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Cleemann

Felix Cleemann, Heidelberg DE

Patent application numberDescriptionPublished
20110053848PRODRUG COMPRISING A DRUG LINKER CONJUGATE - The present invention relates to a prodrug or a pharmaceutically acceptable salt thereof comprising a drug linker conjugate D-L, wherein -D is an amine containing biologically active moiety; and -L is a non-biologically active linker moiety -L03-03-2011

Felix Cleemann, Hürth DE

Patent application numberDescriptionPublished
20090187017PROCESS FOR PREPARING ENANTIOMERICALLY ENRICHED BETA-AMINO ACID DERIVATIVES - The present invention relates to a process for the organo-catalysed kinetic racemate resolution of compounds of the general formula (II). It is thus possible through the action of catalytic amounts of enantiomerically enriched compounds of the general formula (Ia) or (Ib) to obtain on the one hand enantiomerically enriched optionally N-acylated β-amino acid esters and on the other hand enantiomerically enriched 4,5-dihydrooxazin-6-ones (oxazinones). The corresponding enantiomerically enriched β-amino acids can be formed from both easily separable classes of compounds by simple hydrolysis.07-23-2009

Felix Cleemann, Hürth DE

Patent application numberDescriptionPublished
20090187017PROCESS FOR PREPARING ENANTIOMERICALLY ENRICHED BETA-AMINO ACID DERIVATIVES - The present invention relates to a process for the organo-catalysed kinetic racemate resolution of compounds of the general formula (II). It is thus possible through the action of catalytic amounts of enantiomerically enriched compounds of the general formula (Ia) or (Ib) to obtain on the one hand enantiomerically enriched optionally N-acylated β-amino acid esters and on the other hand enantiomerically enriched 4,5-dihydrooxazin-6-ones (oxazinones). The corresponding enantiomerically enriched β-amino acids can be formed from both easily separable classes of compounds by simple hydrolysis.07-23-2009

Volker Cleemann, Ohrensen DE

Patent application numberDescriptionPublished
20100001131Method of and Apparatus for Producing Aerodynamic Resistance on an Aircraft - The invention concerns an apparatus for and a method of producing aerodynamic resistance on an aircraft, comprising at least one braking flap, wherein the at least one braking flap can be extended into the airflow around the aircraft. In accordance with the invention at least one braking flap is arranged on the fuselage of the aircraft in a region over the wings of the aircraft.01-07-2010