Patents
Patents for B01J 19 - Chemical, physical, or physico-chemical processes in general; Their relevant apparatus (77,270)
12/1991
12/14/1991CA2044337A1 Device and process for precipitating polymers
12/12/1991WO1991019020A2 Electrochemical synthesis and simultaneous purification process
12/12/1991WO1991018941A1 PROCESS AND APPARATUS FOR THE PREPARATION OF NYLON-6 FROM ε-CAPROLACTAM USING ULTRASOUND TREATMENT
12/12/1991DE4018232A1 Polymerisation control using flooded condenser - comprises controlling pressure and temp. controlled heat extraction from reactor using flooded and ventilated condenser
12/11/1991EP0460735A2 Process for producing dimethyl carbonate
12/11/1991EP0460726A1 Formation of potassium tantalate niobate thin films by metallorganic deposition
12/11/1991EP0460512A1 Membrane formed of crystalline molecular sieve material
12/11/1991EP0460230A1 Method and apparatus for treating exhaust gas by multi-stage irradiation with electron beam
12/11/1991EP0235268B1 Method and apparatus for reducing viscosity of high viscosity materials
12/11/1991CN2090490U Smoke-reducing fuel-saving magnetization filter
12/11/1991CN2090288U Column extractor with cellular-type grid regular packing
12/11/1991CN1056869A Process and device to improve performances and life, with corrosion reduction, in kettle type carbamate condensers in urea plants
12/10/1991US5072087 Process for heating materials by microwave energy
12/10/1991US5071634 Catalytic hydrogenation of anthraquinone derivatives
12/10/1991US5071516 Electrolytic oxidation and reduction
12/09/1991CA2043256A1 Electrochemical synthesis and simultaneous purification process
12/05/1991DE4112983A1 Biological filter for washing exhaust air from cattle sheds - where water flows downwards through media in tower in which air is drawn upwards by a fan
12/05/1991CA2042083A1 Formation of potassium tantalate niobate thin films by metalorganic deposition
12/04/1991EP0459642A1 Electrochemical ion exchange
12/04/1991CN2089871U Drum shape metal products with tetrafluoride liner
12/04/1991CN1056669A Process and apparatus for desalting of sea and obtaining of energy and materials contained in sea
12/03/1991US5070468 Plant fault diagnosis system
12/03/1991US5070197 Dry reactive processing
12/03/1991US5070160 Shearing force sufficient to keep viscous solution in polydisp ersive state
12/03/1991US5069885 Photodegradation of water pollutants such as chlorinated biphe nyls
12/03/1991US5069830 Non-welded support plate or bed limiter for packed towers and method of making same
12/03/1991US5069794 Semipermeability
12/03/1991US5069423 Valve for clean chemical reactor
12/03/1991CA1292606C Continuous flow reactor for sequencing peptide sequenators
12/01/1991WO1991018662A1 Air purifying system
12/01/1991CA2083967A1 Air purifying system
11/1991
11/28/1991WO1991018411A1 Method of controlling an electron beam in an electron accelerator and an electron accelerator
11/28/1991WO1991018124A1 A process and an apparatus for the surface treatment of powder particles
11/27/1991EP0458472A1 Catalytic distillation structure
11/27/1991EP0458149A1 Heat exchanger in an HF alkylation process
11/27/1991EP0458110A1 Process for continuous reaction of cyanuric fluoride with amines.
11/27/1991EP0457994A1 Gas-electroburner with electrical power supply and ignition aid
11/27/1991CN1056572A Heat exchanger in hf alkylation process
11/27/1991CA2042751A1 Electrochemical ion exchange
11/26/1991US5068406 Forming carboxylic acids by oxidation of alkylaromatics
11/26/1991US5068086 Method and apparatus for batch fixating tissue specimens
11/26/1991US5068020 Forming smooth films; using ions of inert gases
11/26/1991US5067970 Asymmetric polyimide membranes
11/26/1991CA1292425C Plastic fill sheet for water cooling tower with air guiding sheet spacers
11/26/1991CA1292424C Structured "wv" packing elements
11/22/1991CA2040585A1 Catalytic distillation structure
11/22/1991CA2017297A1 Refractory linings capable of resisting sodium and sodium salts
11/21/1991EP0457643A1 Process for the thermal conversion of methane and reactor to be used therefor
11/21/1991EP0457352A1 Reactor with internal heat exchange and with a solid catalyst
11/21/1991EP0456797A1 Process for treating gases.
11/20/1991CN2089138U Combustible gas pollution reducting energy saver
11/20/1991CN2089083U Strong magnetic apparatus for preventing electric submerged pump from scaling
11/20/1991CN1056264A Filler of washing ceramic ring
11/20/1991CN1056263A Polyphase reactor with big boundary area
11/19/1991US5066843 Heat resistant and light weight container for materials to be ashed, and process for manufacture thereof
11/19/1991US5066137 Steam injection and mixing apparatus
11/19/1991US5065680 Method and apparatus for making solid waste material environmentally safe using heat
11/19/1991CA1292170C Element having a porous wall
11/18/1991CA2042881A1 Methane dynamic conversion process and reactor used for the process
11/16/1991WO1991017823A1 Method and apparatus for biopolymer synthesis
11/14/1991WO1991017561A1 Apparatus for-plasma treatment of continuous material
11/14/1991WO1991017420A1 Metering device with radially arranged valves
11/14/1991WO1991017122A1 Filling body, in particular for biological bodies in waste water purification plants, cooling towers and the like
11/14/1991WO1991016970A1 Mixer assembly, catalyst assembly and use of said catalyst assembly
11/14/1991DE4014602A1 Dosiervorrichtung mit radialer anordnung von ventilen Dosing with radial arrangement of valves
11/13/1991EP0456143A2 Asymmetric polyimide mebranes
11/13/1991EP0455773A1 Cold oxidation in gaseous phase
11/13/1991CN1014713B Process for continuous producting acrylic polymer gel
11/13/1991CN1014679B Method to substitute silver in the alkali evaporator
11/12/1991US5065336 On-line determination of polymer properties in a continuous polymerization reactor
11/12/1991US5064679 Plasma treatment method
11/12/1991US5064506 Packed column with built-in temperature measuring points
11/12/1991US5064474 Process for removing fine particles from articles of fluorine-containing resin
11/11/1991CA2040949A1 Removal of residual acid from chlorinated polymers
11/07/1991DE4014363A1 UV polymerisation appts. having light guide arrangement - has tube of plastics material contg. aq. soln. of di:potassium hydrogen phosphate, sodium di:hydrogen phosphate, or tri:potassium phosphate
11/06/1991EP0455532A1 Cooling process in a process utilizing anhydrons fluorhydric acid
11/06/1991EP0455513A2 Improved microwave heating system
11/06/1991EP0455378A1 Process vessels
11/06/1991EP0455243A2 Draft tube, direct contact crystallizer
11/06/1991EP0454986A2 Liquid level control in gas-liquid mixing operations
11/06/1991EP0454763A1 Polysaccharide resolving gels and gel systems for stacking electrophoresis.
11/06/1991CN1014606B Continuous preparation method of monoisocyanate or polyisocyanate
11/05/1991US5063043 Monolithic fixed bed hydrogenation catalyst
11/05/1991US5063030 Oxidation
11/05/1991US5063000 Packing elements
11/05/1991CA2041757A1 Microwave heating system
11/04/1991CA2041751A1 Process vessels
11/04/1991CA2041690A1 Cooling process associated with a process using anhydric hydrofluoric acid
10/1991
10/31/1991WO1991016285A1 Turbulent flow process and monoalkyl aromatic production
10/31/1991CA2038658A1 Liquid level control in gas-liquid mixing operations
10/30/1991EP0454179A1 Tower packing grid
10/30/1991EP0454140A1 Broad liquid level gas-liquid mixing operations
10/30/1991EP0453520A1 Quartz integrated trough/sump recirculating filtered high-purity chemical bath.
10/30/1991EP0437480A4 Method and apparatus for continuous chemical reactions
10/30/1991EP0365668B1 Device for carrying out a sequence of chemical reactions
10/30/1991CN1055676A Vapour diffusers for process columns
10/29/1991US5061741 Method for preparing an oil-in-water type uniform dispersion of liquid droplets and polymerization method for preparing polymer beads of uniform particle size
10/29/1991US5061635 Protein or peptide sequencing method
10/29/1991US5061462 Apparatus for producing a streamer corona
10/29/1991US5061444 Manufacture of semiconductors and integrated circuits