Basf Aktiengesellschaft

Joachim Meyer

Bernhard Hauer

Wolfgang Ladner

Uwe Pressler

Horst Ralf Staudenmaier

Ursula Mueller

Johannes Grimmer

Christoph Martin

Joachim Paust

Hardo Siegel

Udo Rheude

Hans Kiefer

Manfred Eggersdorfer

Jong Soo Choi

Michael John

Paul Grafen

Thomas Geiger

Bryan Cooper

Angelika-Maria Pfeiffer

Tillmann Faust

Erik Luddecke

Helmut Seifert

Wolfgang Buehler

Ulrich Eidelsburger

Rainer Roemer

Klaus Euler

Sung Hyeon Kim

Tae Hui Kim

Gunter Eipper

Georg Wellinghoff

Walter Gosele

Axel Griebel

Yun Su Du

Ulrich Broeckel

Ulrich Traegner-Duehr

Rainer Lowack

The invention relates to a feedstuff or premix comprising lysine base dry powder, where the free lysine base content of the dry matter is more than 70% by weight, and to a process for producing lysine base dry powder and its use.

Process for the production and use of lysine base dry powders

A process for preparing 4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketones of the general formula I, in particular of the (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone of the formula Ia ##STR1## which is required for preparing the red dye capsorubin which is in demand, starts from 2,2,6-trimethylcyclohexanones of the general formula II ##STR2## where R is hydrogen or a protective group, via the novel intermediates of the general formulae V and VI ##STR3## by diastereoselective epoxidation and reaction of the resulting 7-oxabicyclo[4.1.0]heptanes of the general formula VIII ##STR4## with Lewis acids and, where appropriate, removal of the protective group. Also claimed are the novel intermediates of the formula V and their (1S) and (1R) isomers and those of the formula VIII as well as their (1R,3S,6S), (1S,3S,6R) and (1R,3R,6S) isomers.

Preparation of (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl

The present invention relates to a novel process for the preparation, by fermentation, of compounds of the formula I ##STR1## where R.sup.1 is hydrogen, fluorine, chlorine or bromine.

Fermentative preparation of 2,5-dihydroxyphenylacetic acid with Beauveria

A process for hydroxylating compounds of the formula ##STR1## where n, A and R.sup.1 to R.sup.4 have the meanings stated in the description, with the aid of microorganisms of the genus Beauveria.

Process for the hydroxylation of aromatic acids using strains of the

Liquid, oil-miscible carotenoid preparations which, as double dispersion systems, comprise an aqueous-disperse phase which has a particle diameter of less than 100 .mu.m and in which particles, stabilized by protective colloid, of one or more carotenoids are present in disperse form, in an oil as a dispersion medium.

Liquid, oil-miscible carotenoid preparations

2-hydroxyphenylacetic acid is prepared from phenylacetic acid by fermentation with suitable microorganisms.

Preparation of 2-hydroxyphenylacetic acid by fermentation

The invention relates to a novel process for preparing 3-hydroxyphenylacetic acid by cultivating a fungus of the genus Rhizoctonia, Ceratobasidium and Pellicularia in the presence of a phenyl compound of the formula I ##STR1## where X is COOR, CH.sub.2 OH, CH.sub.2 NH.sub.2 or ##STR2## R is methyl, ethyl, hydrogen, sodium, potassium or ammonium.

Preparation of 3-hydroxyphenylacetic acid

A process for preparing .alpha.-tocopherol or tocopheryl acetate by cyclocondensation of trimethylhydroquinone with phytol or isophytol in the presence of an acid catalyst and of a solvent and, where appropriate, subsequent acetylation, which comprises carrying out the cyclocondensation and, where appropriate, the subsequent acetylation in liquid or supercritical carbon dioxide as solvent.

Preparation of alpha-tocopherol and alpha-tocopheryl acetate in liquid

A strain of Bacillus subtilis which is a tryptophan auxotroph, resistant to sulfaguanidine and flourotryptophan and produces anthranilic acid in a nutrient solution containing L-tryptophan, and process for the preparation of anthranilic acid by fermentation.

Production of anthranilic acid by a strain of Bacillus subtillis

A process for exploiting plastic wastes arising in the production or further processing or after use of the plastic, by, in a sewage treatment plant, comminuting the plastic wastes then mixing them with a sewage sludge to which organic flocculants are added with or without the addition of further amounts of finely divided coal and/or ash, if appropriate, modifying the surface properties of the plastic with binders in such a way that it binds better into the sludge, filtering the pretreated sludge mixture, where the plastic can assume the properties of a filtration aid, i.e. the filtering residue is reduced, incinerating the resulting filter cake, where the plastic assumes the function of an additional energy source and depositing the ash for example in a sanitary landfill or exploiting it.

Exploitation of plastic wastes

Riboflavin is removed from fermentation suspensions by them being heated at from 50.degree. to 90.degree. C. for from 1 to 3 hours, than cooled to from 0.degree. to 30.degree. C. over a period of from 1 to 5 hours, and subsequently being centrifuged to give a sediment fraction and liquid fraction in such a way that the sediment fraction contains predominantly riboflavin crystals as solid, and the liquid fraction contains virtually no crystalline riboflavin, and, where appropriate, resuspending the sediment fraction in from 0.5 to 2 parts by volume of water per part by volume of sediment fraction and repeating procedure c.

Removal of riboflavin from fermentation suspensions

Riboflavin produced by a microbial method is prepared in the form of free-flowing, non-dusting, spray-dried granules or microgranules as a feed additive by removing water from the mixture discharged from microbial fermentation for the preparation of riboflavin, wherein the mixture is subjected to

Preparation of riboflavin, produced by a microbial method, in the form

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Maxdorf, Germany

Joachim Meyer