Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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 |
| 4857495 | Hydrocracking catalysts and processes employing silicoaluminophosphate molecular sieves Hydrocracking processes are disclosed using catalysts comprising silicoaluminophosphates of U.S. Pat. No. 4,440,871 characterized in the calcined form by an adsorption of oxygen of at least 4 percent by weight at a partial pressure of 100 torr and a tempe... | 08/15/1989 |
| 4857171 | Hydrocarbon conversion process and catalysts A process for converting hydrocarbon oils into products of low average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a m... | 08/15/1989 |
| 4855036 | Catalytic cracking process Catalytic cracking processes wherein the cracking catalysts are prepared by: (1) contacting a mixture of a large pore zeolite and an inorganic oxide matrix at effective conditions of temperature, pH and time with a fluoro salt; and (2) ammonium exchanging... | 08/08/1989 |
| 4840930 | Method for preparing acid stable zeolites and high silica zeolites prepared by it Zeolite Y and other faujasite type zeolites are made stable to acid by calcination in a steam-containing atmosphere with a slow, controlled heating rate in the temperature range at which chemically bound water in the zeolite is given off, generally from 5... | 06/20/1989 |
| 4840724 | Process for cracking hydrocarbon feeds There is disclosed a process for cracking a hydrocarbon feed in the presence of a fluidizable cracking catalyst composition containing a sepiolite, an ultrastable Y-zeolite and a matrix material, characterized in that the hydrocarbon feed is metal-free.... | 06/20/1989 |
| 4839319 | Hydrocarbon cracking catalysts and processes for utilizing the same A catalyst is provided which comprises a phosphorus-treated ultrastable Y-type crystalline zeolite and a non-zeolitic inorganic oxide matrix. A catalytic cracking process utilizing the catalyst is also provided.... | 06/13/1989 |
| 4834865 | Hydrocracking process using disparate catalyst particle sizes Disclosed is a hydrocracking process employing a plurality of reaction zones wherein at least one reaction zone contains a small nominal size hydrocracking catalyst (10 to 16 U.S. Sieve mesh size) and wherein the catalyst situated upstream of the small no... | 05/30/1989 |
| 4830999 | Zeolite containing entrapped anionic material A composition comprising a crystalline aluminosilicate zeolite having entrapped therein as an ion pair an anionic material having the formula MLn-n+m, wherein M is a metal, L is an anionic ligand, which coordinates more strongly to M... | 05/16/1989 |
| 4830998 | Hydrocarbon isomerization catalyst, process for its preparation, and use thereof Catalysts for the isomerization of hydrocarbons, particularly normal paraffins having from 4 to 7 carbon atoms, as well as a process for the preparation of the catalyst and a process for their use in the isomerization of such hydrocarbons are disclosed. T... | 05/16/1989 |
| 4828679 | Octane improvement with large size ZSM-5 catalytic cracking Octane and total yield improvement in catalytic cracking of petroleum fractions under cracking conditions can be obtained by adding to conventional cracking catalysts small amounts of an additive catalyst comprising a class of zeolites characterized by a ... | 05/09/1989 |
| 4824815 | Cracking catalysts containing strontium carbonate This invention relates to a catalyst suitable for use in a fluid catalytic process and a method of using the catalyst on hydrocarbons containing one or more poison metal of vanadium or nickel to convert the hydrocarbons to lower boiling fractions. The cat... | 04/25/1989 |
| 4820402 | Hydrocracking process with improved distillate selectivity with high silica large pore zeolites A hydrocracking process in which improved selectivity for the production of distillate range (165° C.-343° C.) products is obtained by the use of a catalyst containing a highly siliceous large pore zeolite as the acidic component. Suitable zeolites incl... | 04/11/1989 |
| 4814316 | Novel catalyst composition, and processes for making and using same A fluid catalytic cracking (FCC) catalyst comprising a microporous crystalline multi-compositional, multiphase composite of SAPO-37 molecular sieve as a phase thereof in contiguous relationship with a different microporous faujasitic crystalline molecular... | 03/21/1989 |
| 4801567 | Oxidation catalyst An oxidation catalyst of large surface area for converting C4 to C10 hydrocarbons to maleic anhydride comprises the oxides of vanadium, phosphorus and, optionally and preferably, tin, in combination with a microporous crystalline sil... | 01/31/1989 |
| 4797195 | Three zone hydrocracking process Disclosed is a hydrocracking process wherein the feedstock is contacted in a first reaction zone with a first reaction zone catalyst comprising a nickel component and a molybdenum component deposed on a support consisting essentially of a refractory inorg... | 01/10/1989 |
| 4797196 | Hydrocracking process using special juxtaposition of catalyst zones Disclosed is a hydrocracking process wherein the feedstock is first contacted with a first catalyst containing a nickel component and a tungsten component supported on a support containing alumina and a crystalline molecular sieve followed by subsequent c... | 01/10/1989 |
| 4794095 | Catalytic cracking catalyst A composition of matter, suitable as cracking catalyst, comprises zeolite, silica matrix and vanadium oxide(s) at a level of at least 0.2 weight-% V. A process for preparing the above composition of matter comprises the steps of contacting zeolite in a si... | 12/27/1988 |
| 4783433 | Selective adsorbent for CO and method of manufacturing the same This invention proposes an adsorbent containing mainly Cu(I) ion-exchanged and carried in a cation exchange site of a zeolite at an ion exchange ratio of not less than 50%, the zeolite having a silica/alumina ratio of not more than 10, and a salt of a lea... | 11/08/1988 |
| 4778666 | Crystallization method employing microwave radiation A crystallization process employing microwave energy is described. The process is especially useful in the manufacture of porous crystalline materials.... | 10/18/1988 |
| 4775396 | Selective adsorption of CO2 on zeolites Carbon dioxide is selectively adsorbed and separated from non-acidic gases such as nitrogen, hydrogen and methane using a pressure swing adsorption process in a fixed adsorption bed containing a faujasite type of zeolitic aluminosilicate containing at lea... | 10/04/1988 |
| 4762537 | Adsorbent for HCl comprising alumina and acid-treated Y zeolite A composite HCl adsorbent comprising about 50-95 wt % alumina and about 5-50 wt % Y zeolite wherein the molar ratio of SiO2 to Al2 O3 is about 4.5-6.0. The adsorbent is produced by admixing particles of alumina and acid-tr... | 08/09/1988 |
| 4751211 | Composite adsorbent for removing acids from organophosphate functional fluids A composite adsorbent useful for reducing the acidity and moisture content of used organophosphate functional fluids. The adsorbent is a powder having an average particle size of about 20-500 microns and total pore volume of at least about 0.40 cm3 | 06/14/1988 |
| 4745095 | Process for preparation of hydrogen-ion-exchanged dealuminated mordenite Hydrogen ion-exchanged dealuminated mordenite having a reduced alumina content is advantageously prepared by filtering a crystallization slurry composed of a crystallization mother liquor and synthetic sodium type mordenite and obtained when the crystalli... | 05/17/1988 |
| 4740292 | Catalytic cracking with a mixture of faujasite-type zeolite and zeolite beta Heavy oils are simultaneously subjected to cracking and dewaxing in the absence of added hydrogen using a catalyst comprising Zeolite Beta and an X or Y or other faujasite zeolite. The process is able to effect a bulk conversion of the oil, while, at the ... | 04/26/1988 |
| 4734185 | Cracking process using zeolite and silicoaluminophosphate molecular sieve Cracking catalysts and their use in cracking processes are disclosed. The cracking catalyst are prepared using mixtures of catalytic cracking catalysts containing zeolitic aluminosilicates effective in catalytic cracking and selected silicoaluminophosphat... | 03/29/1988 |
| 4714601 | Process for preparing a high silica faujasite aluminosilicate, ECR-4 An aluminosilicate characterized by having a faujasite structure, a silica to alumina mole ratio of at least six and bis-(2-hydroxyethyl)-dimethylammonium ions or other large tetra alkyl or hydroxy alkyl ammonium ions within the large cages of the alumino... | 12/22/1987 |
| 4711770 | Silicon substituted Y zeolite composition LZ-210 Crystalline zeolitic aluminosilicates having at least some of its original framework aluminum atoms replaced by extraneous silicon atoms and having a mole ratio of oxides in the dehydrated state of wherein M is a cation having a valence of "n"; "x" has a value... | 12/08/1987 |
| 4678651 | Process for preparation of faujasite zeolite A faujasite zeolite of a high purity and a desired silica/alumina ratio is prepared by crystallizing at an elevated temperature a reaction mixture comprising a silica source, an alumina source, and an alkali metal source, wherein a transparent faujasite g... | 07/07/1987 |
| 4672048 | Hydrocracking catalyst Hydrocracking catalysts comprise a Group VIB and/or non-noble metal Group VIII hydrogenation component in conjunction with an LZ-210 zeolite preferably of SiO2 :Al2 O3 greater than 9.0, which zeolite has been hydrothermall... | 06/09/1987 |
| 4668649 | Modified zeolite As modified zeolite is disclosed here wherein the volume occupied by pores having a diameter ranging from 50 Å to 600 Å measured by the nitrogen gas absorption method is 30% or more of the volume occupied by pores having a diameter ranging from 0 to 600... | 05/26/1987 |
| 4664780 | Hydrocarbon cracking with yttrium exchanged zeolite Y catalyst A hydrocarbon cracking catalyst comprises rare earth exchanged "Y" zeolite which has been further ion exchanged to enhance the yttrium content. The catalyst is employed in a fluid catalytic cracking process to maximize gasoline.... | 05/12/1987 |
| 4663025 | Catalytic cracking processes Hydrocarbon-containing feed streams (preferably heavy gas oils and hydrotreated residua) having an initial boiling point of at least 400° F. are catalytically cracked in the presence of a cracking catalyst comprising a faujasite-type zeolite having a uni... | 05/05/1987 |
| 4661467 | Preparation of catalyst composition comprising a boron containing crystalline material having the structure of zeolites ZSM-5, ZSM-11, ZSM-12, Beta or Nu-1 This invention relates to a method for preparing a catalyst composition comprising a synthetic boron-containing crystalline material having the structure of zeolite ZSM-5, ZSM-11, ZSM-12, Beta or Nu-1.... | 04/28/1987 |
| 4661239 | Middle distillate producing hydrocracking process A process for the production of a middle distillate fraction comprising contacting a hydrocarbon feedstock at middle distillate production conditions with a catalyst composition comprising a first modified Y zeolite component and a second modified Y zeoli... | 04/28/1987 |
| 4661334 | Preparation of zeolites 4A and/or 13X Zeolites well suited for detergency, e.g., zeolites of type A, are adopted for mass production by simultaneously continuously introducing both an aqueous solution of sodium silicate and an aqueous solution of sodium aluminate into an unagitated first reac... | 04/28/1987 |
| 4656016 | Silica-based synthetic materials containing boron in the crystal lattice and processes for their preparation The invention is concerned with particular crystalline silica materials that contain boron in the crystal lattice. These materials are useful as catalysts for many reactions.... | 04/07/1987 |
| 4632749 | Fluid catalytic cracking hydrocarbon conversion process A process is disclosed for the fluid catalytic cracking of a hydrocarbon oil which comprises contacting said oil at fluid catalytic cracking conditions with a catalyst consisting of silica, a rare earth metal component and a dealuminated zeolitic aluminos... | 12/30/1986 |
| 4610856 | Silicon substituted zeolite compositions and process for preparing same Aluminum from AlO4 -tetrahedra of as-synthesized zeolites is extracted and substituted with silicon to form zeolite compositions having higher SiO2 /Al2 O3 molar ratios and exhibiting distinctive chemical and ph... | 09/09/1986 |
| 4608236 | Process for the production of a seed mixture for faujasite synthesis A seed mixture is produced by reacting an amorphous, synthetic sodium aluminum silicate with an Na2 O-supplying compound in an aqueous system at temperatures of 10° to 35° C. (room temperature). The seed mixture exhibits a composition of Na | 08/26/1986 |
| 4606899 | Synthesis of maximum aluminum X zeolites Maximum aluminum X-type zeolite, useful as a water softening detergent builder, is produced by a relatively short term reaction at controlled temperature (on the order of 45°-75° C.) in a caustic meta kaolin reactant mixture.... | 08/19/1986 |
