Class / Patent application number | Description | Number of patent applications / Date published |
544066000 | Plural nitrogens in the six-membered hetero ring | 10 |
20080306259 | HYDROXYLATION OF BETA-DICARBONYLS WITH ZIRCONIUM CATALYSTS - The present invention pertains to a process for preparing a compound of Formula I that is achiral, racemic or enantiomerically enriched at the hydroxylation center indicated by * | 12-11-2008 |
20110178293 | Novel Oxazolidinone Derivatives with Cyclic Amidoxime or Cyclic Amidrazone and Pharmaceutical Compositions Thereof - Disclosed is a novel oxazolidinone derivative, particularly a novel oxazolidinone compound with a cyclic amidoxime or cyclic amidrazone group. Also disclosed is a pharmaceutical antibiotic composition including a novel oxazolidinone derivative, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof or a pharmaceutically acceptable salt thereof as an effective ingredient. Because the novel oxazolidinone derivative, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof or a pharmaceutically acceptable salt thereof exhibits a wide antibacterial spectrum against resistant bacteria, a low toxicity, and a strong antibacterial activity against Gram-positive and Gram-negative bacteria, it can be usefully used as an antibiotic. | 07-21-2011 |
20110275802 | METHOD FOR MODIFYING DIISOCYANATES - The present invention relates to a process for modifying diisocyanates for preparing polyisocyanates, where the diisocyanate is reacted using a catalyst, wherein the diisocyanate used is obtained by quenching a gaseous reaction mixture in the phosgenation of diamines in the gas phase, wherein the gaseous reaction mixture comprises at least a diisocyanate, phosgene and hydrogen chloride, wherein a quenching liquid is sprayed into the gas mixture which flows continuously from a reaction zone into a downstream quenching zone, and wherein the quenching liquid is sprayed in by at least two spray nozzles which are arranged at the inlet of the quenching zone at equal intervals along the circumference of the quenching zone. | 11-10-2011 |
20120108808 | METHOD FOR PREPARING (S)-5-CHLORO-N-((3-(4-(5,6-DIHYDRO-4H-1,2,4-OXADIAZIN-3-YL)PHENYL)-2-OXOO- XAZOLIDIN-5-YL)METHYL)THIOPHENE-2-CARBOXAMIDE DERIVATIVES - Provided is a method for preparing (S)-5-chloro-N-((3-(4-(5,6-dihydro-4H-1,2,4-oxadiazin-3-yl)phenyl)-2-oxooxazolidin-5-yl)methyl)thiophene-2-carboxamide derivatives of Formula (I) which are useful as blood coagulation factor Xa inhibitors, and said method using 1-fluoro-4-nitrobenzen as a starting material. According to the method of the present invention, (S)-5-chloro-N-((3-(4-(5,6-dihydro-4H-1,2,4-oxadiazin-3-yl)phenyl)-2-oxooxazolidin-5-yl)methyl)thiophene-2-carboxamide derivatives of Formula (I) which are useful as blood coagulation factor Xa inhibitors can be prepared in a high purity and a high yield. | 05-03-2012 |
20140275525 | METHOD FOR PRODUCING POLYISOCYANATES AND USE THEREOF - The invention relates to a method for modifying isocyanates using catalysts having a water content not exceeding 1,000 ppm. | 09-18-2014 |
20160046756 | PROCESS FOR PREPARING POLYISOCYANATES AND CATALYST KIT THEREFOR - The application relates to a catalyst kit comprising a trimerisation catalyst for the asymmetric trimerisation of polyisocyanates and a catalyst poison for the trimerisation catalyst, which is characterised in that the trimerisation catalyst and the catalyst poison each have a water content of at most 0.5 wt %. The application furthermore relates to the use of the catalyst kit for the preparation of polyisocyanates containing iminooxadiazinedione groups by oligomerisation of monomeric di- and/or triisocyanates and a process for the preparation of polyisocyanates containing iminooxadiazinedione groups. | 02-18-2016 |
544067000 | 1,3,5-oxadiazines | 3 |
20100274006 | Clathrate compound, method for controlling concentration of aqueous agricultural chemical active ingredient solution, and agricultural chemical formulation - A clathrate compound containing a polymolecular host compound as a host compound and an agricultural chemical active ingredient having a saturated solubility in water at 25° C. of not less than 500 ppm as a guest compound. | 10-28-2010 |
20140343280 | PROCESS FOR CONTINUOUS ISOCYANATE MODIFICATION - A process for continuous preparation of oligomeric or polymeric isocyanates by catalytic modification of monomeric di- and/or triisocyanates, characterized in that at least one isocyanate component A and at least one catalyst component B are combined continuously in a reaction apparatus and conducted through the reaction apparatus as a reaction mixture, the residence time distribution being characterized according to the dispersion model by Bo (Bodenstein number) above 40, preferably above 60 and most preferably above 80. | 11-20-2014 |
20160145221 | METHOD FOR PRODUCING POLYISOCYANATES COMPRISING IMINOOXADIAZINEDIONE GROUPS AND USE OF THESE - The present invention relates to a method for producing polyisocyanates comprising iminooxadiazinedione groups, wherein at least one monomeric di- and/or tri-isocyanate is oligomerised in the presence of a) at least one catalyst, b) at least one additive (A) having a relative permittivity at 18° C. to 30° C. of less than 4.0, c) optionally further additives other than A. The invention relates further to a reaction system for producing polyisocyanates comprising iminooxadiazinedione groups, and to the use of an additive (A) having a relative permittivity at 18° C. to 30° C. of less than 4.0 for producing polyisocyanates comprising iminooxadiazinedione groups by catalysed modification of monomeric di- and/or tri-isocyanates. | 05-26-2016 |
544068000 | Oxygen bonded directly to the six-membered hetero ring | 1 |
20160168308 | METHOD FOR PRODUCING POLYISOCYANATES AND USE OF SAID POLYISOCYANATES | 06-16-2016 |