An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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 |
| 4081405 | Preparation of catalysts of predetermined pore size distribution and pore volume An improved process for the production of catalysts comprised of a metal hydrogenation component, or components, composited with high pore volume alumina, with pores of narrow pore size distribution, wherein macropore volume is drastically reduced by impr... | 03/28/1978 |
| 4081406 | Preparation of catalysts of predetermined pore size distribution and pore volume An improved process for the production of catalysts comprised of a metal hydrogenation component, or components, composited with high pore volume alumina, with pores of narrow pore size distribution, wherein macropore volume is drastically reduced by impr... | 03/28/1978 |
| 4073750 | Method for preparing a highly dispersed supported nickel catalyst This invention relates to a method for making supported nickel catalysts which are characterized as having the nickel in a highly dispersed state, the catalysts and use thereof in hydrogenation, reforming and hydrocarbon synthesis reactions, for example, ... | 02/14/1978 |
| 4065484 | Methanation process with intermittent reactivation of catalyst A process is provided for the hydrogenation of carbon monoxide and/or carbon dioxide to form methane (methanation), using certain sulfur-sensitive nickel-alumina catalysts having a relatively low ratio of nickel surface area to nickel mass. It has been fo... | 12/27/1977 |
| 4064152 | Thermally stable nickel-alumina catalysts useful for methanation Nickel-alumina catalysts having a remarkably high degree of thermal stability, and active for the hydrogenation of carbon oxides (methanation), are prepared by a novel "precipitative-occlusion" method. This method involves digesting a slurry of an alumina... | 12/20/1977 |
| 4046833 | Dehydrogenation of paraffins A process for the dehydrogenation of paraffinic hydrocarbons containing from 3 to 6 carbon atoms to the corresponding monoolefin, wherein the process is carried out in the vapor phase, in the presence of oxygen and in the presence of an improved oxidative... | 09/06/1977 |
| 4043945 | Method of producing thin layer methanation reaction catalyst A catalyst layer is formed on the metallic surface of a structure constructing a reactor by diffusing a developable metal into the structure by the pack cementation method and developing the diffused metal. The catalyst layer is metallurgically combined w... | 08/23/1977 |
| 4042532 | Thermally stable nickel-alumina catalysts useful for methanation and other reactions and method for the manufacture of said catalysts Nickel-alumina catalysts having a remarkably high degree of thermal stability, and active for the hydrogenation of carbon oxides (methanation), steam reforming, gasification, etc. are prepared by a novel "precipitative-occlusion" method. This method invol... | 08/16/1977 |
| 4040981 | Process for producing denitrating catalysts A denitrating catalyst is produced by plating the surface of unactivated metal with aluminum and immersing the resulting layered product in an aqueous aluminum-dissolving solution to dissolve out the aluminum into the aqueous solution and to thereby activ... | 08/09/1977 |
| 4031106 | Synthesis of aromatic amines by reaction of aromatic compounds with ammonia An improved process is provided for producing an aromatic amine from ammonia and an aromatic compound which comprises reacting the aromatic compound with ammonia at a temperature of from about 150° C. to about 500° C. and at a pressure of from about 10 ... | 06/21/1977 |
| 4016108 | Preparation of catalysts of predetermined pore size distribution and pore volume A process for the formation of a catalyst of predetermined pore size distribution and pore volume of precipitation and formation of an alumina hydrogel from a solution which contains a hydrous form of alumina, in 1-5 wt. % concentration, and an anion that... | 04/05/1977 |
| 3998758 | Supported catalyst A novel supported catalyst is described. The catalyst contains (a) a ceramic sponge support having internal surfaces comprised of the walls of cavities randomly dispersed throughout the sponge support and the walls of intersticial passageways connecting s... | 12/21/1976 |
| 3993599 | Process for preparing a heavy crude conversion catalyst This invention relates to novel catalysts, of two distinct types, useful for the catalytic hydroconversion of the 1050° F.+ hydrocarbon material contained in heavy crudes and residua such that the resulting product will be suitable for further processing... | 11/23/1976 |
| 3993554 | Method of producing n-paraffin oximes A process for converting mixtures of C6 to C30 n-paraffin and n-paraffin by-products to substantially pure n-paraffin which comprises catalytically hydrogenating the mixture at a temperature of from about 600° to 750° F. in the pre... | 11/23/1976 |
| 3993598 | Process for preparing a heavy crude conversion catalyst This invention relates to novel catalysts, of two distinct types, useful for the catalytic hydroconversion of the 1050° F.+ hydrocarbon material contained in heavy crudes and residua such that the resulting product will be suitable for further processing... | 11/23/1976 |
| 3993601 | Process for preparing a heavy crude conversion catalyst This invention relates to novel catalysts, of two distinct types, useful for the catalytic hydroconversion of the 1050° F.+ hydrocarbon material contained in heavy crudes and residua such that the resulting product will be suitable for further processing... | 11/23/1976 |
| 3989645 | Process for preparing a heavy crude conversion catalyst This invention relates to novel catalysts, of two distinct types, useful for the catalytic hydroconversion of the 1050° F.+ hydrocarbon material contained in heavy crudes and residua such that the resulting product will be suitable for further processing... | 11/02/1976 |
| 3988262 | Methanation catalyst and process for preparing the catalyst The invention concerns a methanation catalyst essentially consisting of nickel on a porous support containing alumina and zirconia in a weight ratio of from 1:2.0 to 1:0.05. This catalyst has good activity at low temperatures and good stability at high te... | 10/26/1976 |
| 3984353 | Method for preparing oxygen compounds of antimony with metals This invention relates to the method for preparing oxygen compounds of antimony with metals. According to the invention, the method for preparing oxygen compounds of antimony with metals consists in oxidation of antimony trioxide by hydrogen peroxide at a... | 10/05/1976 |
| 3978004 | Catalysts for the treatment of gases containing various derivatives of sulphur Catalysts for Claus reaction treatment of industrial gases containing hydrogen sulphide and sulphur dioxide in which the catalyst has a specific surface area of at least 80 sq.m./g and is composed of activated alumina and a compound of lanthanum, a lantha... | 08/31/1976 |
| 3965045 | Iron catalyst An improved iron catalyst is provided which is useful in catalytically synthesizing hydrocarbons from carbon monoxide and hydrogen. The catalyst comprises a calcined and reduced mixture of magnetite and alumina derived from water hydrolysis of aluminum al... | 06/22/1976 |
| 3945944 | Catalyst for the production of hydrogen and/or methane A cobalt promoted nickel catalyst supported on refractory material and a process employing said catalyst for the production of hydrogen-containing gases, such as synthesis gas, reducing gas or town's gas, or for the production of methane-enriched gases, s... | 03/23/1976 |
| 3941721 | Catalyst for the manufacture of gases containing methane The compound Ni6 Al2 (OH)16. CO3. 4H2 O is isolated from aqueous solution. The catalyst is obtained from this compound by drying, calcination and subsequent reduction in a stream of hydrogen, whilst m... | 03/02/1976 |
| 3933883 | Methanation catalyst and process of use The methanation reaction, that is, the conversion of carbon monoxide and hydrogen to methane and a water byproduct is conducted at a temperature of 120° to 500°C and a pressure of 100 psig to 2000 psig in the presence of a catalyst consisting of nickel ... | 01/20/1976 |
| 3933685 | Method for producing catalyst impregnated alumina extrudates An improvement in a method for producing alpha alumina monohydrate extrudates by mixing acid, water, and alpha alumina monohydrate to form an extrudable mixture; extruding the mixture to produce green alpha alumina monohydrate extrudates and drying the gr... | 01/20/1976 |