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William Marsh Rice University Patents
Assignee:
William Marsh Rice University
Address:
Houston, TX
No. of patents:
127
Patents:


1 2 3


Patent Number Title Of Patent Date Issued
7182025 Autonomous robotic crawler for in-pipe inspection February 27, 2007
The specification discloses a robot for inspection adapted to travel virtually unlimited distances through small-diameter enclosed spaces such as conduits or ducts, preferably using a fluid-driven screw-drive propulsion system. The robot preferably includes a plurality of wheels incl
7176146 Method of making a molecule-surface interface February 13, 2007
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
7150864 Ropes comprised of single-walled and double-walled carbon nanotubes December 19, 2006
The present invention concerns a method for growing carbon nanotubes using a catalyst system that preferentially promotes the growth of single- and double-wall carbon nanotubes, rather than larger multi-walled carbon nanotubes. Ropes of the carbon nanotubes are formed that comprise s
7144627 Multi-layer nanoshells comprising a metallic or conducting shell December 5, 2006
Composite particles containing metallic shell layers are provided. The particles may include a coating layer, such as of a protective or electrically non-conducting material, over an outermost metallic shell layer. The particle preferably has a plasmon resonance associated with at le
7125534 Catalytic growth of single- and double-wall carbon nanotubes from metal particles October 24, 2006
Single-walled carbon nanotubes have been synthesized by the catalytic decomposition of both carbon monoxide and ethylene over a supported metal catalyst known to produce larger multi-walled nanotubes. Under certain conditions, there is no termination of nanotube growth, and production
7125533 Method for functionalizing carbon nanotubes utilizing peroxides October 24, 2006
A method for functionalizing the wall of single-wall or multi-wall carbon nanotubes involves the use of acyl peroxides to generate carbon-centered free radicals. The method allows for the chemical attachment of a variety of functional groups to the wall or end cap of carbon nanotubes thr
7125502 Fibers of aligned single-wall carbon nanotubes and process for making the same October 24, 2006
The present invention involves fibers of highly aligned single-wall carbon nanotubes and a process for making the same. The present invention provides a method for effectively dispersing single-wall carbon nanotubes. The process for dispersing the single-wall carbon nanotubes compris
7115864 Method for purification of as-produced single-wall carbon nanotubes October 3, 2006
This invention relates generally to a single-wall carbon nanotube (SWNT) purification process and more particularly to a purification process that comprises heating the SWNT-containing felt under oxidizing conditions to remove the amorphous carbon deposits and other contaminating materia
7108841 Method for forming a patterned array of single-wall carbon nanotubes September 19, 2006
This invention relates generally to forming a patterned array of single-wall carbon nanotubes (SWNT). In one embodiment, a nanoscale array of microwells is provided on a substrate; a metal catalyst is deposited in each microwells; and a stream of hydrocarbon or CO feedstock gas is di
7105637 Dehydro-estriol (8-DHE3) and dehydro-pregnanetriol (7-DHPT), methods of their synthesis September 12, 2006
The invention provides isolated dehydro-estriol (8-DHE.sub.3) and dehydro-pregnanetriol (7-DHPT), and methods of their synthesis. These compounds are useful in diagnosis of Smith-Lemli-Optiz syndrome (SLOS).
7105596 Methods for producing composites of single-wall carbon nanotubes and compositions thereof September 12, 2006
This invention relates generally to a method for producing composites of single-wall carbon nanotubes (SWNTs) and compositions thereof. In one embodiment, the present invention involves a method of producing a composite material that includes a matrix and a carbon nanotube material e
7097820 Continuous fiber of single-wall carbon nanotubes August 29, 2006
This invention relates generally to carbon fiber produced from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the carbon fiber which comprises an aggregation of substantially parallel carbon nanotubes comprises more than one molecular array. Another embodiment of
7090819 Gas-phase process for purifying single-wall carbon nanotubes and compositions thereof August 15, 2006
The present invention relates to an all gas-phase process for the purification of single-wall carbon nanotubes and the purified single-wall carbon nanotube material. Known methods of single-wall carbon nanotube production result in a single-wall carbon nanotube product that contains
7087207 Method for forming an array of single-wall carbon nanotubes in an electric field and composition August 8, 2006
This invention relates generally to a forming an array of single-wall carbon nanotubes (SWNT) in an electric field and compositions thereof. In one embodiment, a purified bucky paper of single-wall carbon nanotubes is used as the starting material. Upon oxidative treatment of the bucky
7074310 Method for separating single-wall carbon nanotubes and compositions thereof July 11, 2006
The invention relates to a process for sorting and separating a mixture of (n, m) type single-wall carbon nanotubes according to (n, m) type. A mixture of (n, m) type single-wall carbon nanotubes is suspended such that the single-wall carbon nanotubes are individually dispersed. The
7071406 Array of single-wall carbon nanotubes July 4, 2006
This invention relates generally to forming an array of single-wall carbon nanotubes (SWNT). In one embodiment, a macroscopic molecular array is provided comprising at least about 10.sup.6 single-wall carbon nanotubes in generally parallel orientation and having substantially similar
7070754 Ropes of single-wall carbon nanotubes July 4, 2006
This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes preferentially form in the vapor and the one or more Group VIII transition metals catalyzed growt
7067098 Method for forming an array of single -wall carbon nanotubes and compositions thereof June 27, 2006
This invention relates generally to forming an array of single-wall carbon nanotubes (SWNT) and compositions thereof. In one embodiment, a homogeneous population of SWNT molecules is used to produce a substantially two-dimensional array made up of single-walled nanotubes aggregated i
7052668 Process utilizing seeds for making single-wall carbon nanotubes May 30, 2006
A gas-phase method for producing high yields of single-wall carbon nanotubes with high purity and homogeneity is disclosed. The method involves using preformed metal catalyst clusters to initiate and grow single-wall carbon nanotubes. In one embodiment, multi-metallic catalyst precur
7052666 Method for cutting single-wall carbon nanotubes May 30, 2006
This invention relates generally to cutting single-wall carbon nanotubes (SWNT). In one embodiment, the present invention provides for preparations of homogemeous populations of short carbon nanotube molecules by cutting and annealing (reclosing) the nanotube pieces followed by fract
7049406 Hemoglobin mutants with increased soluble expression and/or reduced nitric oxide scavenging May 23, 2006
The invention relates to novel recombinant hemoglobins having reduced nitric oxide scavenging and/or increased high soluble expression. The invention further relates to methods of increasing the soluble expression of recombinant hemoglobin by adding exogenous hemin in molar excess of
7048903 Macroscopically manipulable nanoscale devices made from nanotube assemblies May 23, 2006
Macroscopically manipulable nanoscale devices made from nanotube assemblies are disclosed. The article of manufacture comprises a macroscopic mounting element capable of being manipulated or observed in a macroscale environment, and a nanoscale nanotube assembly attached to the mount
7041620 Method for producing a catalyst support and compositions thereof May 9, 2006
This invention relates generally to a method for producing single-wall carbon nanotube (SWNT) catalyst supports and compositions thereof. In one embodiment, SWNTs or SWNT structures can be employed as the support material. A transition metal catalyst is added to the SWNT. In a prefer
7029646 Method for cutting single-wall carbon nanotubes through fluorination April 18, 2006
A method for cutting single-wall carbon nanotubes involves partially fluorinating single-wall carbon nanotubes and pyrolyzing the partially fluorinated nanotubes in an inert atmosphere or vacuum up to about 1000.degree. C. The nanotubes are optionally purified before cutting. The par
7008604 Method for cutting nanotubes March 7, 2006
This invention relates generally to cutting single-wall carbon nanotubes (SWNT). In one embodiment, the present invention provides for preparation of homogeneous populations of short carbon nanotube molecules by cutting and annealing (reclosing) the nanotube pieces followed by fractionat
7008563 Polymer-wrapped single wall carbon nanotubes March 7, 2006
The present invention relates to new compositions of matter and articles of manufacture comprising SWNTs as nanometer scale conducting rods dispersed in an electrically-insulating matrix. These compositions of matter have novel and useful electrical, mechanical, and chemical properti
6986876 Method for forming composites of sub-arrays of single-wall carbon nanotubes January 17, 2006
This invention relates generally to forming arrays of single-wall carbon nanotubes (SWNT). In one embodiment, the present invention involves forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of up to 10.sup.6 si
6979709 Continuous fiber of single-wall carbon nanotubes December 27, 2005
This invention relates generally to carbon fiber produced from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the present invention involves a macroscopic carbon fiber comprising at least 10.sup.6 signal-wall carbon nanotubes in generally parallel orientation.
6969504 Electrical conductors comprising single-wall carbon nanotubes November 29, 2005
The present invention concerns electrical conductors comprising armchair single-wall carbon nanotubes. Such electrical conductors made by the invention are metallic, i.e., they will conduct electrical charges with a relatively low resistance. The amount of armchair single-wall carbon
6962092 Method and apparatus for determining the length of single-walled carbon nanotubes November 8, 2005
The present invention is directed to at least one method and at least one apparatus for determining the length of single-wall carbon nanotubes (SWNTs). The method generally comprises the steps of: dispersing a sample of SWNTs into a suitable dispersing medium to form a solvent-suspension
6949237 Method for growing single-wall carbon nanotubes utlizing seed molecules September 27, 2005
This invention relates generally to a method for growing single-wall carbon nanotube (SWNT) from seed molecules. The supported or unsupported SWNT seed materials can be combined with a suitable growth catalyst by opening SWNT molecule ends and depositing a metal atom cluster. In one embo
6946336 Method of making a nanoscale electronic device September 20, 2005
The present invention relates to a method of making a nanoscale electronic device wherein said device comprises a gap between about 0.1 nm and about 100 nm between at least two conductors, semiconductors or the combination thereof. The method features complete assembly of electrical cont
6946283 Ginkgo biloba levopimaradiene synthase September 20, 2005
The present invention is directed to nucleic acid sequences of Ginkgo biloba diterpene synthases, particularly of a levopimaradiene synthase. More specifically, the invention is directed to a cell of a unicellular organism, such as Saccharomyces cerevisiae or Escherichia coli, comprising
6939525 Method of forming composite arrays of single-wall carbon nanotubes and compositions thereof September 6, 2005
This invention relates generally to forming arrays of single-wall carbon nanotubes (SWNT) and compositions thereof. In one embodiment, the present invention involves forming an array from more than one separately prepared molecular arrays or templates to prepare a composite structure. Th
6936306 Chemical control over ceramic porosity using carboxylate-alumoxanes August 30, 2005
This invention relates generally to a method for controlling the pore size, pore size distribution and porosity of aluminum-oxide based ceramics through the choice of substituents on carboxylate-alumoxanes and aluminum-oxide nanoparticles. The method allows for the formation of intra
6936233 Method for purification of as-produced single-wall carbon nanotubes August 30, 2005
This invention relates generally to a single-wall carbon nanotube (SWNT) purification process and more particularly to a purification process that comprises heating the SWNT-containing felt under oxidizing conditions to remove the amorphous carbon deposits and other contaminating materia
6929764 Polymers having ordered, monodisperse pores and their corresponding ordered, monodisperse colloi August 16, 2005
Ordered, monodisperse macroporous polymers, their corresponding ordered, monodisperse colloids, and methods of preparing them are disclosed. The methods use an ordered, monodisperse colloidal template to define the polymer pore morphology, which in turn acts as a mold for the growth of a
6913789 Process utilizing pre-formed cluster catalysts for making single-wall carbon nanotubes July 5, 2005
A gas-phase method for producing high yields of single-wall carbon nanotubes with high purity and homogeneity is disclosed. The method involves using preformed metal catalyst clusters to initiate and grow single-wall carbon nanotubes. In one embodiment, multi-metallic catalyst precur
6908496 Method for scalable production of nanoshells using salt assisted purification of intermediate co June 21, 2005
A method for purifying a suspension containing colloid-seeded nanoparticles and excess colloids is provided that includes adding to the suspension a filter aid comprising a salt. The method further includes filtering the suspension with a filter of a pore size intermediate between the av
6899945 Entangled single-wall carbon nanotube solid material and methods for making same May 31, 2005
Buckyrock is a three-dimensional, solid block material comprising an entangled network of single-wall carbon nanotubes (SWNT), wherein the block comprises greater than 75 wt % SWNT. SWNT buckyrock is mechanically strong, tough and impact resistant. The single-wall carbon nanotubes in
6884778 Biocompatible macromers April 26, 2005
A new oligomer based on alternating fumaric acid and poly(ethylene glycol) (PEG) units is provided. The oligo(PEG fumarate) (OPF) may be functionalized by modification with a biocompatible organic group. Further, the OPF may be cross-linked using radical polymerization in the presenc
6875475 Methods for producing submicron metal line and island arrays April 5, 2005
This process results in directed electroless plating of the metal to form discrete metal structures over the entire surface. Because the surface is pre-patterned with passivated regions inert to metal deposition, the metal is directed only to the unstamped regions. This allows the format
6875412 Chemically modifying single wall carbon nanotubes to facilitate dispersal in solvents April 5, 2005
This invention is directed to making chemical derivatives of carbon nanotubes and to uses for the derivatized nanotubes, including making arrays as a basis for synthesis of carbon fibers. In one embodiment, this invention also provides a method for preparing single wall carbon nanotu
6852252 Use of metalnanoshells to impede the photo-oxidation of conjugated polymer February 8, 2005
The present invention relates to incorporating metal nanoshells specifically designed to interact with triplet excitons in polymers. By interacting with triplet excitons, the rate of photo-oxidation can be slowed and the density of luminescence-quenching traps can be reduced.
6841139 Methods of chemically derivatizing single-wall carbon nanotubes January 11, 2005
This invention is directed to making chemical derivatives of carbon nanotubes and to uses for the derivatized nanotubes, including making arrays as a basis for synthesis of carbon fibers. In one embodiment, this invention also provides a method for preparing single wall carbon nanotu
6835366 Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof, and use December 28, 2004
This invention is directed to making chemical derivatives of carbon nanotubes and to uses for the derivatized nanotubes, including making arrays as a basis for synthesis of carbon fibers. In one embodiment, this invention also provides a method for preparing single wall carbon nanotu
6827918 Dispersions and solutions of fluorinated single-wall carbon nanotubes December 7, 2004
This invention is directed to making chemical derivatives of carbon nanotubes and to uses for the derivatized nanotubes, including making arrays as a basis for synthesis of carbon fibers. In one embodiment, this invention also provides a method for preparing single wall carbon nanotu
6824755 Method for producing a catalyst support and compositions thereof November 30, 2004
This invention relates generally to a method for producing single-wall carbon nanotube (SWNT) catalyst supports and compositions thereof. In one embodiment, SWNTs or SWNT structures can be employed as the support material. A transition metal catalyst is added to the SWNT. In a preferred
6812207 Hemoglobin mutants that reduce heme loss November 2, 2004
The present invention relates to methods of reducing heme loss in hemoglobins to produce stability and improve expression yield of hemoglobins, particularly recombinant hemoglobins. Such methods are accomplished by introducing mutations in the alpha or beta subunits of hemoglobins to
6778316 Nanoparticle-based all-optical sensors August 17, 2004
The present invention provides a sensor that includes an optical device as a support for a thin film formed by a matrix containing resonant nanoparticles. The nanoparticles may be optically coupled to the optical device by virtue of the geometry of placement of the thin film. Further,
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