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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 5958192 | Purification of propylene oxide using ethylene glycol monomethyl ether as an extractive distillation agent An extractive distillation agent used for the distillation of propylene oxide contaminated with water, acetone, acetaldehyde and methanol and consisting essentially of ethylene glycol monomethyl ether is fed to an extractive distillation column within abo... | 09/28/1999 |
| 4957187 | Gear-driven lubricant circulation system A degasser for removing contaminating gases from an aqueous fluid including a motor having a depending drive shaft, a hollow gear box casing having a lubricant inlet port formed therein adjacent the top thereof, a reduction gear arrangement comprising a s... | 09/18/1990 |
| 4930571 | Heat recovery apparatus A heat recovery system for at least partially cooling and at least partially cleaning an exhaust stream of hot air from a heating operation which is contaminated with vaporized, condensable liquids and with finely divided particulate solids comprising (a)... | 06/05/1990 |
| 4928749 | Heat exchange recovery method A heat recovery method for at least partially cooling and at least partially cleaning an exhaust stream of hot air from a heating operation which is contaminated with vaporized, condensable liquids and with finely divided particulate solids comprising (a)... | 05/29/1990 |
| 4845251 | Epoxidation in the presence of molybdenum/alkali metal/ethylene glycol complexes [useful as epoxidation catalysts] Complexes are made by reacting a solid ammoniummolybdate and a solid alkali metal molybdate with ethylene -glycol. Stripping of water of reaction subsequent to complex formation is preferred. The ratio of moles of alkylene glycol to total gram atoms of mo... | 07/04/1989 |
| 4831191 | Catalytic conversion of allyl formate to carboxylic acids Allyl formate is substantially selectively converted to isobutyric acid, n-butyric acid and/or glutaric acid by bringing the alyl formate into contact with activated carbon in the presence of carbon monoxide, water and formic acid and a halide promoted gr... | 05/16/1989 |
| 4826930 | Melamine-diamine condensates and the cure of 1,2-epoxide resins therewith Novel melamine-poly(oxyethylene or oxypropylene) diamine condensates are prepared which have the formula: ##STR1## Wherein: R represents H or R' represents H or --CH3, R" represents H or -CH3 or CH2 CH3, x repre... | 05/02/1989 |
| 4806517 | Method for making pelleted phosphated catalysts derived from group IVB transition metal oxides and catalysts thus prepared This invention is directed to novel catalyst compositions based on a pelleted group IVb transition metal oxide to which about 0.5 to about 7 wt. % of phosphorus is thermally chemically bonded by a novel process wherein the pellets are impregnated with a l... | 02/21/1989 |
| 4775519 | Removal of acid gases from gas streams Improvement are provided in accordance with the present invention by a continuous process for the treating of a gas stream containing acid gas components wherein the gas stream is counter currently contacted in an absorption zone with an aqueous solution ... | 10/04/1988 |
| 4758681 | Method of making molybdenum/alkylene glycol complexes useful as epoxidation catalysts An improved procedure for making molybdenum/ethylene glycol complexes useful as epoxidation catalysts wherein the cycle time necessary for catalyst preparation is significantly reduced by preparing a mixture of undiluted ethylene glycol with undiluted amm... | 07/19/1988 |
| 4757143 | Catalytic method for the manufacture of triethylenediamine Cyclic and acyclic hydroxyethyl ethylenepolyamines are converted to triethylenediamine when using a catalyst composed of zirconia or titania to which from about 0.5 to about 7 wt. % of phosphorous has been thermally chemically bonded in the form of phosph... | 07/12/1988 |
| 4754036 | Conjoint production of C-methyl triethylene diamine and allyl piperazine N-(hydroxypropyl) piperazine and/or N,N'-(dihydroxypropyl) piperazine can conjointly be converted to C-methyl-triethylenediamine and allyl piperazine with excellent conjoint yield and selectivity when using a catalyst composed of titania to which from abo... | 06/28/1988 |
| 4742179 | Catalytic removal of peroxide contaminants from tertiary butyl alcohol Motor-fuel grade tertiary butyl alcohol contaminated with residual amounts of tertiary butyl hydroperoxide and ditertiary butyl peroxide (which is prepared, for example, by reacting propylene with tertiary butyl hydroperoxide to form propylene oxide and a... | 05/03/1988 |
| 4736011 | Mannich condensates as epoxy curing agents Mannich condensates prepared from an imidazole, formaldehyde and a polyalkylene polyamine are useful as curing agents for epoxy resins. Preferably, a diamine is reacted with the imidazole and formaldehyde, as illustrated by the following formula: ##STR1##... | 04/05/1988 |
| 4727143 | Method for the selective manufacture of N,N'-dimethyl piperazine Piperazine, in solution in methanol may be substantially selectively converted to N,N'-dimethyl piperazine when using a catalyst composed of titania to which from about 0.5 to about 7 wt. % of phosphorous has been thermally chemically bonded in the form o... | 02/23/1988 |
| 4722919 | Synthesis of vanadium/propylene glycol complexes Complexes made by reacting propylene glycol with a vanadium compound soluble therein at an elevated temperature. Mild stripping of the water subsequent to complex formation is preferred. The ratio of moles of propylene glycol to gram atoms of vanadium in ... | 02/02/1988 |
| 4710362 | Selective recovery of carbon dioxide Carbon dioxide is selectively removed from an acid gas stream containing carbon dioxide and sulfur-containing components including hydrogen sulfide by counter-currently contacting the acid gas stream with an aqueous solution of a treating agent in order t... | 12/01/1987 |
| 4705903 | Catalytic decomposition of impurities in tertiary butyl alcohol Motor-fuel grade tertiary butyl alcohol which is prepared, for example, by reacting propylene with tertiary butyl hydroperoxide to form propylene oxide and a tertiary butyl alcohol reaction product contaminated with residual amounts of tertiary butyl hydr... | 11/10/1987 |
| 4683962 | Spinner for use in connecting pipe joints A spinner for rotating a pipe, such as a spinner mandrel, including a chambered frame having aligned openings through which the pipe can be inserted, drive assembly, such as a sprocket, rotatably mounted in the chamber, endless flexible spinning member, s... | 08/04/1987 |
| 4683335 | Catalytic process for the preparation of linear polyethylenepolyamines with tungstophosphoric acid-or molybdophosphoric acid-on-titania catalysts This invention is directed to novel catalyst compositions based on titania pellets on which a minor amount of tungstophosphoric acid or molybdophosphoric acid is deposited. Also, the invention is directed to a process for preparing predominantly linear po... | 07/28/1987 |
| 4675441 | Preparation of N-substituted acrylamides This invention is directed to novel catalysts characterized as compounds of tin or zinc containing a direct metal-nitrogen bond. The novel catalysts are derived from a primary or secondary amine such as an alkyl amine, a heterocyclic amine, an aromatic am... | 06/23/1987 |
| 4668251 | Mud pump degassing and supercharging apparatus A modified drilling mud degasser is used to simultaneously degas drilling mud delivered thereto from a mud tank and to supercharge a mud pump to which the degassed mud is delivered. This is accomplished through the provision of a drilling mud degasser and... | 05/26/1987 |
| 4642303 | Catalyst composition The present invention is directed to catalyst compositions containing nickel, copper, chromium and iron which are useful for promoting reductive amination reactions, such as the conversion of feedstocks containing one or more hydroxyl groups to correspond... | 02/10/1987 |
| 4609385 | Multi stage water deoxygenator A plural stage subatmospheric water deoxygenator of the type wherein oxygen-containing water charged through a water feedline is sprayed into a vacuum chamber for the removal of oxygen therefrom which also includes first stage vacuum chamber means includi... | 09/02/1986 |
| 4539013 | Process for treating gasoline or gasohol by contact with KF or K2 CO3 A water-containing fuel boiling in the gasoline boiling range, such as gasoline or gasohol, is contacted with a substantially saturated aqueous solution of potassium fluoride (or carbonate) plus solid potassium fluoride (or carbonate) and dry fuel is reco... | 09/03/1985 |
| 4514693 | Dielectric well logging system with electrostatically shielded coils Transmitting and receiving coils for radio frequency (RF) dielectric well logging are shielded in copper enclosures to substantially remove unwanted electrostatic or capacitive signals introduced by the conductive fluids in the well bore.... | 04/30/1985 |
| 4479810 | Partial oxidation system A partial oxidation control system for continuously producing synthesis gas, fuel gas or reducing gas in which one process fuel is replaced by a different fuel without shutting down or depressurizing the gas generator. Suitable burners for introducing the... | 10/30/1984 |
| 4476339 | Dehydrogenation process using a rhodium catalyst Steam dehydrocyclization of paraffinic hydrocarbons to aromatic hydrocarbons is effected in the presence of supported catalyst, typically bearing rhodium and preferably chromium and potassium, and characterized by a pH less than about 8.... | 10/09/1984 |
| 4474581 | Trim control system for partial oxidation gas generator Trim control of a partial oxidation gas generator for the production of synthesis gas, reducing gas, or fuel gas is effected by two improved control schemes which are automatically operated separately or in sequence. The control systems include sensors se... | 10/02/1984 |
| 4474582 | Trim control system for partial oxidation gas generator Trim control of a partial oxidation gas generator for the production of synthesis gas, reducing gas, or fuel gas is effected by two improved control schemes which are automatically operated separately or in sequence. The control systems include sensors se... | 10/02/1984 |
| 4474704 | Novel process A novel catalyst, possessing phase transfer properties contains an alumina or silica substrate bearing poly(oxyethylene) or poly(oxypropylene) moieties bonded through a silicon atom to the substrate.... | 10/02/1984 |
| 4469451 | Method and apparatus for measuring temperature of an earth formation in the presence of a radio frequency electromagnetic field A method and apparatus for measuring the temperature in a subsurface earth formation that is being heated in situ by subjection to a radio frequency electromagnetic field. It includes lowering a maximum registering thermometer into the formation on a non-... | 09/04/1984 |
| 4468376 | Disposal process for halogenated organic material A method for disposing of a halogenated organic material includes the steps of partially oxidizing the halogenated organic material, a hydrocarbonaceous material, and a nitrogen compound with a free-oxygen containing gas and optionally with a temperature ... | 08/28/1984 |
| 4468613 | Apparatus for detecting corrosion rate A method of measuring the rate of corrosion of a metallic structure that is subjected to a corrosive ambience. It subjects a thin metallic enclosure to the same ambience as the metallic structure is subjected to. The thin enclosure is subjected to the amb... | 08/28/1984 |
| 4468761 | Noise suppression method A method, when practiced, enhances seismic data so as to suppress noise in the seismic data. The seismic data was generated in a conventional manner by at least one receiver apparatus whose position does not substantially change. The method includes combi... | 08/28/1984 |
| 4467459 | Seismic method improving signal-to-noise ratio A method for improving signal-to-noise ratio in seismic surveying. It involves generating a series of seismic charges at time spaced intervals but at the same location. A single record is made having a time duration sufficient to cover the maximum reflect... | 08/21/1984 |
| 4466808 | Method of cooling product gases of incomplete combustion containing ash and char which pass through a viscous, sticky phase Hot gases containing ash and char which pass through an undesirable viscous, sticky phase on cooling through an intermediate temperature range, are cooled in a first cooling zone including a falling film of cooling liquid and a spray of cooling liquid fol... | 08/21/1984 |
| 4458524 | Crude oil production stream analyzer A crude oil production stream analyzer includes a device which measures the dielectric constant of the crude oil production stream and provides a signal corresponding thereto. A densitometer provides a density signal representative of the density of the c... | 07/10/1984 |
| 4458754 | Method and system for automatically raising product from a heated well A method or system for raising gas and liquid from a well used in in situ heating of a formation. Such heating may be done by radio frequency having an appropriate wave length in the earth e.g. about fifteen meters. The well has a production tube suspende... | 07/10/1984 |
| 4434852 | Method of enhanced oil recovery employing nitrogen injection Disclosed is a process for the recovery of oil from a subterranean oil reservoir by miscible displacement using a predominantly nitrogen-containing gaseous displacing fluid which may contain lesser quantities of carbon dioxide. The miscibility of the firs... | 03/06/1984 |
