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| Number | Title | Issue Date |
| 7906358 | Epitaxial growth of cubic crystalline semiconductor alloys on basal plane of trigonal or hexagonal crystal Hetero-epitaxial semiconductor materials comprising cubic crystalline semiconductor alloys grown on the basal plane of trigonal and hexagonal substrates, in which misfit dislocations are reduced by approximate lattice matching of the cubic crystal structure to under... | 03/15/2011 |
| 7906043 | Electrically conductive, optically transparent polymer/carbon nanotube composites and process for preparation thereof The present invention is directed to the effective dispersion of carbon nanotubes (CNTs) into polymer matrices. The nanocomposites are prepared using polymer matrices and exhibit a unique combination of properties, most notably, high retention of optical transparenc... | 03/15/2011 |
| 7851062 | Metal/fiber laminate and fabrication using a porous metal/fiber preform A metal/fiber laminate has a plurality of adjacent layers. Each layer is porous and includes an arrangement of fibers. At least one of the layers has its fibers coated with a metal. A polymer matrix permeates each such arrangement. ... | 12/14/2010 |
| 5985782 | Silicon substituted EMC-2 zeolite: LZ-281 Applicants have prepared a novel zeolite identified as LZ-281. This zeolite has the framework topology of zeolite EMT. The LZ-281 zeolite is prepared by removing framework aluminum atoms from EMC-2 zeolite while simultaneously replacing the aluminum atoms... | 11/16/1999 |
| 5177298 | Liquid phase adsorption process A process for the regeneration of oxygenate containing adsorbents uses regenerant streams such as LPG and isomerate products for the desorption of oxygenate compounds. The process discloses arrangements for the integration of regenerant treatment into the... | 01/05/1993 |
| 4899016 | Purification process for organic feedstocks Organic feedstocks containing at least one impurity component which is more strongly adsorbed on molecular sieve adsorbents than the host feedstock are purified of the said impurity by passage in the liquid phase through a fixed bed of the adsorbent where... | 02/06/1990 |
| 4876890 | Moisture sensing apparatus and method A moisture sensing element is disclosed which comprises an electrically continuous article comprising an inorganic crystalline composition selected from the group consisting of zeolite molecular sieves in which the molar ratio of silica to alumina is grea... | 10/31/1989 |
| 4876394 | Process for the production of methyl tert.-alkyl ethers In the production of methyl tert.-alkyl ethers by the reaction of methanol with isoalkylenes, the formation of dimethyl ether as an undesirable reaction by-product is reduced by recycling dimethyl ether to the reactor, advantageously in amounts sufficient... | 10/24/1989 |
| 4874896 | Process for the production of alkylamines This invention relates to a process for preparing an alkylamine by contacting an alcohol and at least one of ammonia, a primary amine, a secondary amine or a tertiary amine with a non-zeolitic molecular sieve under conditions effective to produce the alky... | 10/17/1989 |
| 4874590 | Catalytic reduction of nitrogen oxides This invention relates to a method for catalytically reducing one or more nitrogen oxides from a gaseous stream containing one or more nitrogen oxides and one or more sulfur oxides which comprises contacting said gaseous stream and ammonia with a micropor... | 10/17/1989 |
| 4874525 | Purification of fluid streams containing mercury Mercury is selectively removed to very low levels of concentration from fluid streams such as natural gas, cracked gas, hydrogen or naphtha by passage of the stream through an adsorbent bed containing particles of a zeolitic molecular sieve having pore di... | 10/17/1989 |
| 4874733 | Cobalt Fischer-Tropsch catalysts having improved selectivity A cobalt Fischer-Tropsch catalyst having an improved steam treated, acid extracted LZ-210 support is taught. The new catalyst system demonstrates improved product selectivity at Fischer-Tropsch reaction conditions evidenced by lower methane production, hi... | 10/17/1989 |
| 4874732 | Cobalt Fischer-Tropsch catalysts having improved selectivity The promoter(s) Mn oxide or Mn oxide and Zr oxide are added to a cobalt Fischer-Tropsch catalyst combined with the molecular sieve TC-103 or TC-123 such that the resultant catalyst demonstrates improved product selectivity, stability and catalyst life. Th... | 10/17/1989 |
| 4873325 | Process for the production of amides Oximes can be converted to the corresponding amides by contacting the oximes with a non-zeolitic molecular sieve, which has in its calcined form an adsorption of isobutane of at least about 2 percent by weight of the non-zeolitic molecular sieve at a part... | 10/10/1989 |
| 4871831 | Complete ether capping of oligomeric polyphenols A method is presented to prepare totally functionalized ether-capped oligomeric polyphenols without molecular weight fractionation. The products generally are very low in inorganic salts and are characterized by the absence of volatiles leading to void fo... | 10/03/1989 |
| 4867954 | Catalytic reduction of nitrogen oxides This invention relates to a method for catalytically reducing one or more nitrogen oxides from a gaseous stream containing one or more nitrogen oxides and optionally one or more sulfur oxides which comprises contacting said gaseous stream and ammonia with... | 09/19/1989 |
| 4861739 | Microporous crystalline composite compositions The invention involves composite structures of multiple phases, at least two of which are inorganic crystalline compositions that are contiguous and have a common crystal framework and structure, and at least one of them contains phosphorus and aluminum a... | 08/29/1989 |
| 4860584 | Composite moisture sensing apparatus and method A moisture sensing element is disclosed which comprises an electrically continuous article comprising a multi-compositional, multi-phase composite composition comprising as phases thereof (i) an electrically conducting or semiconducting substrate, (ii) an... | 08/29/1989 |
| 4855154 | Process for deodorizing marine oils Marine oils are deodorized by contact with an effective amount of crystalline siliceous molecular sieves having strongly organophilic properties and pore diameters of at least 5.5 Angstroms. The molecular sieves selectively adsorb odorous organic amines a... | 08/08/1989 |
| 4849399 | Catalyst for the reduction of the ignition temperature of diesel soot This invention relates to a catalytic composite and a process for reducing the ignition temperature of diesel soot. The process comprises contacting an exhaust gas from a diesel engine, which exhaust contains diesel soot, with a catalytic composite. The c... | 07/18/1989 |
| 4846657 | Die for extruding ultrafine honeycomb structures A die for forming honeycomb structures has an arrangement that facilitates fabrication and the support of channel forming pins across the surface of the die by the use of multiple die sections. The die is used for forming multi-channeled honeycomb structu... | 07/11/1989 |
| 4845265 | Polyfunctional vinyl ether terminated ester oligomers There are described vinyl ether terminated ester oligomers which cure or polymerize particularly rapidly, especially by cationic polymerization which is radiation induced in the presence of an onium salt. The oligomeric units arise from the reaction of a ... | 07/04/1989 |
| 4830780 | Preparation of lanthanum chromate and lanthanum chromite powders by sol-gel This invention relates to a process for the preparation of a crystalline compound having an empirical formula LaCrx A1-x O4 yH2 O where A is a metal selected from the group consisting of Mg, Sr, Ca and Ba, x ran... | 05/16/1989 |
| 4830885 | Chlorine-resistant semipermeable membranes Chlorine-resistant semipermeable membranes which comprise an interfacial polymerized reaction product composite on a porous support backing material may be prepared by contacting a porous support material such as polysulfone with an aqueous solution of an... | 05/16/1989 |
| 4820681 | Preparation of hydrophobic carbon molecular sieves A method is described for producing hydrophobic carbon molecular sieves. The method does not employ a binder to form or shape previously carbonized materials. Instead, a cross-linked oxygen-free polymer is first produced. Fine particles of this polymer ar... | 04/11/1989 |
| 4820318 | Removal of organic compounds from gas streams using carbon molecular sieves Volatile organic compounds such as ketones and fluorocarbons are removed from vapor streams by contacting the vapor stream with a bed of an adsorbent comprising a binderless carbon molecular sieve. The carbon molecular sieves are characterized by their me... | 04/11/1989 |
| 4815445 | Solid catalysts for epimerization of aldoses; continuous interconversion of epimeric sugars Anion exchange resins which have been exchanged with molybdate at acid pH are effective catalysts for epimerizing compounds with the structural unit: ##STR1## Cheif among these are aldoses, especially aldopentoses and aldohexoses, as well as som... | 03/28/1989 |
| 4812276 | Stepwise formation of channel walls in honeycomb structures A method for forming honeycomb structures by stepwise formation of channel walls reduces the pressure loading imposed by the extrudable material on a die that uses this method, facilitates the formation of well knitted channel walls, and requires only a m... | 03/14/1989 |
| 4810266 | Carbon dioxide removal using aminated carbon molecular sieves Acid gases such as carbon dioxide are removed from air or other gases using a unique carbon-based material. The material is a carbon molecular sieve prepared from oxygen-free precursors carbonized in the absence of oxygen. The pores of the material are th... | 03/07/1989 |
| 4806233 | Method of separating a hot hydrocarbonaceous stream A method of separating a hot hydrocarbonaceous stream having a temperature above the dew point of water and comprising hydrogen, vaporous hydrocarbonaceous compounds and an acidic inorganic compound which method comprises: (a) contacting the hot hydrocarb... | 02/21/1989 |
| 4340724 | Process for separating a ketose from an aldose by selective adsorption A process for separating a ketose from a feed mixture comprising a ketose and an aldose which process comprises contacting the mixture with an adsorbent comprising a Y or X zeolite containing one or more selected cations at the exchangeable cationic sites... | 07/20/1982 |
| 4293442 | Catalytic composite, method of manufacture, and process for use A supported metal chelate catalyst, a method of preparing said catalyst, and a process of using said catalyst is disclosed. The catalyst is particularly useful in the treatment of a sour petroleum distillate or fraction to remove mercaptans contained ther... | 10/06/1981 |
| 4290913 | Catalytic composite useful for the treatment of mercaptan-containing sour petroleum distillate Disclosed is a catalytic composite especially useful in the treatment of sour mercaptan-containing petroleum distillates. The catalytic composite comprises a metal chelate, an alkali metal hydroxide, and a quaternary ammonium hydroxide disposed on an adso... | 09/22/1981 |
| 4276194 | Catalytic composite, method of manufacture, and process for use Disclosed are a method of preparing a catalytic composite useful in the treatment of sour mercaptan-containing petroleum distillates, and a method of using the catalytic composite in treating sour petroleum distillates. More specifically, the method of pr... | 06/30/1981 |
| 4268377 | Hydrocarbon conversion with an activated multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel activated multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed ruthenium carbonyl component with a por... | 05/19/1981 |
| 4260479 | Catalytic oxidation of mercaptan in sour petroleum distillate A process for treating a mercaptan-containing sour petroleum distillate is disclosed. The process comprises contacting said distillate with a supported mercaptan oxidation catalyst at oxidation conditions, said catalyst comprising a metal chelate and a qu... | 04/07/1981 |
| 4256608 | Hydrocarbon conversion with an attenuated superactive multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed rhenium carbonyl component... | 03/17/1981 |
| 4256566 | Hydrocarbon conversion with an attenuated superactive multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed rhenium carbonylcomponent ... | 03/17/1981 |
| 4255290 | Nonacidic multimetallic catalytic composite A nonacidic multimetallic catalytic composite especially useful for the conversion of hydrocarbons comprises a combination of catalytically effective amounts of a platinum group component, a cobalt component, a uranium component and an alkali or alkaline ... | 03/10/1981 |
| 4250020 | Hydrocarbon conversion with an attenuated superactive multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed rhenium carbonyl component... | 02/10/1981 |
