| Patent Number |
Title Of Patent |
Date Issued |
| 6901742 |
Method for detecting the state of a catalytic converter system |
June 7, 2005 |
| A process for detecting a state of a catalyst system installed in an exhaust gas channel of an internal combustion engine of a motor vehicle, through which catalyst system exhaust gas from the internal combustion engine flows so that the exhaust gas can be purified, the process inclu |
| 6841074 |
Method and apparatus of purifying an electrolyte |
January 11, 2005 |
| A method of purifying an electrolyte by bringing the electrolyte into contact with a first effective surface of a separating unit that is permeable to contaminants to be removed from the electrolyte, and bringing a purifying liquid into contact with a second effective surface of the |
| 6638918 |
Chitosan compositions |
October 28, 2003 |
| Compositions comprising chitosan in the form of a network of nano-sized fibres. There is also provided a process for making such compositions. The compositions have improved solubility and activity. The compositions are useful in hair care, skin care, odour control, wound care, blood |
| 6400311 |
Radar rangefinder |
June 4, 2002 |
| The inventive radar rangefinder has a transmitting/receiving antenna (22) for surveying a danger area. Said antenna is located in a radome housing (12), on a rotatable platform (18). A reflector is placed at a known distance in order to calibrate the device. This reflector is formed by a |
| 5830418 |
Method of using ultrasound to promote crystallization of solid substances contained in a flowabl |
November 3, 1998 |
| A flowable material, such as a supercooled melt or supersaturated solution, is dispensed onto a take-up member such as a belt or drum. Either prior to, or after being dispensed onto the take-up member, the material is exposed to ultrasound to promote the crystallization of solid substanc |
| 5810892 |
Method and apparatus for purifying chemical substances |
September 22, 1998 |
| After being subjected to a melt crystallization operation, a crystal-containing melt is formed into particles of the same size and shape and then conducted in counter-flow relationship to washing liquid in a washing column. The crystal-containing melt can be formed into particles by |
| 5725608 |
Process and apparatus for material separation by crystallization from the melt |
March 10, 1998 |
| Crystallization of a melt is induced by causing the melt to flow downwardly in a gap which is defined by upwardly moving cooled walls so that crystallate adheres to the walls and is carried upwardly for recovery. The walls are formed by endless belts which are cooled by fluid sprayed fro |
| 5593501 |
Device for coating small solid bodies |
January 14, 1997 |
| A device is disclosed for improved coating of small solid particles with a melt of a material which solidifies at room temperature. The device includes a rotatable turbine body and conduits for supplying solid particles and molten material to the rotatable turbine body. The turbine b |
| 5593500 |
Device for coating solid particles |
January 14, 1997 |
| A device is disclosed for improved coating of small solid particles with a melt of a material which solidifies at room temperature. The device includes a rotatable turbine body having two rotatable disk parts. An annular gap is provided between the rotatable disk parts which allows the |
| 5591458 |
Apparatus for manufacturing granulated material |
January 7, 1997 |
| A mechanism for making granulated material from a viscous substance includes a vessel charged with the substance and having a discharge opening arrangement for discharging the substance onto a cooling surface. A belt travels across the vessel, the belt having openings arranged to per |
| 5569315 |
Process and device for cleaning the waste air of systems for the solidification of melts |
October 29, 1996 |
| A melt is converted into pieces by being converted to individual quantities that are dropped onto a cooling surface. Disposed above the cooling surface is a hood having a suction outlet for conducting waste air to a cleaner. Disposed in the hood upstream of the suction outlet is an a |
| 5558821 |
Method and apparatus for purifying the exhaust air of installations for consolidating molten sub |
September 24, 1996 |
| A molten substance is consolidated by being deposited onto a cooling belt which conveys the substance through a space formed between the belt and an overhead hood. The formation of exhaust dust from the substance is minimized by controlling heaters in the hood to vary the temperature alo |
| 5447542 |
Process for separating and purifying substances by crystallization from the melt |
September 5, 1995 |
| In the process for separating and purifying substances by crystallization from the melt under pressure, the melt is subjected to pressure under an inert gas atmosphere and then cooled, whereupon it crystallizes. The residual melt is separated from the resulting crystals, after which the |
| 5447541 |
Process for separating and purifying substances by crystallization from the melt under high pres |
September 5, 1995 |
| Process for separating and purifying substances by crystallization from the melt under high pressuresIn the process for separating or purifying substances by crystallization from melts or highly concentrated solutions under high pressures, gas is dissolved in the melt to be crystallized |
| 5085840 |
Process for the reduction of nitrogen oxides contained in exhaust gases |
February 4, 1992 |
| A process for the reduction of nitrogen oxides in flue gases and engine exhaust gases is improved by contacting the gases with a zeolite catalyst containing oxides of the transition elements from Periods 4, 5 and 6 of the Periodic Table of Elements or oxides of the rare earths. In pa |
| 4946659 |
Process for the reduction of the nitrogen oxides in exhaust gases using a zeolite-containing cat |
August 7, 1990 |
| An improvement in the removal of nitrogen oxides from the exhaust gases of internal combustion engines is achieved by adding urea or a urea-containing reducing agent to the exhaust gases and contacting the gases under oxidizing conditions with a zeolite containing catalyst. |
| 4806255 |
Textile treatment compositions |
February 21, 1989 |
| Aqueous dispersions of certain amines, with Bronstedt acids having a pKa of at least 6, are stable and are useful as rinse-added fabric softeners. |
| 4767547 |
Biodegradable fabric softeners |
August 30, 1988 |
| Fabric softening compositions which are rapidly biodegradable and particularly shelf stable are disclosed. These compositions contain a specific quaternary ammonium, and are formulated in a narrowly defined pH range. |
| 4724089 |
Textile treatment compositions |
February 9, 1988 |
| Aqueous dispersions of certain amines, with Bronstedt acids having a pKa of at least 6, are stable and are useful as rinse-added fabric softeners. |
| 4716859 |
Process for treatment of liquids consisting primarily of methanol |
January 5, 1988 |
| Process for the treatment of liquids consisting mainly of methanol as fuels for mobile or stationary combustion engines or as hydrogen sources for fuel cells, which comprises passing the methanol mixture through a reaction chamber containing a noble metal supported catalyst for the c |
| 4661267 |
Fabric softener composition |
April 28, 1987 |
| Rinse-added fabric softening compositions containing a fabric softening active system at least 10% of which consists of certain di(higher alkyl) cyclic amines, and relatively low concentrations of polymeric soil release agents such as hydroxyether cellulosic polymers, copolymeric blocks |
| 4231720 |
Pump for fluid media having different temperatures |
November 4, 1980 |
| A pump for fluid media having different temperatures. The pump has two chambers for the two media, respectively, each chamber having an inlet and an outlet each provided with a respective check valve. The chambers are separated by a displacement body whose shape is a function of temperat |