Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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 |
| 8021537 | Steam generation apparatus and method The present invention provides for steam generation replacing natural gas with a selected refined product of a feedstock of bitumen, asphaltenes or heavy oil using locally produced surplus bitumen, asphaltene or heavy oil, separating the asphaltenes and other compon... | 09/20/2011 |
| 7393449 | Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content A binder pitch material includes a petroleum pitch and asphalt fraction obtained from petroleum crude oil and has a significantly lower polycyclic aromatic hydrocarbon composition than a coal tar pitch having a like softening point. The pitch material is useful as a... | 07/01/2008 |
| 7341656 | Continuous oxidation and distillation process of heavier hydrocarbon materials The present invention provides a way to process heavier hydrocarbons in a relatively low cost and low pressure process using a combination of superheated steam and at least one reaction gas to i) promote oxidation and thermal reaction of heavier hydrocarbons, while ... | 03/11/2008 |
| 7318891 | Noah's pitch process A process for producing pitch from pitch precursors, such as wood tar, coal tar or petroleum fractions is disclosed. Direct contact heat exchange of the pitch precursor with molten metal, preferably maintained as a metal continuous bath, heats the pitch precursor to... | 01/15/2008 |
| 7318890 | Pitch fractionation and high softening point pitch A process for fractionating crude pitch by direct contact heating with molten metal is disclosed. The crude pitch, which may contain water, contaminants and/or distillables is heated by direct contact heat exchange with molten metal, preferably maintained as a metal... | 01/15/2008 |
| 7220348 | Method of producing high softening point pitch The present invention provides a way to increase the softening point of heavier hydrocarbons in a relatively low cost and low pressure process using superheated steam to i) increase the carbon yield of the heavier hydrocarbons, while simultaneously ii) removing vola... | 05/22/2007 |
| 7208570 | Method of refining tall oil The present invention relates to a method of refining crude tall oil. According to the method, the crude tall oil is fed into a column distiller, where it is separated into desired fractions. The conditions of the column distiller are adjusted on the basis of the co... | 04/24/2007 |
| 7192469 | Exhaust treatment device, system and methods for internal combustion engines A device, system and methods related to the same are provided for the treatment of exhaust gases from internal combustion engines. An exhaust treatment device is provided comprising a chamber containing a liquid bath through which exhaust gases are directed for remo... | 03/20/2007 |
| 7066997 | Coal tar and hydrocarbon mixture pitch and the preparation and use thereof A method of making the saturated aircraft brake preform using a coal tar pitch having a softening point in the range of about 160° C. to 240° C. Also, a product having natural rubber in the formulation and the method of making the product using a coal tar pitch ha... | 06/27/2006 |
| 7033485 | Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process Described are methods that utilize high efficiency evaporative distillation to make a high softening point coal tar pitch, a quinoline insoluble-free and ash-free coal tar pitch having a desired softening point, and a mesophase coal tar pitch. Each of the methods us... | 04/25/2006 |
| 6878263 | Rubber process oil and production process thereof Disclosed is a rubber process oil in which the content of polycyclic aromatics (PCAs) as determined by the IP 346 method is less than 3% by mass and which is rich in aromatic hydrocarbons, and a method for producing the same. The aniline point of the rubber process ... | 04/12/2005 |
| 6605208 | Process for reduction of emissions in asphalt production A process and apparatus are disclosed that relate generally to a process for reducing harmful or unwanted emissions during the production of asphalt, such as blue smoke. The process includes the introduction of a pump around of the wax oil fraction for re... | 08/12/2003 |
| 6352637 | High coking value pitch A high coking value pitch with a relatively low softening point is disclosed. A pitch is distilled or thermally processed to produce an intermediate pitch with an increased coking value and relatively high softening point, then blended with a cutter solve... | 03/05/2002 |
| 6319392 | Coal tar extract with reduced aromatic hydrocarbon content, method for obtaining same and dermatological and cosmetic compositions The invention concerns a coal tar extract with reduced polycyclic aromatic hydrocarbon and benzo(a)pyrene content and a method for obtaining same using two sequentially linked distillation systems. The invention also concerns cosmetic and dermatological p... | 11/20/2001 |
| 6194344 | Process for preparing carbonaceous material carrying ultrafinely dispersed metal A process for the preparation of a high-softening-point pitch rich in mesopores having a softening point measured by temperature gradient method of 150° C. or higher, a weight loss by heating up to 300° C. of 5 wt. % or less and mesopores of 100 mm... | 02/27/2001 |
| 6048447 | Asphalt compositions containing solvent deasphalted bottoms and rerefined lube oil bottoms, and their preparation An asphalt composition is provided which contains i) an asphalt component containing solvent-deasphalted bottoms, ii) a rerefined lube bottoms fraction, iii) an optional fluxing component, and iv) an optional vacuum bottoms component. The invention furthe... | 04/11/2000 |
| 5958365 | Method of producing hydrogen from heavy crude oil using solvent deasphalting and partial oxidation methods Heavy crude oil is recovered and processed at a refinery through (a) a distillation zone(s), (b) a solvent deasphalting unit (c ) a high pressure air partial oxidation gasifier to produce a CO-rich gas mixture including hydrogen, (d) a shift reactor and (... | 09/28/1999 |
| 5746906 | Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof A coal tar pitch/petroleum pitch blend is disclosed together with a method of making the same. In accordance with the invention, a crude coal tar material is selected according to specific properties including QI, specific gravity, water and ash content. ... | 05/05/1998 |
| 5728291 | Demetallation - high carbon conversion process, apparatus and asphalt products In this combination process, solvent deasphalting (SDA) concentrates metals in the bottoms product which can be blended to asphalt as a product or for sending to the Calderon or similar process and outputs a high carbon (4+ concarbon) feed which is readil... | 03/17/1998 |
| 5605618 | Process for preparing nitrogen-containing isotropic pitch and nitrogen-containing isotropic pitch A process for preparing nitrogen-containing isotropic pitch, comprising the steps of mixing a petroleum heavy oil, a nitrating reagent and water to prepare a homogeneous dispersion, thereby contacting the petroleum heavy oil with the nitrating reagent in ... | 02/25/1997 |
| 5601697 | Demetallation-High carbon conversion process, apparatus and asphalt products In this combination process, solvent deasphalting (SDA) concentrates metals in the bottoms product which can be blended to asphalt as a product or for sending to the Calderon or similar process and outputs a high carbon (4+ concarbon) feed which is readil... | 02/11/1997 |
| 5534137 | Process for de-ashing coal tar Described are novel processes for treating high-ash coal tars to produce coal tars which are suitable for distillation to form binder pitch. Preferred processes of the invention involve multi-stage centrifugations to reduce ash and preferably also quinoli... | 07/09/1996 |
| 5326457 | Process for making carbon electrode impregnating pitch from coal tar Carbon electrode impregnating pitch is made from coal tar by centrifugation of the coal tar to remove particulates, followed by milling and distilling the remaining material.... | 07/05/1994 |
| 5316654 | Processes for the manufacture of enriched pitches and carbon fibers There are provided improved processes for the manufacture of enriched pitches, carbon fiber precursors, carbon fibers, and graphite fibers. The improvement comprises employing an elevated wiped-film evaporator in a wiped-film evaporator system comprising ... | 05/31/1994 |
| 5314609 | Process for preparing debenzolized tar and low-benzene centrifuged tar sludge Crude coal tar is distilled in the form produced in a coke plant. The distillation tower contains a rectification section to retain naphthalene with the other components heavier than benzene. The benzene is removed overhead.... | 05/24/1994 |
| 5279971 | Method for determining a binder content of bituminous building materials A method of determining the binder content of bituminous building material including a mixture of a mineralic constituent, a bituminous binder and moisture comprises the steps of: preparing a sample of the material, heating the sample to a temperature bet... | 01/18/1994 |
| 5262043 | Coal tar pitch and the preparation and use thereof An isotropic coal tar pitch having a low content of carcinogenic compounds is prepared by distilling a coal tar pitch in an evaporator having a specific evaporator surface of from 330 to 10,000 m2 /m3, at a temperature in the range o... | 11/16/1993 |
| 5192421 | Integrated process for whole crude deasphalting and asphaltene upgrading Deasphalting heavy, asphaltic crudes before significant thermal treatment, even mild treatment which is inherent in, e.g., vacuum distillation, produces deasphalted whole crude with a reduced soluble metal content. This process is especially effective for... | 03/09/1993 |
| 5120424 | Binder pitch for an electrode and process for its manufacture The disclosed bonding pitch for electrodes, having a softening point C.I.A. comprised between 80° C. and 150° C., a concentration of quinoline-insoluble substances higher or equal to 4% by weight, a concentration of +ଲ resins comprised betw... | 06/09/1992 |
| 5081046 | Method for determining the binder content of bituminous building materials The binder content of bituminous building materials, especially asphalts is determined. To enable samples of relatively great mass to be analyzed within comparatively little time, the binder is removed from the sample by thermal degradation. The binder co... | 01/14/1992 |
| 5061413 | Process for producing pitch-based carbon fibers A pitch-based carbon fiber having a high strength is produced by (a) treating a heavy oil at a temperature of 370° to 480° C. and a pressure of 2 to 50 kg/cm2 ; (b) separating and removing insoluble solids from the heat-treated oil so that th... | 10/29/1991 |
| 5000835 | Method of reducing H2 S in asphalt In a refinery operation for producing asphalt, a metal organic acid salt is used to reduce H2 S caused by thermal decomposition of hydrocarbons in the asphalt.... | 03/19/1991 |
| 4997542 | Impregnation pitch with improved filterability and process for its manufacture An impregnation pitch having a Kraemer-Sarnow softening point ranging from about 60° C. to 80° C., a content of quinoline-insoluble substances less than or equal to 7% by weight, and a filterability index greater than or equal to 4.5. A process for the ... | 03/05/1991 |
| 4976845 | Process for increasing meso phase contents in pitch A process for increasing the content of mesophase in a pitch includes using a high molecular aromatic fraction based on a material selected from the group consisting of coal tar, crude oil and their mixture in molten form, thermally treating the fraction ... | 12/11/1990 |
| 4961837 | Process for the production of petroleum tar pitch for use as a binder in the production of electrodes A process for the production of high quality petroleum tar pitch for use as a binder in the manufacture of electrodes for the aluminum and steel industries from a highly aromatic feed comprises fractionating the feed in an oxygen-free environment under co... | 10/09/1990 |
| 4931162 | Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon filters A clean pitch suitable for the manufacture of carbon artifacts is obtained by distilling from an aromatic feedstock a distillate material free from mesophase forming resins. The distillate is heated to obtain a heat soaked distillate free from mesophase b... | 06/05/1990 |
| 4897176 | Method of preparing baseoil blend of predetermined coking tendency A process for preparing a baseoil blend of predetermined coking tendency, and for measuring the effectiveness of additives for reducing coking tendency in baseoils, utilizing the relationship of the content of volatile fractions and how boiling fractions ... | 01/30/1990 |
| 4789456 | Process for preparing mesophase pitches A process for an efficient preparation of a mesophase pitch is disclosed. The process is suitable for the production of high performance carbon fibers, from a coal tar or a petroleum residual oil. More particularly, the present invention relates to a proc... | 12/06/1988 |
| 4755277 | Process for the preparation of a hydrocarbonaceous distillate and a residue A process is disclosed for the preparation of a hydrocarbonaceous distillate and a hydrocarbonaceous residue, which comprises mixing a residual fraction of a product obtained by catalytic cracking or hydrocracking a hydrocarbonaceous feedstock, with a sec... | 07/05/1988 |
| 4671864 | Process for the manufacture of carbon fibers and feedstock therefor Disclosed herein is an improved pitch for making readily stabilizable, substantially nonmesophasic carbon fibers. The pitch has a softening point of about 250° C.(480° F.) or above and is produced from an unoxidized thermal petroleum pitch by selectivel... | 06/09/1987 |
