Matches 251 - 300 out of 448 < 1 2 3 4 5 6 7 8 9 >
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4299935 Process for bulk polymerization  
The bulk polymerization of monomers which produce polymer insoluble in the monomers, in which the polymerization is carried out in an autoclave mounted on a horizontal axis and provided with...
4299498 Flashing reactor  
A flashing reactor wherein the initial single pipe carrying the ingredients within the flasher shell is connected within the shell to a flow splitter which in turn is connected to at least two...
4298576 Polymerization autoclave  
A polymerization autoclave for the suspension polymerization of vinyl compounds in the aqueous phase having a volume of from 50 to 200 m 3 , an impeller agitator driven from below at the bottom of...
4291132 Polymerization process  
A polymerization process is carried out in at least two zones, wherein in one zone polymerization is effected in the presence of a liquid phase which is at least one liquid olefine monomer and in a...
4277585 Vertical autoclave for bulk polymerization of vinyl chloride  
A vertical autoclave suitable for the bulk polymerization of vinyl chloride based polymers and copolymers embodying agitation means comprising at least one agitator (A) in the form of helicoidal...
4260739 Process and apparatus for preparing a homogeneous solution of xanthated alkali cellulose  
Process and apparatus for treating xanthated alkali cellulose solution so as to form a homogeneous solution by continuously passing a xanthated alkali cellulose solution through a series of...
4260355 Device for the discontinuous production of block foam  
The invention is directed to a device for the discontinuous production of block foam comprising a mixing unit, a means for moving the unit approximately vertically into and/or out of a mold with...
4243636 Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds  
In an apparatus for oxidizing an alkyl-substituted aromatic compound in the liquid phase with a molecular oxygen-containing gas in a lower aliphatic carboxylic acid solvent in the presence of an...
4242306 Process and apparatus for the production of a foamable mixture from at least two fluid, foam forming reactants and aggregates  
The instant invention relates to a process and an apparatus for the production of a foamable mixture from at least two fluid, foam forming reactants and aggregates, in which the aggregate is added...
4237261 Process for continuously producing polyester and spun fiber  
In a process for continuously producing polyester which comprises continuously polymerizing bis-β-hydroxyethyl terephthalate and/or a lower polymer thereof using a plurality of vacuum...
4233265 Liquid polymer hydration  
Described is a mixing apparatus and its use in the hydration of liquid polymers. The apparatus includes two packed mixing columns, each having two reducing couplings attached thereto to form an...
4226543 Mixing head, especially for reactive components such as those in thermosetting synthetic resins  
A mixing head, specially for chemically reactive fluid components, such as two reactive liquids adapted to form a synthetic resin, has a central body which is provided with passages enabling...
4224282 Injection of catalysts into a polymerization autoclave  
A composite injector is provided for handling the introduction to a thick-walled, high pressure polymerization autoclave of both monomer and catalyst streams. Said injector comprises an inner,...
4222986 Autorefrigeration polymerization apparatus  
The fouling of autorefrigeration polymerization systems because of entrained particles in the vaporized solvent-diluent is substantially reduced by returning the recycle solvent-diluent into the...
4220743 Process for aqueous dispersion polymerization of vinyl halide monomers in coated reactor  
A process for polymerization of vinyl halide monomers in reactors with interior walls treated with a coating composition to prevent buildup said coating composition comprising a mixture of at least...
4212847 Apparatus for carrying out polymerizations from the gas phase  
An apparatus for carrying out polymerizations from the gas phase comprising a sealable reactor with a spiral stirrer which is rotatable in the reactor about a vertical axis to generate circulatory...
4211751 Use of an apparatus for continuous photopolymerization  
For photopolymerization, glass cylinders through which a mechanically stirred stream of ethylinically unsaturated monomeric material continually flows are irradiated from the exterior with light...
4207202 Apparatus for making small bubble foam  
Apparatus for making foam from water, air and surfactant produces very small bubble foam by discharging the ingredients for the foam through passages that cause the stream of ingredients to be...
4200614 Turbine mixer  
A turbine mixer for a polyethylene reactor of the stirred autoclave type in which a turbine rotor is mounted on a rotating stirrer shaft extending along the longitudinal axis of the reactor and a...
4199546 Manufacture and recovery of olefin polymer particles  
Apparatus for the polymerization of an olefin in a particle form process to form solid particles of polyolefin in a liquid slurry in a polymerization zone and the solid polymer particles are...
4199547 Device for producing foam plastics  
The present invention relates to a method for producing foam plastics and a device for effecting same. The method resides in foaming with continuous and proportioned injection of all components...
4198383 Apparatus for continuous preparation of acrylonitrilebutadienstyrene copolymer  
Method and apparatus for continuous preparation of an acrylonitrilebutadienestyrene copolymer comprises on-stream mounted: a prepolymerization reactor, a polymerization reactor, a reactor for the...
4198373 Low profile drive for agitator shaft of chemical reactor vessel  
A low profile drive assembly for the agitator shaft of a reactor vessel is mounted for lateral movement relative to the agitator shaft whereby to provide access to and removal of the shaft-seal...
4196168 Sloped tray arrangement for polymerization reactor  
An improved polymerization reactor apparatus having a vertically disposed outer shell, a liquid polymer inlet at the top of the shell and a liquid polymer outlet at the bottom of the shell, and a...
4157427 Method for entraining gas in a liquid chemical precursor for reaction injection molding  
In a preferred embodiment, minute bubbles of a suitable gas are rapidly entrained in a liquid chemical constituent of a reaction injection molding system (e.g., polyurethane) to reduce the...
4154797 Furan lined equipment for handling spent aqueous Ziegler type catalyst in the polymerization of olefins  
In the polymerization under pressure of liquid olefin to polyolefin using a Ziegler type catalyst, the reaction mass, comprising a mixture of catalyst and polyolefin dissolved in liquid monomer, is...
4141957 Apparatus for producing polymers of high molecular weight by the two-phase interfacial method  
Process and apparatus for producing high molecular weight polymers by the two-phase interfacial method comprising bringing two liquid phases containing polymerizable reactants continuously into...
4137048 Insulating foam producing and delivering apparatus, and foam gun therefor  
Insulating foam producing and delivering apparatus includes foaming agent and resin supplies, means for delivering the foaming agent and resin and also air under pressure and a foam gun for...
4137387 Equipment for handling spent-aqueous Ziegler type catalyst in the polymerization of olefins  
In the polymerization under pressure of liquid olefin to polyolefin using a Ziegler type catalyst in which the reaction mass, comprising a mixture of catalyst and polyolefin dissolved in liquid...
4134736 Steam-polymer separation apparatus  
The spiral agitator in a vessel for separating steam from polymer is modified by providing holes in the ribbon flight at locations adjacent to the locations where the ribbon flight is supported by...
4125574 Process and apparatus for the continuous production of vinyl chloride polymers in aqueous emulsion  
A continuous process and an apparatus for the polymerization of vinyl chloride in aqueous emulsion wherein the liquid reaction mixture is fed into the lower part of a vertical, cylindrical vessel,...
4125697 Process for the production of polychloroprene  
Object of the invention is a process for polymerizing chloroprene in aqueous emulsion in a certain apparatus which prevents formation of deposits and so-called "popcorn" polymers.
4110521 Continuous polymerization apparatus and process  
An apparatus and process for the production of polymers which utilizes a tubular reactor which contains static mixers.
4109069 Horizontal autoclave for the bulk preparation of polymers and copolymers on a basis of vinyl chloride  
A horizontal autoclave for the bulk preparation of polymers and copolymers on a basis of vinyl chloride. It is equipped with a stirrer system of the frame type comprising one or more coaxial...
4071325 Ethylene polymerization reactor  
A reactor including a horizontally disposed, elongated motor housing and at least a pair of mating reactor body sections, end heads for sealing the outer ends of the reactor and closure straps...
4045185 Autoclave  
An autoclave for the bulk polymerization of vinyl chloride polymers and copolymers comprising a vessel having one or more agitators in the form of a shaft mounted for rotational movement about a...
4041088 Recirculation telomerization process and its liquid telomers and liquid telomers produced thereby  
Recirculation process and apparatus for the preparation of normally liquid telomers derived from the reaction of a gaseous taxogen with a solution in a liquid telogen, such as toluene, of an...
4032115 Device for mixing components which form a plastic  
A device for blending together components which are to form a given plastic material. The device has a stationary housing formed with inlet ports to receive the components which are to be blended...
4030637 Apparatus for dosing and mixing fluid reactants  
This invention relates to an apparatus for dosing and mixing at least two fluid reactants consisting of a dosing unit; a mixing head and conduits connecting the dosing unit and mixing head;...
4016348 Reactor process and apparatus for continuous polymerization  
A process and apparatus for continuously polymerizing styrene to a low residual monomer content in a series flow reactor, the reactor containing internal stationary devices to laterally mix the...
3987021 Process utilizing a stirring reactor  
A process for polymerization or polycondensation wherein the reactor is equipped with a stirrer disposed in the interior of the reactor to be rotatable about an axis extending in the direction of...
3980628 Large capacity external cooled vinyl halide polymerization reactor  
A process for polymerizing vinyl halide monomer in a large capacity reactor. Liquid polymerization medium comprising water, surfactant, and monomer is charged to the reactor, polymerization...
3976431 Wiped-wall reactor  
In an essentially horizontal totally enclosed cylindrical wiped-wall polymer reactor having an essentially horizontal polymer flow, a pool of polymer in its lower portion, and driven wheels to...
3970610 Polymerization process  
The present invention relates to a vessel and a process for polymerizing vinyl chloride in suspension. The vessel the inner surfaces of which consist of stainless steel or are plated with a noble...
3964874 Continuous reactor for viscous materials  
A continuous reactor for viscous materials that give off volatile matter during operation has two rows of agitation rotors mounted staggeredly and with a phase angle of 90° to each other on a...
3963690 Polymerization of ethylene in stirred autoclave with cooled inner wall  
Polymerization of ethylene by free-radical initiation at high temperature and pressure in a stirred autoclave by continuous process is improved by means of cooling at inner wall in contact with...
3960506 Apparatus for producing homogeneous materials or foam from at least two inter-reacting components  
Apparatus for the production of homogeneous material or foam from a plurality of components. A three-way valve is communicated with supply tanks for the components by pipes having pumps interposed...
3957448 Divided horizontal reactor for the vapor phase polymerization of monomers at different hydrogen levels  
Apparatus for the vapor phase polymerization of at least one polymerizable monomer comprising: (a) a horizontal reactor of substantially circular cross-section containing a centrally-located drive...
3950138 Apparatus for conducting chemical reactions, particularly polymerization, continuously  
An apparatus for carrying out chemical reactions in a continuous manner, particularly polymerizations, comprising a substantially axially symmetrical central reaction chamber containing a plurality...
3944538 Process and apparatus for the synthesis of peptides not linked to polymers  
In situ process for synthesizing peptides not linked to polymers. The peptide derivatives remain in the same reaction vessel throughout the chain-lengthening procedure. Preferred apparatus for...
Matches 251 - 300 out of 448 < 1 2 3 4 5 6 7 8 9 >