Patent application number | Description | Published |
20090043135 | PROCESS FOR THE SEPARATION BY DISTILLATION OF DINITROTOLUENE FROM PROCESS FOR THE SEPARATION BY DISTILLATION OF DINITROTOLUENE FROM PROCESS FOR THE SEPARATION BY DISTILLATION OF DINITROTOLUENE FROM PROCESS WASTEWATER FROM THE PREPARATION OF DINITROTOLUENE BY NITRATION OF TOLUENE BY MEANS OF NITRATING ACID - A process is proposed for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating toluene with nitrating acid, which comprises
| 02-12-2009 |
20110224397 | PROCESS FOR PREPARING POLYOLS USING BASE CATALYSIS - The present invention relates to a process for preparing polyetherols in the presence of basic catalysts, wherein propylene oxide (PO) and/or ethylene oxide (EO) whose summated contents
| 09-15-2011 |
20120142960 | METHOD FOR PURIFYING MIXTURES COMPRISING 4,4'-METHYLENEDIPHENYL DIISOCYANATE - The invention relates to a method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate, which comprises purifying by distillation a mixture I comprising 4,4′-methylenediphenyl diisocyanate having a hydrolyzable chlorine content as specified in ASTM D4663-10 of greater than 100 ppm by means of a column K | 06-07-2012 |
20120215029 | PROCESS FOR PREPARING AROMATIC AMINES - A process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, forming a fluid, amine-comprising reaction mixture in a reactor, wherein chromatographic analysis of the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture. | 08-23-2012 |
20120234773 | ACIDIC SLUDGE ADSORPTION OF DNT WASTEWATERS - A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics, said alkaline process wastewater having a pH of 7.5 to 13, comprising the steps of
| 09-20-2012 |
20120248038 | ACID TOLUENE EXTRACTION OF DNT WASTEWATERS - A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics with a pH of 7.5 to 13 or a mixture W with a pH of 6 to 10 of alkaline process wastewater and the aqueous distillate of the sulfuric acid concentration, comprising the steps of
| 10-04-2012 |
Patent application number | Description | Published |
20080233558 | Inhibitors of viral entry screening method - In one aspect the invention relates to a method for identifying inhibitors or viral entry comprising providing an indicator cell wherein said cell expresses a reporter gene and wherein said cell is capable of supporting entry by an effector particle, providing a candidate inhibitor of viral entry, co-compartmentalizing said candidate inhibitor and said indicator cell, contacting said indicator cell with an effector particle, incubating to allow any effector particle entry to take place, and assaying said indicator cell for reporter gene activity, wherein detection of reporter gene activity identifies the candidate inhibitor as an inhibitor for viral entry. Preferably the effector particle is HIV, preferably the reporter gene is a CD | 09-25-2008 |
20090068170 | DROPLET-BASED SELECTION - The present invention generally relates to fluidic droplets, and techniques for screening or sorting such fluidic droplets. In some embodiments, the fluidic droplets may contain cells (e.g., hybridoma cells) that can secrete various species, such as antibodies, for example. In one aspect, a plurality of fluidic droplets containing cells is screened to determine proteins, antibodies, polypeptides, peptides, nucleic acids, or the like. For example, cells able to secrete species such as antibodies may be selected according to certain embodiments of the invention. Examples of such cells include, for instance, immortal cells such as hybridomas, or non-immortal cells such as B-cells. For instance, blood cells may be encapsulated within a plurality of fluidic droplets, and the cells able to produce antibodies may be determined. In some cases, expression or secretion levels may be determined using signaling entities, for example, determinable microparticles present within the fluidic droplet. Other aspects of the invention relate to kits involving such fluidic droplets, methods of promoting the making or use of such fluidic droplets, and the like. | 03-12-2009 |
20120015382 | DROPLET-BASED SELECTION - The present invention generally relates to fluidic droplets, and techniques for screening or sorting such fluidic droplets. In some embodiments, the fluidic droplets may contain cells (e.g., hybridoma cells) that can secrete various species, such as antibodies, for example. In one aspect, a plurality of fluidic droplets containing cells is screened to determine proteins, antibodies, polypeptides, peptides, nucleic acids, or the like. For example, cells able to secrete species such as antibodies may be selected according to certain embodiments of the invention. Examples of such cells include, for instance, immortal cells such as hybridomas, or non-immortal cells such as B-cells. For instance, blood cells may be encapsulated within a plurality of fluidic droplets, and the cells able to produce antibodies may be determined. In some cases, expression or secretion levels may be determined using signaling entities, for example, determinable microparticles present within the fluidic droplet. Other aspects of the invention relate to kits involving such fluidic droplets, methods of promoting the making or use of such fluidic droplets, and the like. | 01-19-2012 |
20130072404 | APPARATUS AND PROCESSES FOR GENERATING VARIABLE CONCENTRATION OF SOLUTES IN MICRODROPLETS - The present invention relates to systems and methods for generating microdroplets with varying concentrations of a particular solute from a solution at fixed concentration. | 03-21-2013 |
Patent application number | Description | Published |
20080255579 | Implantation Tool for Intraocular Lenses - The object of the invention is to permit a smooth advance movement of intraocular lenses ( | 10-16-2008 |
20090266681 | Scapers for Link Chains of Scraper Chain Conveyors and Scraper-Securing Element Thereof - The invention relates to scrapers for link chains of in particular double center scraper chain conveyors, comprising a one-part scraper body with a head web connecting two lateral scraper wings and at least one insertion pocket for insertion of a horizontal chain link of the link chain and securing scraper by means of a detachable scraper-securing element. In order to improve the entrainment of scrapers connected to the horizontal chain links and to be able to use the scrapers even with novel link chains, grooves extend in insides of scraper wings and outsides of an intermediate web over the height of limb beds up to head web and form receivers for entrainment projections on the outer surfaces of limbs of horizontal chain links. The invention also relates to scraper-securing element. | 10-29-2009 |
20090272632 | Link Chain for Chain Conveyors and Chain Wheel Thereof - The invention relates to a link chain for scraper chain conveyors with vertical chain links which are interlinked in an articulated manner and horizontal chain links, wherein vertical chain links have around the full circumference a constant cross-sectional profile provided on the outside with a flat section and on the inside with a circular arc and horizontal chain links have front sections which have a straight front zone, wherein longitudinal limbs, which connect front sections, of horizontal chain links are provided on their outer faces with a recess. In order to improve the running characteristics of link chain in the event of low surface pressures between chain wheel and horizontal chain links, horizontal chain links have, on both sides in recesses, entrainment means for positive-locking entrainment of scrapers which can be connected to horizontal chain links and/or cross-sectional profile of the vertical chain links is in each case provided with a bevel at the transition of the flat section into the circular arc. The invention also relates to a chain wheel which is suitable for this chain. | 11-05-2009 |
20100016107 | SPROCKET FOR CHAIN DRIVES - The invention relates to a sprocket for chain drives, with an axis of rotation and with two groups, arranged next to and offset with respect to one another on the circumference of the sprocket, of pockets for chain links passing the sprocket in an oblique position. Each pocket is delimited laterally by a side wall and an opposite wall and, in the circumferential direction, by webs. In order that a sprocket for chain links running in obliquely can be produced more simply and to provide a better distribution of forces, according to the invention the side wall and the opposite wall of a pocket form for the chain links bearing surfaces which run obliquely with respect to the axis of rotation and which extend as far as a bottom of the pockets. | 01-21-2010 |
20110024268 | EXTRACTION DEVICE, PARTICULARLY FOR MINING, AND METHOD FOR CONTROLLING THE EXTRACTION DEVICE - An extraction device, particularly for mining, having two drive stations and a drive chain which extends between the sprockets thereof. So that hanging chain or chain wear to a conveyor chain, in the case of a conveyor device, or to a plow chain, in the case of a plow device, can be detected, magnetic sensor units for detecting at least one chain condition of the drive chain are provided, wherein each sensor unit includes a transmitter, which is formed by a static or dynamic magnetic field generator, and a detector field, which is provided with a plurality of magnetic field detectors, as a detector, the detector and the transmitter being arranged to the side of a passage for the run of the drive chain that is to be scanned. The invention also relates to a method for controlling an extraction device for preventing hanging chain. | 02-03-2011 |
20110127146 | LINK CHAIN FOR CHAIN CONVEYORS AND HORIZONTAL CHAIN LINKS THEREFOR - A link chain or a chain link for scraper chain conveyors with vertical and horizontal chain links which are interlinked in an articulated manner for scraper chain conveyors for use in mining. In particular to horizontal chain links with front sections with a straight face zone and with longitudinal limbs, which connect the front sections around an oval inner opening and which are provided on their outer surfaces with a recess, wherein the rear sides of front sections delimiting the inner opening form a contact zone for circular arcs of vertical chain links. In order to improve the service life of the link chain, the rear sides, which face oval inner opening, of front sections are provided with a surface which has a hollow, which forms a central region of the contact zone, between a fillet cambered in a crowned manner. | 06-02-2011 |
20120065012 | CHAIN DRIVE OR RETURN ARRANGEMENT AND CHAIN ASSEMBLY AND SPROCKET EMPLOYED THEREIN - Chain return arrangement and sprocket and chain assembly employed therein with the bow flanks of the horizontal chain links ( | 03-15-2012 |
20130109520 | SPROCKET FOR CHAIN DRIVES | 05-02-2013 |