Fluidized-bed catalytic cracking process for a hydrocarbon feedstock, particularly a feedstock with a high content of basic nitrogen compounds
The present invention overcomes the drawbacks of the prior art by the surprisingly simple expedient of using a downflow FCC process with a cracking catalyst that is resistant to basic nitrogen compoun... Read More
Inventors: Bourgogne, Michel; Patureaux, Thierry; Boisdron, Nathalie;, Assignee: Total Raffinage Distribution S.A. (Puteaux, FR) |
UV lamp enclosure sleeve
The solution found by the present inventor consists of applying a thin layer of FEP (a perfluorinated ethylene-propylene polymer) available from DuPont as TEFLON FEP.RTM. to the surface of the quartz ... Read More
Inventors: Peterson, Ronald L.;, Assignee: Peroxidation Systems, Inc. (Tucson, AZ) |
Fluid purification device
Referring to the drawings in detail there is shown for illustrative purposes only, a fluid purification device constituting a preferred embodiment of the invention. The device is a module to be used ... Read More
Inventors: Maarschalkerweerd, Jan;, Assignee: Trojan Technologies, Inc. (London, CA) |
UV lamp transmittance controller
According to an aspect of the invention, an apparatus for removing material deposited on a protective sheath enclosing a UV lamp where the material is deposited on the sheath from an aqueous solution ... Read More
Inventors: Hallett, Ron C.;, Assignee: Solarchem Enterprises Inc. (Ontario, CA) |
Apparatus for treating organic waste gas
Accordingly, an object of the present invention is to provide a method and apparatus for treating organic waste gas which do not require discharge of organic solvent to the outside of the system durin... Read More
Inventors: Yanagi, Motonori; Hama, Masaharu; Fukumoto, Takaaki; Tsukaguchi, Miki;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Ultraviolet disinfection module
The present invention provides a novel apparatus for irradiating and disinfecting waste fluids which is compact and portable and is also capable of in place self-cleaning. The device consists of a mod... Read More
Inventors: Schuerch, Peter; Weltz, Richard K.; Zuback, Joseph E.; Bowen, Mervyn W.; DiFalco, James;, Assignee: Infilco Degremont, Inc. (Richmond, VA) |
Connector system for use with reverse osmosis water purifier
It is an object of this invention to provide a connector system for quickly disconnecting and removing a reverse osmosis water purifier thereby allowing easy access thereto. Further objects and advant... Read More
Inventors: Walling, David F.;, Assignee: |
The process of separating a selected ion from a plurality of other ions in a multiple ion solution by contacting the solution with a macrocyclic ligand bonded to silica which selectively complexes with the desired ion
The compounds of the present invention comprise certain macrocyclic ligands covalently bonded to silica, e.g., sand or silica gel. The compounds are identified above. The process of the present invent... Read More
Inventors: Bradshaw, Jerald S.; Izatt, Reed M.; Bruening, Ronald L.; Christensen, deceased, James J.;, Assignee: Brigham Young University (Provo, UT) |
Process of removing ions from solutions by forming a complex with a sulfur containing hydrocarbon covalently bonded to silica
The compounds of the present invention comprise certain sulfur-containing hydrocarbon ligands covalently bonded to silica. e.g., sand or silica gel. The compounds are identified above in Formula 2. Th... Read More
Inventors: Bradshaw, Jerald S.; Tarbet, Byron J.; Krakowiak, Krzysztof E.; Biernat, Jan F.; Bruening, Ronald L.; Izatt, Reed M.;, Assignee: Brigham Young University (Provo, UT) |
Sulfur-containing hydrocarbon compounds and process of using same in recovering and concentrating desired ions from solutions thereof
We claim: 1. A compound of formula ##STR5## wherein R.sup.1 is a member selected from the group consisting of hydrogen, hydroxy, thiohydroxy, lower alkyl, phenyl, naphthyl and pyridyl; R.sup.2 is a me... Read More
Inventors: Bradshaw, Jerald S.; Izatt, Reed M.; Tarbet, Bryon J.; Krakowiak, Krzysztof; Biernat, Jan F.; Bruening, Ronald L.;, Assignee: Brigham Young University (Provo, UT) |
Pyridine-containing alkoxysilanes bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions
OF THE INVENTION As summarized above, present invention is drawn to novel pyridine-containing hydrocarbon ligands covalently bound through a spacer to a silicon moiety to form novel intermediate comp... Read More
Inventors: Tarbet, Bryon J.; Bradshaw, Jerald S.; Krakowiak, Krzysztof E.; Izatt, Reed M.; Bruening, Ronald L.;, Assignee: Brigham Young University (Provo, UT) |
Compositions and processes for removing, separating and concentrating desired ions from solutions using sulfur and aralkyl nitrogen containing ligands bonded to inorganic supports
OF THE PREFERRED EMBODIMENTS As summarized above, the present invention is drawn to novel thiol and/or thioether aralkyl nitrogen-containing hydrocarbon ligands covalently bound through a spacer to a... Read More
Inventors: Bruening, Ronald L.; Tarbet, Bryon J.; Izatt, Reed M.; Bradshaw, Jerald S.;, Assignee: Brigham Young University (Provo, UT) |
Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
OF THE PREFERRED EMBODIMENTS As summarized above, the present invention is drawn to novel aminoalkylphosphonic acid containing ligands covalently bound through a spacer to a silicon moiety and furthe... Read More
Inventors: Bruening, Ronald L.; Tarbet, Bryon J.; Bradshaw, Jerald S.; Izatt, Reed M.; Krakowiak, Krzysztof E.;, Assignee: Brigham Young University (Provo, UT) |
Polytetraalkylammonium and polytrialkylamine-containing ligands bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions
OF THE INVENTION As summarized above, the present invention is drawn to novel polytetraalkylammonium and polytrialkylamine-containing hydrocarbon ligands covalently bound through a spacer to a silico... Read More
Inventors: Bruening, Ronald L.; Tarbet, Bryon J.; Bradshaw, Jerald S.; Izatt, Reed M.;, Assignee: Brigham Young University (Provo, UT) |
Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
OF THE PREFERRED EMBODIMENTS As summarized above, the present invention is drawn to novel aminoalkylphosphonic acid containing ligands covalently bound through a spacer to a silicon moiety and furthe... Read More
Inventors: Breuning, Ronald L.; Tarbet, Bryon J.; Bradshaw, Jerald S.; Izatt, Reed M.; Krakowiak, Krzysztof E.;, Assignee: Brigham Young University (Provo, UT) |
Process of using polytetraalkylammonium and polytrialkylamine-containing ligands bonded to inorganic supports for removing and concentrating desired ions from solutions
OF THE INVENTION As summarized above, the present invention is drawn to novel polytetraalkylammonium and polytrialkylamine-containing hydrocarbon ligands covalently bound through a spacer to a silico... Read More
Inventors: Bruening, Ronald L.; Tarbet, Bryon J.; Bradshaw, Jerald S.; Izatt, Reed M.;, Assignee: Brigham Young University (Provo, UT) |
Compositions and processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes
OF THE INVENTION Preparation of the Ligand-Membrane Compositions The compositions of the present invention may be prepared by any suitable method wherein the ligands can be covalently bonded to a mem... Read More
Inventors: Tarbet, Bryon J.; Bruening, Ronald L.; Di Leo, Anthony J.; Goddard, Philip M.; Scarmoutzos, Louis M.;, Assignee: IBC Advanced Technologies, Inc. (American Fork, UT); Millipore Corporation (Bedford, MA) |
Polymer-supported sulfonated catechol and linear catechol amide ligands and their use in selective metal ion removal and recovery from aqueous solutions
The present invention concerns a polymer having a pendant sulfonated catechol ligand of Structure (I) or (II): ##STR1## wherein n is an integer from 2 to 6; X and Y are independently selected from the... Read More
Inventors: Fish, Richard H.;, Assignee: Regents of the University of California (Oakland, CA) |
Method of making a composition for separating and concentrating certain ions from mixed ion solutions
OF THE INVENTION Preparation of the Ligand-Membrane Compositions The compositions of the present invention may be prepared by any suitable method wherein the ligands can be covalently bonded to a mem... Read More
Inventors: Tarbet, Bryon J.; Bruening, Ronald L.; Di Leo, Anthony J.; Goddard, Philip M.; Scarmoutzos, Louis M.;, Assignee: Millipore Corporation (Bedford, MA); IBC Advanced Technologies, Inc. (American Fork, UT) |
Method of retrofitting an existing RO system to zero waste
The present invention contemplates (i) retrofitting diverse existing non-zero-waste RO systems to become zero waste RO systems, (ii) packaging the multiple components of an RO system, and more particu... Read More
Inventors: Monroe, Jerry;, Assignee: Watts Regulator Co. (North Andover, MA) |
Cell cycle checkpoint genes
OF THE PREFERRED EMBODIMENT Methods are disclosed for selecting and isolating human cDNAs responsible for radiation sensitivity and resistance. The methods are based on selecting human cDNAs that com... Read More
Inventors: Hartwell, Leland H.; Weinert, Ted A.; Plon, Sharon E.; Groudine, Mark T.;, Assignee: University of Washington (Seattle, WA); Arizona Board of Regents on behalf of the University of Arizona (Tucson, AZ); Fred Hutchinson Cancer Research Center (Seattle, WA) |
Method for manufacturing block copolymer
The inventors of the present invention have discovered that a ternary block copolymers can be prepared also to have the regularly micro-phase separated structure that is peculiar to a binary block cop... Read More
Inventors: Fujimoto, Teruo; Nagasawa, Mitsuru; Ohno, Syotaro;, Assignee: Toyo Soda Manufacturing Co., Ltd. (Shinnanyo, JP) |
Method for separating and purifying amino acid
OF THE INVENTION This invention relates to a method for separating and purifying an amino acid and more particularly to a method for separating and purifying an amino acid by piezo-dialysis using an ... Read More
Inventors: Fujimoto, Teruo; Isono, Yoshinobu; Miyaki, Yoshiyuki;, Assignee: Toyo Soda Manufacturing Co., Ltd. (Shinnanyo, JP) |
Method for electronic detection of a binding reaction
OF PREFERRED EXEMPLARY EMBODIMENTS OF THE INVENTION The method of the present invention is particularly useful for detecting antigens in the body of a living creature. Such antigens includes drugs, t... Read More
Inventors: Mroczkowski, Susan J.; Siegesmund, Kenneth A.; Yorde, Donald E.;, Assignee: Midwest Research Microscopy, Inc. (Milwaukee, WI) |
Heatshield material
There is claimed: 1. Heatshield material comprising a material of low density and high surface area per unit weight consisting essentially of silica (SiO.sub.2) with chemically stable silanol groups (... Read More
Inventors: Le Touche, Roger A. L.;, Assignee: Aerospatiale Societe Nationale Industrielle (Paris, FR) |
Candle filter element
What is claimed is: 1. A candle filter element for assembly in a pressurized container, the candle filter element comprising a support body disposed around a central tube and formed as a sheath elemen... Read More
Inventors: Mueller, Patrick; Schumacher, Ivo;, Assignee: DRM, Dr. Mueller AG (Maennedorf, CH) |
Methods for the in vitro detection and identification of unknown pathogens or genetic entities
Among the objects of the present invention may be noted the provision of a method for the in vitro detection and identification of an unknown genetic entity having a specific DNA/RNA nucleotide sequen... Read More
Inventors: Scholl, David R.; Jollick, Joseph D.;, Assignee: Diagnostic Research Limited Partnership (Athens, OH) |
Allelic ladders for short tandem repeat loci
OF THE INVENTION The following definitions are provided to assist in providing a clear and consistent understanding of the scope and detail of the terms: Allelic ladder: a standard size marker consis... Read More
Inventors: Schumm, James W.; Puers, Christoph;, Assignee: Promega Corporation (Madison, WI) |
Quiet, strong cloth-like tissue laminate
In accordance with the present invention, it has been found that an improved tissue laminate material having cloth-like qualities of strength, drape, low static electricity, potential absorbency and d... Read More
Inventors: LaFitte, Larry L.; Camden, James B.;, Assignee: The Buckeye Cellulose Corporation (Cincinnati, OH) |
Activated polymer solid bodies and processes for the production thereof
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims: 1. Process for the activation of hydroxyl group-containing polymeric solid body carrier materi... Read More
Inventors: Schossler, Werner; Boeden, Hans-Friedrich; Holtzhauer, Martin; Loth, Fritz; Hiepe, Falk; Bertram, Dieter; Mielke, Frank; Muller, Reinhard; Konjuchowa, Dagmar;, Assignee: Veb Leipziger Arzeimittelwerk (Leipzig, DD) |
Liquid Purification 
