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Jurgen Martens
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Oldenburg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Compounds for combating plant disease
Patent number
5,534,541
Issue date
Jul 9, 1996
Degussa Aktiengesellschaft
Karlheinz Drauz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the removal of aqueous liquids from the sump of an under...
Patent number
5,147,147
Issue date
Sep 15, 1992
Energieversorgung Weser-Ems AG
Harald Peterson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Thin-layer chromatographic method for the separation of enantiomers
Patent number
4,590,167
Issue date
May 20, 1986
Degussa Aktiengesellschaft
Kurt Gunther
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the separation of L-leucine and L-isoleucine
Patent number
4,562,153
Issue date
Dec 31, 1985
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for obtaining pure L-leucine
Patent number
4,562,152
Issue date
Dec 31, 1985
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the recovery of S-(carboxymethyl)-(R)-cysteine and S-(c...
Patent number
4,551,548
Issue date
Nov 5, 1985
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of substituted phosphonic and phosphinic...
Patent number
4,524,211
Issue date
Jun 18, 1985
Degussa Aktiengesellschaft
Karlheinz Drauz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N.alpha.-(3-Cyanopropanoyl)-aminocarboxylic acid derivatives and th...
Patent number
4,511,719
Issue date
Apr 16, 1985
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active proline derivative, process for its production and...
Patent number
4,469,875
Issue date
Sep 4, 1984
Degussa Aktiengesellschaft
Eberhard Busker
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of L-proline
Patent number
4,469,876
Issue date
Sep 4, 1984
Degussa Aktiengesellschaft
Karlheinz Drauz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aqueous solutions of sodium salts of...
Patent number
4,436,910
Issue date
Mar 13, 1984
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the separation of the racemate (R,S)-cysteine
Patent number
4,430,509
Issue date
Feb 7, 1984
Degussa Aktiengesellschaft
Horst Bethge
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.alpha.-(3-Cyano-propanoyl)-aminocarboxylic acid derivatives
Patent number
4,426,532
Issue date
Jan 17, 1984
Degussa AG
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the resolution of the racemate S-(carboxymethyl)-(RS)-c...
Patent number
4,416,828
Issue date
Nov 22, 1983
Degussa Aktiengesellschaft
Horst Bethge
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the resolution of the racemate (1RS,2SR)-2-amino-1-phen...
Patent number
4,416,827
Issue date
Nov 22, 1983
Degussa Aktiengesellschaft
Horst Bethge
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production thiazolines-(3)
Patent number
4,415,738
Issue date
Nov 15, 1983
Degussa Aktiengesellschaft
Jurgen Martens
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the resolution of the racemate S-(carboxymethyl)-(RS)-c...
Patent number
4,411,840
Issue date
Oct 25, 1983
Degussa Aktiengesellschaft
Horst Bethge
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aqueous sodium methioninate solutions
Patent number
4,391,987
Issue date
Jul 5, 1983
Degussa Aktiengesellschaft
Manfred Spindler
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for the production of aqueous sodium methioninate solutions
Patent number
4,391,988
Issue date
Jul 5, 1983
Degussa Aktiengesellschaft
Manfred Spindler
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for the production of 4-aminobutyramide hydrochloride
Patent number
4,376,215
Issue date
Mar 8, 1983
Degussa AG
Klaus Deller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of peptides
Patent number
4,374,062
Issue date
Feb 15, 1983
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active 1,2-bis-(diphenylphosphine)-compounds
Patent number
4,356,324
Issue date
Oct 26, 1982
Wolfgang Bergstein
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 4-aminobutyramide hydrochloride
Patent number
4,322,552
Issue date
Mar 30, 1982
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 3-cyanopropionamide
Patent number
4,313,894
Issue date
Feb 2, 1982
Degussa Aktiengesellschaft
Axel Kleemann
C07 - ORGANIC CHEMISTRY