U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6266829

Combination Beverage Container and Spittoon

A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 585/712 - With removal of organic halogen contaminant


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter in which an organic compound containing halogen
No. of patents: 28
Last issue date: 06/07/2011


NumberTitleIssue Date
7956230Reduction of organic halide contamination in hydrocarbon products
A method for reducing halide concentration in a hydrocarbon product made by a hydrocarbon conversion process using an ionic liquid catalyst comprising a halogen-containing an acidic ionic liquid comprising: (i) separating at least a portion of the hydrocarbon produc...
06/07/2011
7902419Reduction of organic halides in alkylate gasoline
An alkylation process comprising contacting a first hydrocarbon feed comprising at least one olefin having from 2 to 6 carbon atoms and a second hydrocarbon feed comprising at least one isoparaffin having from 3 to 6 carbon atoms with a halide-based acidic ionic liq...
03/08/2011
7538256Reduction of organic halides in alkylate gasoline
An alkylation process comprising contacting a first hydrocarbon feed comprising at least one olefin having from 2 to 6 carbon atoms and a second hydrocarbon feed comprising at least one isoparaffin having from 3 to 6 carbon atoms with a halide-based acidic ionic liq...
05/26/2009
7371918Alkylation process with settler effluent recycle
A system and/or process for increasing the isobutane to olefin ratio in an alkylation process/system is disclosed. The system and/or process includes provisions for charging a portion of the settler effluent as a feed to at least one reaction zone downflow from the ...
05/13/2008
7087803Method for the recovery of perfluorinated sulphonic acid
Method for the recovery of a perfluorinated sulphonic acid from a viscous organic residue by aqueous extraction of the acid from the residue in presence of a solvent containing aromatic compounds. ...
08/08/2006
6891076Process for the recovery of perfluorinated sulphonic acids from spent acid residue
Process for the recovery of perfluorinated sulphonic acid from a hydrocarbon residue, comprising the steps of (a) treating the residue with an alkyl ammonium salt of the perfluorinated sulphonic acid or a mixture of an alkyl ammonium salt of the perfluo...
05/10/2005
6426441Method for reducing organic fluoride levels in hydrocarbons
A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing...
07/30/2002
6423211Method for reducing organic fluoride levels in hydrocarbons
A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing...
07/23/2002
6392114Solid catalyst alkylation process with regeneration section and hydrogen fractionation zone
An alkylating agent alkylates an alkylation substrate in a solid catalyst alkylation process in which an alkylation reactor produces a reaction effluent and a catalyst regeneration zone produces a hydrogen-containing regeneration effluent. The alkylation ...
05/21/2002
6281405Alkylation process using membrane for recovery of halides
A process for recovering halides from hydrocarbon containing streams is disclosed using a sulfonated hexafluro bis-A-polysulfone membrane of polymers and copolymers having the polymer repeat unit of the formula: ##STR1## in the polymer or copolymer. This ...
08/28/2001
6114593Method for reducing organic fluoride levels in hydrocarbons
A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing...
09/05/2000
6043404Removal of alkyl halides from hydrocarbon stream
A process for the removal of alkyl halides from a liquid hydrocarbon substrate by reaction of the halides with an isoalkane and/or aromatic hydrocarbons in the presence of an acid catalyst supported on a solid support material....
03/28/2000
5942654Process for the removal of corrosive compounds from a fluid stream
A process for the removal of corrosive compounds from a fluid stream, comprising the steps of: in an extraction column with an outer steel tube and an inner tube of corrosion resistant material having an open inlet end and an open outlet end and being arr...
08/24/1999
5895831Solid catalyst alkylation process
A process for the production of motor fuel alkylate by reacting an alkene hydrocarbon, an alkane hydrocarbon and a hydrogen halide with a solid alkylation catalyst disposed in swing beds. The spent solid alkylation catalyst is regenerated in a highly inte...
04/20/1999
5659096Combination of olefin oligomerization and paraffin alkylation
In a process for alkylating C4 -C18 alkenes in the presence of an acid catalyst, propylene is separated from the alkenes feed, the propylene is oligomerized to oligomers containing maily propylene tetramers, and the propylene oligome...
08/19/1997
5565617Process for purifying an alkylate stream
A process for purifying an alkylate feedstream is disclosed. The feedstream contains hydrogen, hydrogen chloride, C2 -C7+ alkanes, C2 -C6 alkenes and C2 -C6 alkyl halides. The process involves ...
10/15/1996
4797199Temperature control for a KOH treater
A cooling fluid is utilized to withdraw heat from a KOH treater. The passing of the cooling fluid in heat exchange with the KOH treater is controlled so as to maintain desired operating pressures and also substantially maximize heat transfer. Bypassing of...
01/10/1989
4748292Method for removing polyhalogenated hydrocarbons from non-polar organic solvent solutions
A method is provided for reducing the level of polychlorinated aromatic hydrocarbons dissolved in an organic solvent which avoids the accumulation of sticky residues on the equipment utilized....
05/31/1988
4490572Removal of organic fluorides from HF alkylation products
A method for removing organic fluorides from HF alkylation propane in which a stream of relatively pure liquid HF obtained by settling liquid HF from the liquefied hydrocarbon passed to the overhead accumulator common for both the depropanizing column and...
12/25/1984
4404419Alkylation process
An alkylation process comprising an isoparaffin feed fractionation zone, an alkylation zone, and an alkylation product fractionation zone wherein a normal paraffin stream separated from the product fractionation zone is charged, preferably after defluorin...
09/13/1983
4400552Method for decomposition of halogenated organic compounds
A reagent comprising the product of the reaction of an alkali metal hydroxide with a polyglycol or a polyglycol monoalkyl ether and oxygen, effects complete decomposition of halogenated organic compounds, such as polychlorinated biphenyls (PCBs), when mix...
08/23/1983
4316998Treatment of sulfur-containing HF-alkylation feed, hydrocarbon product, propane and acid-soluble oils derived from the alkylation
HF is removed from hydrocarbon streams, e.g., a propane liquid stream from HF alkylation by water washing, the wash stream being contacted with solid caustic to remove moisture therefrom. The used wash water containing HF is combines with aqueous caustic ...
02/23/1982
4182924HF alkylation process utilizing fractionation zones at different pressures and including indirect heat exchange
An HF alkylation-fractionation system for the separation of the hydrocarbon phase separated from the HF alkylation effluent by passing the hydrocarbon phase first to a prefractionation zone operated at low pressure, followed by fractionation of both overh...
01/08/1980
4073821SO2 Stripping in fluorosulfuric acid catalyst regeneration
Sulfur dioxide is employed as a stripping agent in the regeneration of a deactivated or partially deactivated alkylation catalyst containing fluorosulfuric acid, thereby eliminating undesirable reactions that occur between the acid component of said catal...
02/14/1978
4039603Vapor pressure-adjusted motor fuel alkylate of reduced fluoride content
The reaction product effluent emanating from an isoparaffinic/olefinic, HF-alkylation reactor system, containing normal paraffins, motor fuel, alkylate, unreacted isoparaffins, hydrogen fluoride catalyst and organic fluoride compounds, is separated to rec...
08/02/1977
4033899Alkylation fluosulfonic-sulfuric acid catalyst recovery process with silica-alumina removal of fluoride compounds
A process for removal of fluoride compounds from spent alkylation catalyst containing fluorosulfonic acid and sulfuric acid wherein said spent catalyst is hydrolyzed in the presence of water, at subatmospheric pressure in a vacuum digestion zone for conve...
07/05/1977
3979475Recovery of HF and ethyl fluoride from alkylation of isoparaffin with olefins in presence of HF catalyst
Lean HF is used to extract ethyl fluoride from depropanizer overhead by steps including contacting liquid propane containing ethyl fluoride with lean HF thus taking ethyl fluoride into the HF phase, contacting vent gas from the depropanizer overhead with ...
09/07/1976
3966417Apparatus for contacting alkylate containing alkyl fluoride with hydrogen fluoride
An apparatus comprising a substantially upright vessel having the following sections: a lower acid from hydrocarbon alkylate effluent settling section, an intermediate section containing a riser conduit equipped with contacting elements, perforate disks w...
06/29/1976
 
Sign InRegister
Username  
Password   
forgot password?