Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 4773916 | Fuel composition and method for control of octane requirement increase The octane requirement increase phenomenon in a spark ignition internal combustion engine is controlled by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of a compound selected from th... | 09/27/1988 |
| 4767734 | Hydrocarbon conversion process and catalyst for selectively making middle distillates A hydrocarbon conversion catalyst useful for converting hydrocarbon feeds to midbarrel products is prepared by calcining a crystalline aluminosilicate zeolite having cracking activity in the presence of added steam at a water vapor partial pressure greate... | 08/30/1988 |
| 4764298 | Lubrication anti-wear additive An extreme pressure anti-wear additive soluble in lubricating oils is provided wherein the additive comprises the reaction product of a 2-mercaptobenzothiazole with (1) an aldehyde or ketone, preferably having between 1 and 10 carbon atoms, and (2) ammoni... | 08/16/1988 |
| 4762813 | Hydrocarbon conversion catalyst A hydrocarbon conversion catalyst useful for converting hydrocarbon feeds to midbarrel products is prepared by extruding a mixture of a porous, inorganic refractory oxide component and a crystalline aluminosilicate zeolite having cracking activity to form... | 08/09/1988 |
| 4761162 | Upgrading and storage of solid carbonaceous fuel Solid carbonaceous fuel is dried to a desired moisture content, cooled, and stored in an atmosphere having a controlled humidity and oxygen content to prevent heat generation which causes spontaneous combustion. A suitable atmosphere is produced by displa... | 08/02/1988 |
| 4761391 | Delaminated clays and their use in hydrocarbon conversion processes Delaminated clays whose X-ray diffraction patterns do not contain a distinct first order reflection are prepared from synthetic and natural swelling clays whose particles have a length-to-width rati greater than about 2.0, a length-to-thickness ratio grea... | 08/02/1988 |
| 4758328 | Shock calcined aluminosilicate zeolites A process for producing a thermally shock calcined aluminosilicate zeolite comprising (A) precalcining an aluminosilicate zeolite at a relatively low temperature, (B) very rapidly increasing the temperature of the aluminosilicate zeolite to a relatively h... | 07/19/1988 |
| 4758327 | Shock calcined crystalline silica catalysts A process for producing a thermally shock calcined crystalline silica comprising (A) precalcining a crystalline silica at a relatively low temperature, (B) very rapidly increasing the temperature of the crystalline silica to a relatively high temperature ... | 07/19/1988 |
| 4747935 | Process for the catalytic cracking of feedstocks containing nitrogen Hydrocarbon feedstocks containing relatively high levels of nitrogen contaminants are converted by catalytic cracking to products of lower average molecular weight by contacting the feedstock with a mixture of a cracking catalyst and separate particles of... | 05/31/1988 |
| 4743355 | Process for producing a high quality lube oil stock A waxy hydrocarbon feedstock is converted into a high quality lube oil stock of reduced pour point by hydrodewaxing the feedstock in the presence of molecular hydrogen and a hydrodewaxing catalyst under conditions such that the pour point of the feedstock... | 05/10/1988 |
| 4743354 | Process for producing a product hydrocarbon having a reduced content of normal paraffins A waxy hydrocarbon feedstock is converted into a product hydrocarbon of reduced normal paraffin content by either dewaxing or hydrodewaxing the feedstock in the presence a dewaxing or hydrodewaxing catalyst under conditions such that the normal paraffin c... | 05/10/1988 |
| 4731174 | Process for cracking nitrogen-containing feedstocks Hydrocarbon feedstocks containing relatively high levels of nitrogen contaminants are converted to products of lower average molecular weight by first mixing the feedstock with a dicarboxylic acid such as oxalic acid and then contacting the resultant mixt... | 03/15/1988 |
| 4727657 | Declined bed contactor An apparatus for contacting solids with gases, preferably a needle coke preheater, which includes an elongated housing having an entrance and an exit and means for introducing solids into the entrance of the housing. A bed support divides the housing into... | 03/01/1988 |
| 4722986 | Acid catalysts and methods of use Compositions containing sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H2 SO4 molar ratio is below 2 contain the mono-adduct of sulfuric acid which is catalytically active for ... | 02/02/1988 |
| 4708786 | Process for the catalytic cracking of nitrogen-containing feedstocks Hydrocarbon feedstocks containing relatively high levels of nitrogen contaminants are converted by catalytic cracking to products of lower average molecular weight by contacting the feedstock with a mixture of a cracking catalyst and separate particles of... | 11/24/1987 |
| 4705432 | Apparatus for preparing sulfur particles having uniform size distribution The invention is a process and apparatus useful for preparing a porous, particulate sulfur by combining a coherent molten sulfur stream with a coherent water stream to provide an aqueous slurry of a porous, particulate sulfur having a uniform particle siz... | 11/10/1987 |
| 4698443 | Biuret purification Purified biuret is recovered from mixtures containing biuret and higher molecular weight urea condensation products by contacting melts or solutions of such mixtures with a polar adsorbent and extracting biuret from the adsorbent with a polar desorbent. T... | 10/06/1987 |
| 4695373 | Extraction of hydrocarbon-containing solids Hydrocarbon liquids are recovered from oil shale and other solids containing organic material by heating the solids to a temperature below about 900° F., preferably between about 550° F. and about 900° F., in the absence of an added liquid organic solv... | 09/22/1987 |
| 4695368 | Process for producing high octane gasoline A process for producing a high octane gasoline from a hydrocarbon feedstock in which the feedstock is contacted in the presence of hydrogen under hydrocracking conditions, preferably ammonia-rich hydrocracking conditions, with a hydrocracking catalyst com... | 09/22/1987 |
| 4689137 | Hydrocracking catalyst of improved activity A catalyst composition composed of a crystalline aluminosilicate Y zeolite, normally having a silica-to-alumina mole ratio of about 6.2 or above, in combination with a porous, inorganic refractory oxide. The Y zeolite contains ion-exchanged rare earth cat... | 08/25/1987 |
| 4686204 | Sorbent for reducing sulfur oxide emissions from catalytic cracking units and process for producing the sorbent A sulfur sorbent for use in reducing the emissions of sulfur oxides from regenerators of cyclic catalytic cracking units comprises a rare earth component or mixture of rare earth components in combination with a porous, inorganic refractory oxide componen... | 08/11/1987 |
| 4682999 | Methods for enhancing the productivity of plants The productivity of plants is enhanced by enhancing one or more physiological responses of photosynthesizing plants by contacting the foliage of such plants during the early stages, i.e. about the first half, of the grand response period for the selected ... | 07/28/1987 |
| 4675169 | Process for removing sox and nox compounds from gas streams A process for removing SOx pollutants from a stack gas by (1) absorbing the SOx pollutants into an aqueous absorbent containing a formate compound and (2) regenerating the spent absorbent containing dissolved SOx compounds... | 06/23/1987 |
| 4673522 | Methods for removing obstructions from conduits with urea-sulfuric acid compositions Acid-soluble and/or hydrolyzable obstructions are removed from conduits by contacting such obstructions with a composition containing urea and sulfuric acid in which the urea/sulfuric acid molar ratio is less than 2. The urea/sulfuric acid compositions ma... | 06/16/1987 |
| 4664717 | Methods for hydrolyzing polysaccharides and compositions useful therein Polysaccharides are at least partially hydrolyzed by contact with a composition containing urea, sulfuric acid, and water in which the urea/sulfuric acid molar ratio is less than 2. Such proportions of urea and sulfuric acid assure the presence of the mon... | 05/12/1987 |
| 4664776 | Hydrocarbon zeolite catalyst employed in hydrocracking process A hydrocarbon conversion catalyst useful for hydrocracking hydrocarbons to more valuable products comprises one or more hydrogenation components supported on a base containing (1) a crystalline aluminosilicate zeolite having activity for cracking hydrocar... | 05/12/1987 |
| 4658059 | Methods for removing biuret from urea by ion exchange Methods are provided for removing biuret from biuret-containing aqueous urea solutions which methods involve contacting a quantity of a biuret-containing aqueous urea feed solution with the hydroxide ion form of an anion exchanger under conditions suffici... | 04/14/1987 |
| 4654442 | Methods for removing biuret from urea Biuret is removed from biuret-containing aqueous urea solutions in a multi-cycle process which involves sequential (A) removal of biuret by contact with an anion exchanger and (B) regeneration of the anion exchanger, in which method, in one or more cycles... | 03/31/1987 |
| 4650901 | Ion exchange methods for removing biuret from urea Methods are provided for removing biuret from biuret-containing aqueous urea solutions by contacting the biuret-containing urea solutions with the hydroxide ion form of an anion exchanger under anion exchange conditions in which methods one or more aqueou... | 03/17/1987 |
| 4648958 | Process for producing a high quality lube oil stock A waxy hydrocarbon feedstock is converted into a high quality lube oil stock of reduced pour point by hydrodewaxing the feedstock in the presence of molecular hydrogen and a hydrodewaxing catalyst under conditions such that the pour point of the feedstock... | 03/10/1987 |
| 4645859 | Methods for purifying biuret Methods are provided for recovering purified biuret from aqueous solutions containing biuret and higher molecular weight urea condensation products by contacting such solutions with the hydroxide ion form of an anion exchanger and extracting biuret from t... | 02/24/1987 |
| 4645587 | Process for removing silicon compounds from hydrocarbon streams Silicon components are removed from a hydrocarbon stream by contacting the stream with a sorbent comprising a mixture of a copper component and a porous, inorganic refractory oxide containing alumina. Preferably, the porous, inorganic refractory oxide wil... | 02/24/1987 |
| 4645860 | Biuret manufacture Methods are provided for recovering biuret from aqueous urea solutions and for producing relatively concentrated biuret-containing extracts which involve contacting a biuret-containing aqueous urea solution with the hydroxide ion form of an anion exchange... | 02/24/1987 |
| 4642177 | Process for reducing sulfur oxide emissions from catalytic cracking units A sulfur sorbent for use in reducing the emissions of sulfur oxides from regenerators of cyclic catalytic cracking units comprises a rare earth component or mixture of rare earth components in combination with a porous, inorganic refractory oxide componen... | 02/10/1987 |
| 4623633 | Shock calcined aluminosilicate zeolites A process for producing a thermally shock calcined aluminosilicate zeolite comprising (A) precalcining an aluminosilicate zeolite at a relatively low temperature, (B) very rapidly increasing the temperature of the aluminosilicate zeolite to a relatively h... | 11/18/1986 |
| 4623636 | Shock calcined crystalline silica catalysts A process for producing a thermally shock calcined crystalline silica comprising (A) precalcining a crystalline silica at a relatively low temperature, (B) very rapidly increasing the temperature of the crystalline silica to a relatively high temperature ... | 11/18/1986 |
| 4610973 | Hydrocarbon conversion catalyst A hydrocarbon conversion catalyst useful for hydrocracking hydrocarbons to more valuable products comprises one or more hydrogenation components supported on a base containing (1) a crystalline aluminosilicate zeolite having activity for cracking hydrocar... | 09/09/1986 |
| 4604373 | Hydrocracking catalyst of improved activity A catalyst composition composed of a crystalline aluminosilicate Y zeolite, normally having a silica-to-alumina mole ratio of about 6.2 or above, in combination with a porous, inorganic refractory oxide. The Y zeolite contains ion-exchanged rare earth cat... | 08/05/1986 |
| 4604187 | Hydrocracking with rare earth-containing Y zeolite compositions Y Zeolites are prepared with rare earth cations and Group VIII metal cations exchanged thereinto, such zeolites being especially useful in hydrocracking catalysts. The zeolites of the invention are prepared by exchanging a sodium Y zeolite with cations of... | 08/05/1986 |
| 4604019 | System for removing solids from a solids upflow vessel An apparatus for removing solids from a solids upflow vessel, preferably an upflow retort, which includes a horizontally reciprocatable carriage containing a vertical feed cylinder that extends downward from a horizontal seal plate. A vertically reciproca... | 08/05/1986 |
