743,294
Issue date
May 10, 1988
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxyguanidine derivatives
Patent number
4,741,759
Issue date
May 3, 1988
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal novel 1-(2-trifluoromethoxy-phenylsulphonyl)-3-heteroary...
Patent number
4,732,711
Issue date
Mar 22, 1988
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal benzodisultam derivatives, composition, and method of us...
Patent number
4,726,834
Issue date
Feb 23, 1988
Bayer Aktiengesellschaft
Christa Fest
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluoroalkoxyphenylsulphonylguanidines
Patent number
4,725,304
Issue date
Feb 16, 1988
Bayer Aktiengesellschaft
Hans-Joachim Diehr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N'-(substituted-pyrimidin-2-yl)-N"-amino-N"'-(substituted-benzenesu...
Patent number
4,725,303
Issue date
Feb 16, 1988
Bayer Aktiengesellschaft
Koichi Moriya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N'-(substituted-1,3,5-triazin-2-yl)-N"-substituted-N",N"'-bis-(subs...
Patent number
4,725,305
Issue date
Feb 16, 1988
Bayer Aktiengesellschaft
Koichi Moriya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Intermediate 2-cyanoamino-pyrimidine and triazine derivatives
Patent number
4,721,785
Issue date
Jan 26, 1988
Bayer Aktiengesellschaft
Koichi Moriya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-cyanoamino-pyrimidines
Patent number
4,711,959
Issue date
Dec 8, 1987
Bayer Aktiengesellschaft
Joachim Kluth
C07 - ORGANIC CHEMISTRY