Matches 351 - 400 out of 534 < 1 2 3 4 5 6 7 8 9 10 11 >
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5037882 Synthesis of oligonucleotide analogs  
A novel polymeric support is provided for carrying out the synthesis of oligonucleotide analogs via solid-phase synthesis techniques. The suitably-shaped polymeric disc, wafer, etc., of the...
5034195 Apparatus for gas phase polymerization of olefins in vertically stacked reactors  
A method and apparatus are disclosed for producing polyolefins by a fluidized gas phase polymerization process utilizing two stacked, substantially vertically aligned, reactors and a substantially...
5026773 Apparatus for a solid phase synthesis of peptide analogs  
A novel polymeric disc, wafer or similarly shaped resin for carrying out the synthesis of peptide analogs via solid phase peptide synthesis techniques is provided. The polymeric disc or wafer of...
5019348 Automated chemical conversion unit in a peptide/protein sequenator  
An automated chemical conversion unit for use in a peptide/protein sequencing process. The improved conversion methodology decreases the time necessary for the conversion reaction chemistry of the...
5006233 Water purification system  
Apparatus for purifying rinse water used to remove excess resin from articles which have been impregnated with a sealant material. The impregnating resin is customarily a curable composition...
4999166 Furnace for firing wire-like products  
A furnace for firing an enamelled wire comprising a principal chamber, an auxiliary unit for the aspiration of a first stream of air and solvent vapours from this principal chamber and combustion...
4996026 Separation system and reducing the emission of solids in pressure relief processes in high pressure polymerization reactors  
In a separation system (1 to 11) for tube reactors or autoclaves, which are used for the polymerization of ethylene or copolymerization of ethylene with ethylenically unsaturated comonomers in the...
4959148 Method and apparatus for specific affinity enhanced transport bioreactor  
A method and apparatus for removing and/or modifying specific target substances in the blood is disclosed. The invention includes a column or chamber in which selected bioreactant molecules are...
4957708 Process and apparatus for forming polymeric solutions  
There is disclosed an apparatus for forming hydrophilic polymeric solutions wherein a vessel is provided with a mixing assembly comprised of co-axially and vertically-disposed inner and outer...
4957709 Reactor system for olefin conversion and etherification  
An integrated reactor system for conversion of C 2 + normal olefins into tertiary-alkyl ethers and high octane gasoline. The system combines unit operations for olefins interconversion with...
4933149 Fluidized bed polymerization reactors  
A fluidized bed reactor and operating process is disclosed, the reactor including a distributor plate to provide distribution of fluid passing upwardly into a fluidized bed; a mixing chamber...
4921919 Method and apparatus for minimizing polymer agglomerate or lump formation in a gas-phase polypropylene polymerization reactor  
The process and the system are used for carrying out the quench-cooled, vapor-phase polymerization of olefin monomer in a horizontally disposed reactor vessel which comprises contacting olefin...
4917502 Nozzle for the mixing of at least two flowable reaction components and process for operating such nozzle  
The invention relates to a nozzle for mixing at least two flowable (and in particular foam-forming) reaction components comprising a housing; component supply pipes leading into the housing; a...
4898714 Mixing apparatus  
An impingement mixing device is provided comprising a mixing chamber housing, a control piston axially displaceable with said mixing chamber housing between an extended position and a retracted...
4897245 Catalytic reactor system for conversion of light olefin to heavier hydrocarbons with sorption recovery of unreacted olefin vapor  
In the conversion of light olefins to heavier hydrocarbons, an improved recovery technique is provided for selectively removing unreacted light olefins from a catalytic reactor effluent. This...
4893999 Apparatus for the continuous production of polymers and copolymers of water-soluble monomers  
The present invention relates to an apparatus for the continuous production of polymers and copolymers of water-soluble monomers particularly acrylic acid and/or methacrylic acid, optionally with...
4882127 Device for solid phase sequencing of nucleic acid fragments  
A device for solid phase sequencing of nucleic acid segments comprises a plurality of sequencing blocks for storaging and processing n nucleic acid fragments immobilized on carrier segments or in...
4880885 Polymerization reactor provided with coating that suppresses polymer deposit formation  
In a process of polymerizing ethylenically unsaturated compounds by polymerization of ethylenically unsaturated monomers in the presence of a free radical-forming initiator system and customary...
4876071 Mixing apparatus for synthetic resin with multiple resin components  
A mixing apparatus having a mixing chamber which has inlet ports of resin components to be mixed and an outlet port of a mixture thus obtained, comprising a flow varying member which moves across...
4867936 Process for producing high strength polyester yarn for improved fatigue resistance  
High strength polyester multifilament yarn of improved dimensional stability, which has the proper combination of an intrinsic viscosity of at least 0.90, relatively low work loss and a high degree...
4848387 Method and apparatus for segregated introduction of two liquids into a chemical reactor vessel at a common entry point  
Two liquid comonomers are fed into a catalytic reactor through two separate concentric flow courses having pass through in a Tee-fitting connected to the reactor by a nipple. The two flow courses...
4834947 Reactor system for rapid kill gas injection to gas phase polymerization reactors  
There is provided an improvement in a method for terminating a gas phase olefin polymerization reaction with a kill gas such as carbon monoxide or carbon dioxide. The improvement involves the use...
4831204 Production of gasoline from light olefins with FCC gas plant improvement by olefin upgrading  
A continuous technique for upgrading light olefinic crackate gas from hydrocarbon cracking comprising methods and means for: (a) compressing and cooling a first portion of the light crackate gas to...
4804725 Reduction of the emission of hydrocarbons in pressure-reduction processes in high pressure polymerization reactors  
The pressure in a continuous high pressure polymerization system, in which ethylene, with or without comonomers, is polymerized under high pressures and temperatures and the unconverted amounts of...
4775629 Apparatus for processing fluids  
A cartridge is formed of two parts which form an outlet valve at the lower end. The valve is opened or closed by relative rotation of the parts.
4774059 Apparatus for the feeding of liquid synthetic resin components  
A mixing head is supplied with two or more synthetic resin components from respective supply vessels. When one of these components is highly filled and an obstruction may be expected upstream of...
4748002 Semi-automatic, solid-phase peptide multi-synthesizer and process for the production of synthetic peptides by the use of the multi-synthesizer  
A semi-automatic, solid phase peptide multi-synthesizer is characterized in that it is principally constituted by chemical reactors (2), connected to volumetric solvent proportioners (1) disposed...
4745771 Apparatus and method for cryopreparing biological tissue for ultrastructural analysis  
This invention relates to sample holder for the cryopreparation of biological tissue samples for ultrastructural analysis. The use of the apparatus comprises vitrifying a biological tissue sample...
4745163 Catalytic film polymerization of acetylene  
An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit...
4743430 I C engine powered portable foam generator  
A portable foam generator is provided for admixing air under pressure with a foamable liquid under pressure in order to foam the liquid and the foamed liquid is supplied to a spray nozzle for spray...
4735779 Method for testing the viscosity of synthetic resins and apparatus for the implementation of the method  
An apparatus which includes a reaction vessel from which is tapped a sample of synthetic resin by a tap line, a feed pump in the tap line delivers the synthetic resin to a mixer, a heat exchanger...
4731227 Polymerization process and apparatus  
A polymerization process and reactor utilizes a high power shock producing device for introducing high energy pulses shock waves to a body of constituent monomer molecules for breaking and making...
4724126 Internally coated reaction vessel for use in olefinic polymerization  
This invention relates to a polymerization reaction vessel having a coating on the inner surfaces thereof resulting from applying thereto an aqueous coating composition containing an unneutralized...
4719089 Internally coated reaction vessel for use in olefinic polymerization  
A method of preventing or retarding polymer build-up on the internal surfaces of polymerization reactors is provided by this invention. Reduced build-up in vinyl chloride polymerization is obtained...
4707998 Apparatus and method for ultrarapid cooling of biological samples  
A method and apparatus for ultrarapid cooling of tissue samples against a chilled cryogenic surface. The cryogenic surface is enclosed in an ultra-high hydrocarbon free vacuum chamber during...
4701304 Apparatus for automated synthesis of peptides  
A system maintained under a constant reference pressure for the automated synthesis of peptides includes a reaction vessel that has a single port for both injection and withdrawal of the various...
4698211 Catalyst injection for Ziegler polymerization  
The fouling of the solid cocatalyst inlet nozzle in alpha-olefin Ziegler type polymerizations in stirred liquid phase, mass reaction is eliminated by positioning the inlet nozzle below the liquid...
4687641 Apparatus for preparing pre-expanded thermoplastic resins  
A process and apparatus for preparing pre-expanded particles of a thermoplastic resin which comprises; heating under an elevated pressure an aqueous dispersion comprising thermoplastic resin...
4687381 Device for introducing a powder with catalytic activity into a fluidized-bed polymerization reactor  
Device and process for introducing a powder with catalytic activity into a fluidized bed polymerization reactor (1), the said device comprising: a storage enclosure (2) for powder with catalytic...
4686087 Apparatus for thermoplastic resins pre-expanding process  
A process and apparatus for preparing pre-expanded particles of a thermoplastic resin which comprises; heating under an elevated pressure an aqueous dispersion comprising thermoplastic resin...
4681540 Dental handpiece arrangement  
An improved dental handpiece arrangement utilizes a drive cartridge containing the drive motor. The drive cartridge coacts with a coupling member and can be utilized with either a tubular adapter...
4663123 Apparatus for producing polyacetylene film  
An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit...
4661321 Continuous reactor design  
A continuous reactor for forming polymeric materials from reactive components for use in a system for mixing monomeric materials and the process of operation of the continuous reactor and system.
4627962 Process and apparatus for reducing the chances of ignition and explosion from the decomposition of high pressure industrial process ethylene gases  
An apparatus for evacuating the gases resulting from the decomposition of industrial process gases, such as ethylene, contained in a vessel under high pressure is adjacent to the vessel. The...
4620049 Method and apparatus for controlling polybutene production  
The method is particularly adapted for controlling the molecular weight of a product output from a polybutene reactor. The method includes the steps of: deriving from the operating parameter of a...
4613483 Coated polymerization vessels and methods for use thereof  
Anionic water soluble carboxyl-containing polymers, deposited and dried on polymerization reactor surfaces exposed to polymerization mixtures, substantially reduce or eliminate undesirable polymer...
4610850 Apparatus for producing fibrides of synthetic heterochain polymers  
Fibrides of synthetic heterochain polymers are produced by a non-equilibrium polycondensation of an aqueous alkaline solution of bifunctional compounds supplied into the reaction zone as a...
4610574 Catalyst feeding system  
An apparatus is provided for introducing a mixture of dry catalyst and a hydrocarbon liquid into a polymerization reactor vessel. The apparatus comprises a enclosed mixing tank with rotating mixing...
4591487 Method and apparatus for the continuous production of high-molecular polymers  
Apparatus for the continuous production of high molecular polymers in which a plurality of parallel screw shafts coupled together for rotary movement in the same direction within a casing are...
4560501 Apparatus for manufacturing solidified radioactive waste  
A solidified radioactive waste manufacturing apparatus comprises a first system for producing radioactive waste powder from liquid radioactive waste and a second system connected to the first...
Matches 351 - 400 out of 534 < 1 2 3 4 5 6 7 8 9 10 11 >