Patents Assigned to Rice University
  • Publication number: 20090294753
    Abstract: A new and useful nanotube growth substrate conditioning processes is herein disclosed that allows the growth of vertical arrays of carbon nanotubes where the average diameter of the nanotubes can be selected and/or controlled as compared to the prior art.
    Type: Application
    Filed: March 5, 2007
    Publication date: December 3, 2009
    Applicant: William Marsh Rice University
    Inventors: Robert H. Hauge, Ya-Qiong Xu, Hongwei Shan, Nolan Walker Nicholas, Myung Jong Kim, Howard K. Schmidt, W. Carter Kittrell
  • Patent number: 7625988
    Abstract: The present invention is directed to novel flame retardant monomers and polymers, wherein the flame retardant properties of the polymers are provided by functionality in pendant groups attached to a polymer backbone (as opposed to the polymer backbone itself possessing flame retardant properties. The present invention is also directed to methods of making such polymers and monomers, and articles of manufacture incorporating such monomers and polymers.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: December 1, 2009
    Assignee: William Marsh Rice University
    Inventors: James M. Tour, Joshua L. Jurs, Jason J. Stephenson
  • Patent number: 7622532
    Abstract: The present invention relates generally to synthesis of radioactive material, such as a tritiated polymer, and an apparatus for generating electrical current from the nuclear decay process of a radioactive material. In one embodiment, the invention relates to an energy cell (e.g., a battery) for generating electrical current derived from particle emissions occurring within a radioactive material such as a tritiated polymer) on pore walls of a porous semiconductor. The radioactive material may be introduced into the energy cell by a wetting process.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: November 24, 2009
    Assignees: William Marsh Rice University, BetaBatt, Inc.
    Inventors: Larry L. Gadeken, Paul S. Engel, Kenneth S. Laverdure
  • Publication number: 20090273532
    Abstract: An apparatus comprising a parallel plate waveguide (PPWG) comprising two plates separated by a distance that supports a multimode wave, and a transmitter configured to emit a wave having a frequency from about one hundred Gigahertz (GHz) to about ten terahertz (THz) and to couple to one mode of the PPWG. Also disclosed is an apparatus comprising two plates substantially parallel to one another and separated by at least about five millimeters (mm), and an antenna coupled to the two plates and configured to transmit or receive a wave having a frequency from about one hundred GHz to about ten THz. Disclosed is a method comprising polarizing an electromagnetic beam in the first transverse electric (TE1) mode with respect to a PPWG comprising two plates, adjusting the diameter of the electromagnetic beam based on the separation between the plates, and sending the electromagnetic beam into the PPWG.
    Type: Application
    Filed: May 1, 2009
    Publication date: November 5, 2009
    Applicant: WILLIAM MARSH RICE UNIVERSITY
    Inventors: Rajind Mendis, Daniel M. Mittleman
  • Publication number: 20090269593
    Abstract: This invention is generally related to a method of making a molecule-surface interface comprising at least one surface comprising at least one material and at least one organic group wherein the organic group is adjoined to the surface and the method comprises contacting at least one organic group precursor with at least one surface wherein the organic group precursor is capable of reacting with the surface in a manner sufficient to adjoin the organic group and the surface.
    Type: Application
    Filed: March 19, 2009
    Publication date: October 29, 2009
    Applicant: William Marsh Rice University
    Inventors: James M. Tour, Michael P. Stewart
  • Patent number: 7601421
    Abstract: The present invention is directed to methods of integrating carbon nanotubes into epoxy polymer composites via chemical functionalization of carbon nanotubes, and to the carbon nanotube-epoxy polymer composites produced by such methods. Integration is enhanced through improved dispersion and/or covalent bonding with the epoxy matrix during the curing process. In general, such methods involve the attachment of chemical moieties (i.e., functional groups) to the sidewall and/or end-cap of carbon nanotubes such that the chemical moieties react with either the epoxy precursor(s) or the curing agent(s) (or both) during the curing process. Additionally, in some embodiments, these or additional chemical moieties can function to facilitate dispersion of the carbon nanotubes by decreasing the van der Waals attractive forces between the nanotubes.
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: October 13, 2009
    Assignee: William Marsh Rice University
    Inventors: Valery N. Khabashesku, Jiang Zhu, Haiqing Peng, Enrique V. Barrera, John L. Margrave, Mary Lou Margrave, legal representative
  • Publication number: 20090243604
    Abstract: An apparatus comprising a processor configured to implement a method comprising obtaining a pipe profile comprising a diameter, a nominal thickness, and a material, receiving a magnetic flux leakage (MFL) indication for a pipe associated with the pipe profile, and determining a wall thickness for the pipe using the pipe profile and the MFL indication. Also disclosed is a method comprising modeling an apparatus comprising a magnet configured to induce a magnetic field in a pipe, and determining a wall thickness measurement (WTM) for the pipe using a model of the apparatus and the pipe, a detected MFL signal, and a simulated MFL signal.
    Type: Application
    Filed: March 25, 2009
    Publication date: October 1, 2009
    Applicant: William Marsh Rice University
    Inventors: Sushant Madhukul Dutta, Fathi Hassan Ghorbel
  • Patent number: 7596254
    Abstract: The present invention provides method of generating a 3-D image of at least one cement bolus in relation to a bone comprising acquiring a plurality of fluoroscopic images of the bolus during or after a bone cement injection procedure. The method further comprises registering each fluoroscopic image with a CT scan image of the bone. Additionally, the method comprises outlining the bolus in each fluoroscopic image to generate a plurality of silhouettes of the bolus. The method also comprises projecting the silhouettes on to the CT scan image to generate a plurality of back-projections. Moreover, the method comprises identifying a plurality of bolus voxels to generate the 3-D image of the bolus, wherein each bolus voxel comprises an intersection of at least two back-projections. Furthermore, a method for intra-operative imaging of at least one bolus of bone cement during a bone cement injection procedure is disclosed.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: September 29, 2009
    Assignee: William Marsh Rice University
    Inventors: Michael Liebschner, Alistair Templeton
  • Patent number: 7585420
    Abstract: The present invention is generally directed to catalyzed hot stamp methods for polishing and/or patterning carbon nanotube-containing substrates. In some embodiments, the substrate, as a carbon nanotube fiber end, is brought into contact with a hot stamp (typically at 200-800° C.), and is kept in contact with the hot stamp until the morphology/patterns on the hot stamp have been transferred to the substrate. In some embodiments, the hot stamp is made of material comprising one or more transition metals (Fe, Ni, Co, Pt, Ag, Au, etc.), which can catalyze the etching reaction of carbon with H2, CO2, H2O, and/or O2. Such methods can (1) polish the carbon nanotube-containing substrate with a microscopically smooth finish, and/or (2) transfer pre-defined patterns from the hot stamp to the substrate. Such polished or patterned carbon nanotube substrates can find application as carbon nanotube electrodes, field emitters, and field emitter arrays for displays and electron sources.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: September 8, 2009
    Assignee: William Marsh Rice University
    Inventors: Yuhuang Wang, Robert H. Hauge, Howard K. Schmidt, Myung Jong Kim, W. Carter Kittrell
  • Patent number: 7578941
    Abstract: The present invention is generally directed to new liquid-liquid extraction methods for the length-based separation of carbon nanotubes (CNTs) and other 1-dimensional nanostructures.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: August 25, 2009
    Assignee: William Marsh Rice University
    Inventors: Kirk J. Ziegler, Daniel J. Schmidt, Robert H. Hauge, Richard E. Smalley, Irene Morin Marek, legal representative
  • Publication number: 20090200341
    Abstract: An adjustable-volume liquid dispenser is disclosed. In one embodiment, an adjustable-volume liquid dispenser includes a spout and a plunger secured to the spout. The dispenser further includes a plunger lock moveable lengthwise along the plunger. The plunger lock is securable to the plunger at a plurality of positions on the plunger to adjust a volume of liquid to be dispensed. The dispenser also includes a spring in contact with the plunger. In addition, the dispenser includes a chamber comprising an interior for containing liquid. The plunger is slidably arranged with the chamber. A portion of the plunger is disposed within the chamber. Moreover, the dispenser includes a chamber cap secured to the chamber, and a valve disposed within the chamber. The dispenser also includes a shaft secured to the chamber.
    Type: Application
    Filed: February 8, 2008
    Publication date: August 13, 2009
    Applicants: William Marsh Rice University, Baylor College of Medicine
    Inventors: Zillah Maria Oden, Gordon E. Schutze, Kimberly A. Bennett, Brian D. Schwab, Charles A. Ginnings, Megan E. Jeans, Catherine G. Ambrose
  • Patent number: 7572426
    Abstract: The present invention is directed toward methods of selectively functionalizing carbon nanotubes of a specific type or range of types, based on their electronic properties, using diazonium chemistry. The present invention is also directed toward methods of separating carbon nanotubes into populations of specific types or range(s) of types via selective functionalization and electrophoresis, and also to the novel compositions generated by such separations.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: August 11, 2009
    Assignee: William Marsh Rice University
    Inventors: Michael S. Strano, Monica Usrey, Paul Barone, Christopher A. Dyke, James M. Tour, W. Carter Kittrell, Robert H. Hauge, Richard E. Smalley
  • Publication number: 20090197315
    Abstract: The present invention is directed to a series of new compounds, combining the unique properties of fullerenes and bio-active amino acid residues, and to methods for making such compounds. The present invention is directed toward fullerene-based amino acids, and to amino acid residues, peptide chains, proteins, and polypeptides made from such fullerene-based amino acids. The present invention is further directed to amino acid residues, peptide chains, proteins, and polypeptides comprising such fullerene-based amino acids and into which such fullerene-based amino acids have been incorporated. Exemplary compounds have been prepared, and these compounds have been characterized and confirmed with infrared (IR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry (MS), etc.
    Type: Application
    Filed: January 14, 2005
    Publication date: August 6, 2009
    Applicant: William Marsh Rice University
    Inventors: Andrew R. Barron, Jianzhong Yang
  • Patent number: 7569380
    Abstract: In vivo method of producing esters from acetyle coA, such as isoamyl acetate and succinate, has been developed by producing null mutants in pathways that use acetyl coA and by overexpressing products that use NADH and in order to maintain the proper redox balance between NADH and NAD+. The method is exemplified with null mutations in ldhA, adhE, ackA-pta and overexpression of pyruvate carboxylase and alcohol acetyltransferase. This strain produces higher levels of both isoamyl acetate and succinate.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: August 4, 2009
    Assignee: Rice University
    Inventors: Ka-Yiu San, Ailen Sanchez, George N. Bennett, Cheryl Renee Dittrich
  • Publication number: 20090186392
    Abstract: The invention relates to the development of appropriate cultivation conditions for a bacteria to grow anaerobically (fermentatively) on a glycerol substrate. The method requires culturing bacteria having a functional 1,2-propanediol pathway and a functional type II glycerol dehydrogenase-dihydroxyacetone kinase pathway in a culture medium containing high concentrations of glycerol, a neutral to mildly acidic pH, low levels of potassium and phosphate, and high levels of CO2, such that glycerol is thus converted into a desirable product, such as ethanol, —hydrogen, formate, succinate, or 1,2-propanediol.
    Type: Application
    Filed: March 30, 2007
    Publication date: July 23, 2009
    Applicant: RICE UNIVERSITY
    Inventor: Ramon Gonzalez
  • Publication number: 20090186398
    Abstract: Methods of increasing the cellular pool of A-CoA and thus driving the metabolic pathways in the direction of A-CoA containing metabolites by overexpressing rate limiting enzymes in A-CoA synthesis. Methods of increasing intracellular levels of CoA and A-CoA through genetic engineering of bacterial strains in conjunction with supplementation with precursor molecules.
    Type: Application
    Filed: December 19, 2008
    Publication date: July 23, 2009
    Applicant: Rice University
    Inventors: Ka-Yiu San, George Nelson Bennett, Ravishankar V. Vadali
  • Publication number: 20090173935
    Abstract: The invented ink-jet printing method for the construction of thin film transistors using all SWNTs on flexible plastic films is a new process. This method is more practical than all of exiting printing methods in the construction TFT and RFID tags because SWNTs have superior properties of both electrical and mechanical over organic conducting oligomers and polymers which often used for TFT. Furthermore, this method can be applied on thin films such as paper and plastic films while silicon based techniques can not used on such flexible films. These are superior to the traditional conducting polymers used in printable devices since they need no dopant and they are more stable. They could be used in conjunction with conducting polymers, or as stand-alone inks.
    Type: Application
    Filed: November 24, 2006
    Publication date: July 9, 2009
    Applicant: William Marsh Rice University
    Inventors: Gyou-Jin Cho, Min Hun Jung, Jared L. Hudson, James M. Tour
  • Publication number: 20090174884
    Abstract: A device comprising an acoustic detector, one or more thermal sensing elements coupled to the acoustic detector, and a light source. A method comprising directing a beam of light at a wavelength at or near one or more thermal sensing elements, wherein the thermal sensing elements are coupled to an acoustic detector, determining a resonance frequency of the acoustic detector, wherein the acoustic detector is coupled to one or more of the thermal sensing elements, and measuring the response of the acoustic detector to detect optical radiation absorption proximate to or at the surface of one or more thermal sensing elements.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 9, 2009
    Applicant: WILLIAM MARSH RICE UNIVERSITY
    Inventors: Anatoliy A. KOSTEREV, Sergei M. BACHILO
  • Publication number: 20090170768
    Abstract: Compositions comprising a plurality of functionalized carbon nanotubes and at least one type of payload molecule are provided herein. The compositions are soluble in water and PBS in some embodiments. In certain embodiments, the payload molecules are insoluble in water. Methods are described for making the compositions and administering the compositions. An extended release formulation for paclitaxel utilizing functionalized carbon nanotubes is also described.
    Type: Application
    Filed: October 3, 2008
    Publication date: July 2, 2009
    Applicant: William Marsh Rice University
    Inventors: James M. Tour, Valerie C. Moore, S. Ward Casscella, Jeffrey N. Myers, Zvonimir L. Milas, Kathy A. Mason, Luka Milas, Brandl Katherine Price, Jared L. Hudson, Jodie L. Conyers, JR., Rebecca L. Lucente-Schultz, Ashley Leonard, Dmitry V. Kosynkin
  • Publication number: 20090169463
    Abstract: This invention relates generally to forming an array of fullerene nanotubes. In one embodiment, a macroscopic molecular array is provided comprising at least about 106 fullerene nanotubes in generally parallel orientation and having substantially similar lengths in the range of from about 5 to about 500 nanometers.
    Type: Application
    Filed: August 22, 2006
    Publication date: July 2, 2009
    Applicant: William Marsh Rice University
    Inventors: Richard E. Smalley, Daniel T. Colbert, Hongjie Dai, Jie Liu, Andrew G. Rinzler, Jason H. Hafner, Kenneth A. Smith, Ting Guo, Pavel Nikolaev, Andreas Thess