Now showing items 388-407 of 496

    • Process for making polymers comprising derivatized carbon nanotubes and compositions thereof 

      Tour, James M.; Bahr, Jeffrey L.; Yang, Jiping (2007-12-04)
      The present invention incorporates new processes for blending derivatized carbon nanotubes into polymer matrices to create new polymer/composite materials. When modified with suitable chemical groups using diazonium ...
    • Process for making single-wall carbon nanotubes utilizing refractory particles 

      Smalley, Richard E.; Hauge, Robert H. (2006-11-21)
      A continuous gas-phase method for producing single-wall carbon nanotubes at high catalyst productivity and high yield is disclosed. The method involves the use of a novel in-situ formed catalyst to initiate and grow ...
    • Process for purifying single-wall carbon nanotubes and compositions thereof 

      Smalley, Richard E.; Hauge, Robert H.; Chiang, Wan-Ting (2004-06-22)
      The present invention relates to a 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 ...
    • Process for synthesis of 5.alpha.-cholest-8(14)-en-3.beta.-ol-15-one and other 15-oxygenated sterols 

      Schroepfer, George J., Jr.; Wilson, William K.; Wang, Ker-shi; Kisic, Alemka (1990-01-30)
      A process for preparing 15-oxygenated sterols, such as 3β-hydroxy-5α-cholest-8(14)-ene-15 one, comprising converting 7-dehydrocholesterol to 3β-benzoyloxycholesta-5,7-diene, converting the 3β-benzoyloxycholesta-5,7-diene ...
    • Process utilizing pre-formed cluster catalysts for making single-wall carbon nanotubes 

      Smalley, Richard E.; Hauge, Robert H.; Willis, Peter Athol; Kittrell, Carter W. (2005-07-05)
      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 ...
    • Process utilizing seeds for making single-wall carbon nanotubes 

      Smalley, Richard E.; Hauge, Robert H.; Willis, Peter Athol; Kittrell, Carter W. (2006-05-30)
      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 ...
    • Production method of high strength polycrystalline ceramic spheres 

      Barron, Andrew R.; Defriend, Kimberly A. (2007-05-22)
      A method for making hollow spheres of alumina or aluminate comprises: coating polymeric beads with an aqueous solution of an alumoxane, drying the beads so as to form an alumoxane coating on the beads; heating the beads ...
    • Production of graphene nanoplatelets by oxidative anhydrous acidic media 

      Tour, James M.; Dimiev, Ayrat; Ceriotti, Gabriel (2017-12-12)
      Methods of producing graphene nanoplatelets by exposing graphite to a medium to form a dispersion of graphite in the medium. In some embodiments, the exposing results in formation of graphene nanoplatelets from the graphite. ...
    • Production of single-walled carbon nanotube grids 

      Hauge, Robert H.; Xu, Ya-Qiong; Pheasant, Sean (2013-12-03)
      A method of forming a nanotube grid includes placing a plurality of catalyst nanoparticles on a grid framework, contacting the catalyst nanoparticles with a gas mixture that includes hydrogen and a carbon source in a ...
    • Production of vertical arrays of small diameter single-walled carbon nanotubes 

      Hauge, Robert H.; Xu, Ya-Qiong (2013-08-13)
      A hot filament chemical vapor deposition method has been developed to grow at least one vertical single-walled carbon nanotube (SWNT). In general, various embodiments of the present invention disclose novel processes for ...
    • Prostate cancer point of care diagnostics 

      McDevitt, John T.; Christodoulides, Nicolaos; Floriano, Pierre N.; Thompson, Ian (2017-06-06)
      The invention relates to point of care diagnostic disposables, devices, methods, and systems for diagnosing or predicting prostate cancer. The present invention employs biomarker specific reagents in disposable cassettes ...
    • Protecting hardware circuit design by secret sharing 

      Roy, Jarrod A.; Koushanfar, Farinaz; Markov, Igor L. (2014-05-20)
      Techniques are able to lock and unlock and integrated circuit (IC) based device by encrypting/decrypting a bus on the device. The bus may be a system bus for the IC, a bus within the IC, or an external input/output bus. A ...
    • Protein fragment complementation assay for thermophiles 

      Silberg, Jonathan; Nguyen, Peter Q. (2012-08-07)
      A protein fragment complementation assay for thermophiles is provided wherein a thermophilic bacteria having a temperature-sensitive adenylate kinase is transformed with one or more vectors having sequences encoding a first ...
    • Providing information to a user through somatosensory feedback 

      Eagleman, David M.; Novich, Scott (2017-04-18)
      A hearing device may provide hearing-to-touch sensory substitution as a therapeutic approach to deafness. Through use of signal processing on received signals, the hearing device may provide better accuracy with the ...
    • Providing information to a user through somatosensory feedback 

      Eagleman, David M.; Novich, Scott (2018-07-10)
      A hearing device may provide hearing-to-touch sensory substitution as a therapeutic approach to deafness. Through use of signal processing on received signals, the hearing device may provide better accuracy with the ...
    • PUF authentication and key-exchange by substring matching 

      Rostami, Masoud; Majzoobi, Mehrdad; Koushanfar, Farinaz; Wallach, Daniel S.; Devadas, Srinivas (2017-04-18)
      Mechanisms for operating a prover device and a verifier device so that the verifier device can verify the authenticity of the prover device. The prover device generates a data string by: (a) submitting a challenge to a ...
    • Pulsed-multiline excitation for color-blind fluorescence detection 

      Scott, Graham B. I.; Kittrell, Carter W.; Curl, Robert F.; Metzker, Michael L. (2009-03-31)
      The present invention provides a technology called Pulse-Multiline Excitation or PME. This technology provides a novel approach to fluorescence detection with application for high-throughput identification of informative ...
    • Pulsed-multiline excitation for color-blind fluorescence detection 

      Scott, Graham B. I.; Kittrell, Carter W.; Curl, Robert F.; Metzker, Michael L. (2012-01-03)
      The present invention provides a technology called Pulse-Multiline Excitation or PME. This technology provides a novel approach to fluorescence detection with application for high-throughput identification of informative ...
    • Pulsed-multiline excitation for color-blind fluorescence detection 

      Scott, Graham B. I.; Kittrell, Carter W.; Curl, Robert F.; Metzker, Michael L. (2006-02-07)
      The present invention provides a technology called Pulse-Multiline Excitation or PME. This technology provides a novel approach to fluorescence detection with application for high-throughput identification of informative ...
    • Purification of carbon nanotubes based on the chemistry of fenton's reagent 

      Marek, Irene Morin; Wang, Yuhuang; Hauge, Robert H.; Shan, Hongwei (2009-02-24)
      The present invention is directed to methods of purifying carbon nanotubes (CNTs). In general, such methods comprise the following steps: (a) preparing an aqueous slurry of impure CNT material; (b) establishing a source ...