Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4274962 | Apparatus for treating radioactive concentrates An apparatus is provided for treating various radioactive concentrates having a liquid component, such as suspensions and salt solutions, which are present separately in a processing plant from evaporation systems, resin bead ion exchange filters, and fro... | 06/23/1981 |
| 4240909 | Borane reducing resins for removal of metal ions This invention relates to solid nonionic crosslinked resins containing amine or phosphine borane adducts and their use as reducing agents for metal ions.... | 12/23/1980 |
| 4236974 | Process and apparatus for purifying waste waters A process and apparatus for purifying waste water which comprises introducing said waste water into a separation zone, removing a portion of the impurities recovered from said separation zone, and concentrating said impurities by their introduction into a... | 12/02/1980 |
| 4235737 | Method for treating radioactive liquids A process for treating and handling radioactive liquids and rendering such liquids safe for handling, transportation and disposal, the process comprising adding thereto a small amount of a water-insoluble alkali salt of an aqueous alkali saponified gelati... | 11/25/1980 |
| 4235712 | Removal of anionic surfactants from water A method of removing specific water-soluble anionic surfactants from water is disclosed. Briefly, the method comprises forming an emulsion by adding a nonionic surfactant and a hydrocarbon to the water and anionic surfactant. The emulsion is broken, with ... | 11/25/1980 |
| 4234423 | Energy recovery system The present invention is directed to an improved wet air oxidation system and method for reducing the chemical oxygen demand (COD) of waste water used from scrubbers of coal gasification plants, with this COD reduction being sufficient to effectively elim... | 11/18/1980 |
| 4231868 | Process for dewatering mineral and coal concentrates Mineral and coal concentrates are effectively dewatered by a process wherein there is employed a dewatering aid comprising of an N-substituted sulfosuccinamate. The process provides for mixing the dewatering aid to an aqueous slurry of the concentrate and... | 11/04/1980 |
| 4230581 | Centrifugal separators A centrifugal separator for removing a dispersed solid from a liquid phase by the combined action of a cyclone and a centrifuge, the centrifuge being mounted co-axially on the cyclone.... | 10/28/1980 |
| 4230562 | Method for depolluting fresh water and salt water bodies from crude oil, petroleum products and their derivatives A method and a few compositions are disclosed, which are adapted to depollute fresh and sea water bodies from crude oil and petroleum product pollution by microbial action. The growth of micro-organisms capable of metabolizing hydrocarbons is exalted by c... | 10/28/1980 |
| 4230563 | Treatment of biologically-degradable waste Method for treating sewage, wherein sewage is circulated around a system comprising a downcomer and a riser communicating with each other at their upper and lower ends, the downcomer having an upper portion of enlarged cross-section and the riser having a... | 10/28/1980 |
| 4229294 | Hydroxypropylene-amino-phosphonic-sulfonic acids for inhibiting scale formation This invention relates to the use of compounds for inhibiting scale formation, said compounds being characterized by the presence of N-methyl, or substituted methyl, phosphonic acid and N-hydroxy-propylenesulfonic acid groups. These compounds contain at l... | 10/21/1980 |
| 4229293 | Dewatering of slimes from phosphate ores The aqueous slime waste product of a phosphate ore beneficiation process is dewatered by agglomerating the solids thereof using a conditioner and a hydrophobic bridging liquid.... | 10/21/1980 |
| 4229295 | Solidification of aqueous sludge A process for treating aqueous sludge comprising a slurry of clay minerals and silica in water includes rapidly dispersing throughout the sludge at least one additive compound selected from the group consisting of mineral acids, acid salts of alkaline ear... | 10/21/1980 |
| 4228002 | Enhanced anti-solvent sedimentation of solids from liquids using pressurized carbon dioxide gas A method for increasing the sedimentation of mineral particles in feed liquids containing the same, particularly coal-derived liquids, by the use of an anti-solvent gas pressure technique. The mixture is held under a pressurized carbon dioxide atmosphere ... | 10/14/1980 |
| 4225430 | Biological process A process for denitrifying a highly nitrogenous wastewater in the presence of high concentrations of ammonia is described. The process is based on upflow packed bed and fluidized bed reactors containing denitrifiers on the packing material. A carbon sourc... | 09/30/1980 |
| 4224151 | Preventing scale deposition from geothermal fluids A method for preventing the deposition of sulfide and/or sulfate scale during the production of a hot two-phase geothermal fluid which contains hydrogen sulfide, barium heavy and/or transition metals, and at least a critical minimum amount of calcium in s... | 09/23/1980 |
| 4224148 | Galvanic flow system for joint particulate recovery and liquid purification Solid and/or dissolved contaminants are separated from a polar liquid such as water by providing in the contaminated liquid medium a galvanically charged particulate dispersion of defined size, concentration, density and free surface energy, and then flow... | 09/23/1980 |
| 4222872 | Reclamation of molybdenum or other heavy metals from wastewater treatment skimmings Molybdenum or other heavy metal anions and ferric sulfate are reclaimed from wastewater skimmings, that result from treatment of wastewaters through formation of insoluble heavy metal ferric salts and flotation, by treating the skimmings with aqueous caus... | 09/16/1980 |
| 4221661 | Method of dehydrating organic sludge A method of dehydrating an organic sludge, which comprises adjusting the pH value of a sludge having a solids concentration in the range of from 0.5 to 8% by weight, to a pH of 5 or less, heating the thus adjusted sludge, mixing with the sludge an oxidize... | 09/09/1980 |
| 4220528 | Process for disoxidating gas or water A process for disoxidating a gas which comprises contacting a gas being inert to hydrazines with a solution containing (A) at least one of hydrazines and (B) at least one of (i) quinones having a first half-wave potential of not more than -650 mV against ... | 09/02/1980 |
| 4219416 | Process for recovering molybdenum and tungsten from mining wastewater A process for removal of heavy metals in their anionic state, particularly tungsten and molybdenum, from industrial mining wastewater by chemical precipitation of the heavy metal values, followed by gas flotation.... | 08/26/1980 |
| 4218315 | Oxidation and adsorption method for removing contaminating substances from liquids The specification describes an oxidation and adsorption method for removing contaminating materials (pollutants) from aqueous liquids. The liquids are first subjected to an electrochemical treatment for the purpose of coagulation or agglomeration and part... | 08/19/1980 |
| 4218316 | Method of clarifying and removing water from water-solids suspensions A method of clarifying and removing water from water-solids suspensions wherein the solids are formed into flocculent masses and clarified water is continuously removed by the withdrawal thereof through a screen.... | 08/19/1980 |
| 4217215 | Process for flocculation using crosslinked polysulfonium compounds Water-soluble cross-linked cationic polysulfonium derivatives of poly(thiodiethanol)ethers are useful flocculants for suspended solids in aqueous medium.... | 08/12/1980 |
| 4217214 | High molecular weight polyvinylamine hydrochloride as flocculant High molecular weight polyvinylamine hydrochloride for use as a flocculating agent in waste water systems is disclosed.... | 08/12/1980 |
| 4217209 | Process for removing heavy metal sulphides from aqueous systems The invention relates to a method for removing heavy metal sulphides from dilute aqueous systems as they are present in numerous chemical processes. The method is characterized in that water-soluble polymers such as polyethyleneimines, homopolymers or cop... | 08/12/1980 |
| 4212732 | Raw liquid waste treatment process A raw sewage treatment process is disclosed in which substantially all the non-dissolved matter, which is suspended in the sewage water is first separated from the water, in which at least organic matter is dissolved. The non-dissolved material is pyrolyz... | 07/15/1980 |
| 4212734 | Inhibiting scale with amino-phosphonic-sulfonic acids This invention relates to compounds characterized by the presence of N-methyl, or substituted methyl, phosphonic acid and N-propylenesulfonic acid groups. These compounds contain at least one or more of each group and are bonded to the same or different a... | 07/15/1980 |
| 4211651 | Water reclamation process Dirty process water is collected from a process unit and introduced into a raw water holding tank. Water from the tank is passed at a uniform rate through a flotation cell where solids are frothed by flocculation and aeration and removed. The flocculating... | 07/08/1980 |
| 4211646 | Waste water process A method is provided for the treatment of a waste water stream characterized by having toxic and corrosive properties due to the presence of a cyanides formates and a halide of a metal or ammonia comprising adding a ferrous ion to said waste water to conv... | 07/08/1980 |
| 4211650 | Water reclamation process Dirty process water is collected from a process unit and introduced into a raw water holding tank. Water from the tank is passed at a uniform rate through a flotation cell where solids are frothed by flocculation and aeration and removed. The flocculating... | 07/08/1980 |
| 4211652 | Water reclamation process Dirty process water collected from a process unit is held in a raw water holding tank. Air and process chemicals enter the system in this tank. Water from the tank passes at a uniform rate through a flotation cell where solids are frothed by flocculation ... | 07/08/1980 |
| 4211655 | Upflow filter construction An upflow filter usable with a home sewage treatment plant, and including a container therefor. The container comprises a dividing wall extending thereacross dividing it into first and second filtering chambers, each of which has a grating therein serving... | 07/08/1980 |
| 4210531 | Process for dewatering mineral concentrates Treatment of a slurry of a mineral concentrate with a flocculant followed by a combination of an anionic surfactant and a water-insoluble organic liquid provides reduced moisture content upon dewatering the thus-treated slurry.... | 07/01/1980 |
| 4209397 | Flocculants for aqueous systems A method of producing floc in an aqueous system by the addition to said system of a capped or terminated quaternary ammonium compound or mixture of such compounds.... | 06/24/1980 |
| 4209395 | Process for slow softening water Water having calcium compounds therein is softened by admixing an alkaline precipitating agent and finely divided crystalline calcium carbonate therewith in a mixing zone prior to the addition of a flocculating agent containing trivalent metal ions whereu... | 06/24/1980 |
| 4209398 | Water treating process A water treating agent which comprises a specific polymer containing a structural unit that is derived from a monomer having an ethylenically unsaturated bond and has one or more carboxyl radicals, at least a part of said carboxyl radicals being modified,... | 06/24/1980 |
| 4208283 | Process for treatment of waste waters A process for treating aqueous industrial or municipal effluent is described, wherein the effluent is treated with lime to a pH of at least 11.0 allowed to settle and the supernatant liquid treated with chlorine at the high pH. A substantially complete ki... | 06/17/1980 |
| 4205147 | Process for recovering modified polyvinyl alcohols from aqueous solution containing them Recovery of partially hydrolyzed copolymers of vinyl acetate and unsaturated carboxylic or sulfonic acid from aqueous solution dissolving them by adding an acid to the solution at a temperature of at least 40° C. and then separating the deposited copolym... | 05/27/1980 |
| 4203836 | Method and apparatus for removing precipitated suspended solids from an effluent A method and apparatus for conducting the method is provided for separating suspended solids such as, nickel, chromium, zinc, copper, iron, etc., from a liquid containing such solids. The method comprises contacting such a liquid containing suspended soli... | 05/20/1980 |
