Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5779993 | Liquid-phase catalyst-assembly for chemical process tower An improved catalyst assembly for vapor/liquid contact towers. Catalyst media used to promote chemical reactions is secured substantially in the liquid phase of the tower, such as in the lower portion thereof for improving mass transfer efficiency. Unlike... | 07/14/1998 |
| 5762668 | Apparatus and method for deentrainment in a chemical process tower A method of and apparatus for deentrainment and mass transfer in a chemical process tower. The apparatus comprises a structured packing layer assembled with a second type of packing layer disposed adjacent the underside of a process tower tray. The dual l... | 06/09/1998 |
| 5624566 | Method and apparatus for recovering carboxylic acids from dilute solutions A method for recovering carboxylic acids from a dilute aqueous solution thereof having a concentration below about ten percent (10%) by weight, which includes passing the dilute acid solution through a reverse osmosis separator, thereby producing a permea... | 04/29/1997 |
| 5601797 | Liquid-phase catalyst-assembly for chemical process tower An improved catalyst assembly for vapor/liquid contact towers. Catalyst media used to promote chemical reactions is secured substantially in the liquid phase of the tower, such as in the lower portion thereof for improving mass transfer efficiency. Unlike... | 02/11/1997 |
| 5547617 | Apparatus for increasing effective active area A downcomer-tray assembly for vapor liquid contact towers with enlarged effective active areas. The downcomers are constructed with support baffles enabling intermediate areas of the downcomer-tray to be supported therefrom and outer areas of the downcome... | 08/20/1996 |
| 5492603 | Apparatus for recovering acetic acid from aqueous streams Disclosed is a method and apparatus for recovering acetic acid from an acetic acid/water waste stream which includes a dehydration column into which the stream is fed and a liquid-liquid extraction system for recovering acetic acid from the condensate of ... | 02/20/1996 |
| 5492625 | Method of recovering carboxylic acids from dilute solutions A method for recovering carboxylic acids from a dilute aqueous solution thereof having a concentration below about ten percent (10%) by weight, which includes passing the dilute acid solution through a reverse osmosis separator, thereby producing a permea... | 02/20/1996 |
| 5453222 | Contact tray apparatus and method A downcomer tray assembly for vapor liquid contact towers. The downcomer is formed with generally semi-conical walls forming a vapor tunnel relative to the discharge region therebeneath. The discharge region is also constructed with a trough and a plurali... | 09/26/1995 |
| 5409579 | Method for recovering acetic acid from aqueous streams Disclosed is a method and apparatus for recovering acetic acid from an acetic acid/water waste stream which includes a dehydration column into which the stream is fed and a liquid-liquid extraction system for recovering acetic acid from the condensate of ... | 04/25/1995 |
| 5399244 | Process to recover benzene from mixed hydrocarbons by extractive distillation Benzene and other aromatics are separated from a stream of mixed hydrocarbons containing both aromatics and non-aromatics by extractive distillation with a solvent system containing dimethyl sulfoxide and optionally a co-solvent, preferably water, followe... | 03/21/1995 |
| 5399751 | Method for recovering carboxylic acids from aqueous solutions Disclosed is a method for recovering carboxylic acids having from one to ten carbon atoms, and particularly formic acid, acetic acid and mixtures of formic and acetic acids, from aqueous solutions, in which the aqueous solution is contacted with solvent c... | 03/21/1995 |
| 5389343 | Catalyst assembly and method for chemical process tower Improved catalyst assemblies for vapor/liquid contact towers. Bundles of catalyst media used to promote chemical reactions are disposed substantially in the vapor phase of the tower, such as beneath trays therein for improving mass transfer efficiency. Un... | 02/14/1995 |
| 5277848 | Method and apparatus for downcomer tray operation A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for facilitating vapor passage therethrough and improving mass transfer efficiency. The downcomer ... | 01/11/1994 |
| 5277847 | Method and apparatus for catalyst-downcomer-tray operation Improved catalyst-downcomer-tray assemblies for vapor liquid contact towers. Downcomers are constructed for receipt of bundles of catalyst media used to promote chemical reactions therein. Raised, perforated regions of the underlying trays are then dispos... | 01/11/1994 |
| 5217515 | Abatement of tinkles in wire mesh Method and product made for preventing loose tinkles in a wire mesh product. Opposite ends of a sock of knitted wire mesh are subjected to a single-ply bonding operation such as electric resistance welding, thereby bonding the tinkles to the mesh. The soc... | 06/08/1993 |
| 5192466 | Method of and apparatus for flow promotion Method of and apparatus for imparting directional liquid flow on a chemical process tower tray. A series of raised tray areas are disposed about the tray surface for affecting preferential vapor flow therethrough. The raised tray regions are constructed w... | 03/09/1993 |
| 5192465 | Method of and apparatus for liquid distribution A distributor assembly comprising a distributor plate adapted for horizontal positioning and securement to a process column liquid distributor for the symmetrical discharge of liquid therefrom. The distributor plate comprises a member having side walls fo... | 03/09/1993 |
| 5188773 | Tower packing with small and large louvers and mixing method Method of and apparatus for multi-phase contact utilizing louvered structured packing. The packing is provided in corrugated sheets and between the fold lines of the corrugations; a plurality of large louvered openings are disposed in generally parallel s... | 02/23/1993 |
| 5185106 | Tower packing with small louvers and mixing method Method of and apparatus for multi-phase contact utilizing louvered structured packing. the packing is provided in corrugated sheets and between the fold lines of the corrugations, and a plurality of large louvered openings are disposed in generally parall... | 02/09/1993 |
| 5164125 | Method and apparatus for downcomer-tray operation A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for facilitating vapor passage therethrough and improving mass transfer efficiency. The downcomer ... | 11/17/1992 |
| 5147584 | Contact tray assembly and method A contact assembly and method for vapor liquid contact towers employing a round aperture cover secured above a contact tray by integral depending legs, the upstream leg being of greater width than the downstream leg.... | 09/15/1992 |
| 5120474 | Valve-tray assembly A valve-tray assembly for vapor liquid contact towers. The active area of the tray beneath an upper downcomer is constructed with directional thrust valves facilitating oriented vapor flow therethrough and improving mass transfer efficiency. The valves in... | 06/09/1992 |
| 5106544 | Method of and apparatus for vapor distribution A vapor horn-packing bed assembly for a chemical process tower incorporating a plurality of directional flow vanes within a 360 degree annular housing. A structured packing bed is disposed centrally of the annular housing and the vapor horn is disposed in... | 04/21/1992 |
| 5106556 | Method of downcoer-tray vapor venting A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for improving mass transfer efficiency. The raised region reduces fluid pressure to vent excess va... | 04/21/1992 |
| 5080836 | Tower packing with small and large louvers Method of and apparatus for vapor-liquid contact utilizing louvered structured packing. The packing is provided in corrugated sheets and between the fold lines of the corrugations, a plurality of large louvered openings are disposed in generally parallel ... | 01/14/1992 |
| 5057250 | Tower packing with small louvers Method of and apparatus for vapor-liquid contact utilizing louvered structured packing. The packing is provided in corrugated sheets and between the fold lines of the corrugations, a plurality of large louvered openings are disposed in generally parallel ... | 10/15/1991 |
| 5051214 | Double-deck distributor and method of liquid distribution An improved liquid flow distributor assembly for a process column of the type wherein the distributor is positioned above a packing section for the distribution of liquid downwardly therethrough. The improvement comprises a plurality of distributor trough... | 09/24/1991 |
| 4956127 | Downcomer-tray assembly and method A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for improving mass transfer efficiency. The raised region reduces fluid pressure to facilitate asc... | 09/11/1990 |
| 4950430 | Structured tower packing Disclosed is a tower packing for vapor-liquid contact which includes a plurality of sheets of corrugated material, the sheets being arranged generally vertically and parallel to one another with the corrugations of adjacent sheets criss-crossing one anoth... | 08/21/1990 |
| 4909967 | Liquid distributor assembly for packed tower An improved liquid flow distributor assembly for a process column of the type wherein the distributor is positioned above a packing section for the distribution of liquid downwardly therethrough. The improvement comprises a plurality of troughs constructe... | 03/20/1990 |
| 4842778 | Apparatus for flow distribution in packed towers Process tower vapor/liquid flow distributor and packing bed comprising a plurality of relatively thin corrugated layers stacked one atop the other. The corrugated sheets are disposed in face to face contact with respective corrugations inclined to the hor... | 06/27/1989 |
| 4729857 | Liquid distributor for packed tower An improved liquid flow distributor for a process column of the type wherein the distributor is positioned above a packing section for the distribution of liquid downwardly therethrough. The improvement comprises a plurality of troughs formed with a downw... | 03/08/1988 |
| 4621475 | Structural strut and truss formed therefrom A structural strut having at least one surface of generally U-shaped cross section and being formed with a pair of upstanding side walls having opposed tapers. The side wall tapers of the strut shift or skew the neutral axis of the member in proportion to... | 11/11/1986 |
| 4604247 | Tower packing material and method Metal vapor-liquid contact plates disposed in face-to-face contact with respective corrugations inclined to the horizontal across an open notional plane. The metal packing is disposed within a vapor-liquid contact column for the purpose of bringing about ... | 08/05/1986 |
| 4597916 | Method of and apparatus for intermediate lamella vapor liquid contact Process tower vapor-liquid contact method and apparatus comprising stacks of corrugated contact plates having perforated lamella disposed therebetween. The corrugated plates are disposed in face-to-face contact with respective corrugations inclined to the... | 07/01/1986 |
| 4519960 | Expanded metal saddle tower packing Tower packing elements adapted for dumped packing and employed to effect vapor-liquid contact in vapor-liquid contact columns for the purposes of bringing about mass and heat transfer between the liquid and vapor phases. Each packing element is of the sad... | 05/28/1985 |
| 4374786 | Unitized scrubber tower The device of the present invention utilizes a unitized scheme to erect a sulphur dioxide scrubber tower wherein a set of factory built constituent subunits are joined at location to produce a single functional unit. The functional units themselves prefer... | 02/22/1983 |
| 4233825 | Knitting machine Disclosed is an improved knitting machine in which special steps have been taken to provide for close correlation of the operation of the knitting filament in-feed equipment and the knitted fabric out-feed equipment with the speed of the knitting head its... | 11/18/1980 |
| 4198002 | Reactor distribution duct A distribution duct for a reactor which can be easily fabricated. The duct has an elongated back plate and an elongated perforated front plate made up of flat segments separated by elongated angular breaks, and two flat marginal edge portions on the oppos... | 04/15/1980 |
| 4123008 | Reactor distribution duct A distributor duct for a reactor which can be easily fabricated. The duct has an elongated back plate and an elongated perforated flat plate made up of flat segments separated by elongated angular breaks, and two flat marginal edge portions on the opposit... | 10/31/1978 |
