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Huber; Gerhard
Kelkheim, DE
No. of patents:

Patent Number Title Of Patent Date Issued
4737583 Anthracyclin derivatives April 12, 1988
The present invention relates to anthracyclin derivatives of the formula I ##STR1## in which R.sub.1 and R.sub.2 are identical or different and represent the sugar residue Roa (L--rhodosamine) of the formula ##STR2## or the sugar combination Roa--dF.dbd.CinB (dF=2-deoxy-L-fucose;
4713371 Anthracycline derivatives and their use as cytostatics December 15, 1987
The present invention relates to the micro-organism Streptomyces purpurascens (DSM 2658), its mutants and variants, a process for the preparation of anthracycline derivatives by fermentation of these cultures and to the anthracycline derivatives themselves. The new compounds are dist
4529545 Isolation of chemically unstable antibiotics from fermentation solutions July 16, 1985
A method for isolating a chemically unstable carbapenem antibiotic from a fermentation solution by adsorbing the antibiotic on an ion exchanger resin at the maximum of product formation, thus converting it to a stabilized form, and then separating the resin from the fermentation solu
4448880 Detection of .beta.-lactamase utilizing a chromophoric cephalosporin composition May 15, 1984
A chromophoric cephalosporin composition having the formula ##STR1## is utilized for the detection of .beta.-lactamases. Detection of .beta.-lactomases can be carried out by diluting the compound in solution or by a test strip carrier.
4353824 Chromophoric cephalosporins October 12, 1982
What are disclosed are cephalosporins of the formula ##STR1## processes for the manufacture of said cephalosporins, preparations containing same for the detection of .beta.-lactamases, a process for making said preparations, and the use of said cephalosporins for the detection of
4204058 Process for obtaining cephalosporin C and the salts and derivatives thereof from culture filtrat May 20, 1980
A novel process for obtaining cephalosporin C and the salts and derivatives thereof from culture filtrates or culture solutions is provided which comprises drying the culture filtrate or culture solution, dissolving it in an optionally water-containing solvent different from water, and(a

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