PURPOSE:To allow a simple and easy change of electrode number by intermittently rotating a rotary table to supply successively and alternatively electrodes and separators from feeders mounted at the periphery of the table and to automatically stuck up the same until a predetermined numbers of electrodes and separators. CONSTITUTION:Electrode and separator feeders and a number detector, 2 to 8 are ...

PURPOSE:To recover a faulty circuit without discontinuing the working of a system, by performing the diagnosis and the initialization of the faulty circuit by means of another normal circuit. CONSTITUTION:Some seqience disturbance occurs between a CCU and a central processor while the comminicaion is carried out via a circuit l1, and the control of the circuit l1 is locked. In such case, the tranm...

PURPOSE:To increase the using efficiency of the memory without increasing particularly the number of the addresses for the correction data by delivering the reading data of the address corresponding to the correction data in case the data of the read only memory shows the presence of correction. CONSTITUTION:Read only memory 11 is provided along with marker memory 15 which receives the address de...

The invention relates to a new process for the manufacture of 7,16-dioxa-2-aza-10-0-cladinosyl-12-0-desosaminyl-4,5-dihydroxy-6-ethy l-3,5,9,11,13,15-hexamethyl-bicyclo[11.2.1]- hexadeca-1(2)-ene-8-one, a semisynthetic macrolide antibiotic of the erythromycin A series, by means of Beckmann rearrangement of erythromycin A oxime monohydrochloride or dihydrochloride with aromatic sulfochlorides of th...

A process for the separation and/or purification of oligo- and polyhydroxy compounds by introducing and subsequently eliminating protective groups, wherein oligo- and polyhydroxy compounds are reacted with bis(ethyl-pivaloyloxy)-diboroxane or ethylboroxine, optionally in inert solvents, the resulting O-ethylboranodiyl derivatives of the hydroxy compounds are separated off and the O-ethylboranodiyl...

Antibacterial and anti-coccidial agents (polyether antibiotics) designated LL-C23024 alpha , LL-C23024 beta and LL-C23024 iota, a novel microorganism Actinomadura yumaense sp. nov. and mutants thereof, and a novel process for the preparation of the same.

CHARNIERE POUR LA LIAISON DE PANNEAUX ARTICULES OU SIMILAIRES, COMPRENANT DEUX MACHOIRES APTES A RECEVOIR LES BORDS DES DEUX PANNEAUX A REUNIR.

CES MACHOIRES 1, 2 S'ARTICULENT AUTOUR DE DEUX AXES PARALLELES 6, 7 PORTES PAR UNE PIECE INTERMEDIAIRE 5 FORMANT NOEUD DE JONCTION. CHAQUE MACHOIRE COMPORTE UN ORGANE MOBILE 15 D'IMMOBILISATION SOUMIS A L'ACTION DE RESSORTS, ET QUI EST DISPOSE EN ...

Disclosed is a process for purifying Tylosin by selective adsorption of the fermentation broth previously brought to 7.5-10.0 pH on polymeric resins and by subsequent deadsorption of the purified product with a aqueous-alcoholic or aqueous-acetonic solution and further purification of the eluate by filtration through macroreticular weak anion resins.

Disclosed herein are a process for producing 4'-demethyl-epipodophyllotoxin- beta -D-ethylidene-glucoside of the formula (II) comprising (A) reacting 4'-halogenoacetyl-4'-demethyl-epipodophyllotoxin- beta -D-2,3-di-O-halogenoacetyl-4,6-O-ethylidene-glucoside of the formula (I) with an amine and/or ammonia, or (B) subjecting the acyl-derivative (I) to alcoholysis in the presence of a catalyst, ther...

A new acidic polycyclic ether antibiotic has the formula: +TR and can be prepared by the submerged aerobic propagation in aqueous nutrient media of Streptomyces halstedii ATCC 31812. The antibiotic and its cationic salts are active against a variety of microorganisms and are effective in controlling coccidiosis, enteritis, swine dysentery and theileriosis as well as being effecti...

Novel 3-O-acyl-4''-deoxydesmycosin derivatives of the formula wherein R1 is lower alkyl, phenyl, substituted phenyl, phenyl-lower alkyl or substituted phenyl-lower alkyl, R2 is hydrogen or -CHO and R3 is hydrogen or hydroxyl, or a non-toxic salt thereof, can be produced by acylating the hydroxyl group at position-3 of the corresponding intermediate while protecting the hydroxyl at positi...

A process for upgrading of Fischer-Tropsch hydrocarbon synthesis product which comprises separating said product with at least one of a light boiling fraction and/or heavy boiling fractions and contacting said fraction(s) with certain crystalline silicates to obtain an aromatic gasoline and/or a fuel oil having a lowered pour point.

PURPOSE:To obtain a polyolefin-metal laminate having excellent adhesive strength, corrosion resistance and warm water resistance, by coating a metal surface preheated at a specific temperature in advance with a specific epoxy resin composition and immediately thereafter applying a coating of polyolefin thereon. CONSTITUTION:A metal surface (e.g. Al or iron) preheated at a temperature of 150-250 de...

A preheated fuel-air mixture is subjected to the following sequential steps: it is ignited, the flame is scanned, the burning mixture is introduced onto the free upper level of a radiation substance charge which is then passed along first heat exchange surfaces, a glowing flameless combustion zone is produced in said charge; beyond said zone the combustion gases are passed along second heat exchan...

PURPOSE:To obtain the titled uniform large-sized joined section of the cable, by covering a joined part of conductors with molds having a specified film therein, injecting respectively a crosslinkable polyolefin insulator between the joined part and the film and a pressuring medium between the film and the molds, and heating them under pressure. CONSTITUTION:The cable conductor joined section 4 is...

PURPOSE:To obtain readily the titled uniform large-sized joined section, by covering a joined part of conductors with molds whose inner surfaces are plated with chronium and are coated with a fluorine plastic, injecting a PE insulator into the molds, heating and molding the insulator, cooling it, and removing it from the molds. CONSTITUTION:The conductor joined section 1 is surrounded by the molds...