Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
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.
| Number | Title | Issue Date |
| 7342145 | Process for refining liquefied petroleum gas in a commercial scale The present invention relates to a novel process for refining the liquefied petroleum gas (LPG) in a commercial scale. The process comprises: sequentially performing fine desulfurization and mercaptan conversion of the LPG after alcohol amine treatment through desul... | 03/11/2008 |
| 7326819 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 02/05/2008 |
| 7144499 | Desulfurization process This invention is a method of purifying fuel streams containing organosulfur impurities. The fuel stream is oxidized with an organic hydroperoxide in the presence of an oxidation catalyst to form a sulfone product. The alcohol product of the organic hydroperoxide is... | 12/05/2006 |
| 7022889 | Isomerization process using novel catalyst A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 04/04/2006 |
| 7015175 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 03/21/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 6927188 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 08/09/2005 |
| 6805062 | Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection An apparatus and method for reclaiming a useful oil product, from waste oil provides an evaporation chamber in which waste oil is heated and vaporized, preferably at a temperature which causes some cracking of the oil. Hydrogen is injected into the vaporized oil, so... | 10/19/2004 |
| 5741415 | Method for the demercaptanization of petroleum distillates The demercaptanization of petroleum distillates may be carried out by means of the oxidation of the mercaptans contained therein using the oxygen in the air, at a temperature of about 80° to about 220° C., in the presence of about 0.01 to about 10.0 mas... | 04/21/1998 |
| 5593932 | Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base A catalytic mixture of discrete solid materials and a mercaptan oxidation process for using the catalytic mixture have been developed. The catalytic mixture comprises a metal chelate dispersed on a non-basic solid support and a solid base. The process inv... | 01/14/1997 |
| 5413701 | Process for sweetening a sour hydrocarbon fraction using a supported metal chelate and a solid base A catalytic system of physically separate and discrete solid materials and a mercaptan oxidation process for using the catalytic system have been developed. The catalytic system comprises a supported metal chelate dispersed on a non-basic solid support an... | 05/09/1995 |
| 5413704 | Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base A catalytic mixture of discrete solid materials and a mercaptan oxidation process for using the catalytic mixture have been developed. The catalytic mixture comprises a metal chelate dispersed on a non-basic solid support and a solid base. The process inv... | 05/09/1995 |
| 5401390 | Catalyst for sweetening a sour hydrocarbon fraction containing metal oxide solid solution and magnesium oxide A catalyst and a process for using the catalyst have been developed. The catalyst is a metal chelate dispersed on a basic support which is a combination of a solid base and a secondary component. The solid base can be a solid solution of metal oxides and/... | 03/28/1995 |
| 5389240 | Naphthenic acid removal as an adjunct to liquid hydrocarbon sweetening Naphthenic acids may be efficiently and conveniently removed from liquid hydrocarbon feedstocks by passing such feedstocks through a bed of certain metal oxide solid solutions related to hydrotalcites. The removal of naphthenic acids is an important adjun... | 02/14/1995 |
| 5340465 | Use of a metal oxide solid solution for sweetening a sour hydrocarbon fraction An improved process for treating a sour hydrocarbon stream has been developed. This process involves contacting the sour hydrocarbon fraction with a metal oxide solid solution in the presence of an oxidizing agent such as air or oxygen. One example of a s... | 08/23/1994 |
| 5286372 | Process for sweetening a sour hydrocarbon fraction using a solid base A process for treating a hydrocarbon fraction which contains mercaptans has been developed. The process uses a novel catalyst which is composed of a metal chelate dispersed on a basic support which is either a solid solution of metal oxides or a layered d... | 02/15/1994 |
| 4810362 | Method for cleaning fossil fuel, such as coal and crude oil Contaminants, such as sulphur, sulphur compounds and other pollutants are removed from fossil fuels. The fossil fuel in a liquid medium, such as crude oil or a coal slurry, is exposed to metallic copper to react the sulphur with copper ions and settle out... | 03/07/1989 |
| 4466906 | Catalyst for the oxidation of mercaptans to disulfides, process for the preparation thereof, and its use in the sweetening of petroleum distillates A catalyst suited for use in the sweetening of petroleum distillates (by oxidizing mercaptans to disulfides) which is formed of a metal complex of a polyaminoalkylpolycarboxylic acid deposited directly on a basic anion exchange resin. The method of making... | 08/21/1984 |
| 4459204 | Use of lower alcohols as oxygen source in hydrocarbon sweetening Small amounts of lower alcohols are admixed with sour hydrocarbons and the mixture is contacted with a copper-containing catalyst at an elevated temperature. The alcohol serves as the oxygen source for the catalytic oxygenative conversion to disulfides of... | 07/10/1984 |
| 4459205 | Catalyst for the oxidation of mercaptans to disulfides, process for the preparation thereof, and its use in the sweetening of petroleum distillates A catalyst suited for use in the sweetening of petroleum distillates (by oxidizing mercaptans to disulfides) which is formed of a metal complex of a polyaminoalkylpolycarboxylic acid deposited directly on a basic anion exchange resin. The method of making... | 07/10/1984 |
| 4072630 | Metal phthalocyanine catalyst preparation A method of preparing a supported metal phthalocyanine catalyst. A solid adsorbent support or carrier material is impregnated with an alkali metal phthalocyanine solution and with a metal salt solution comprising a metal exchangeable with said alkali meta... | 02/07/1978 |
| 4051015 | Hydroconversion of heavy hydrocarbons using copper chloride catalyst A heavy hydrocarbonaceous oil is converted to lower boiling products by treatment with hydrogen in the presence of a particulate acidic copper chloride catalyst.... | 09/27/1977 |
