• pH dependent polymer micelles 

      Stephen Webber; Thomas J. Martin (United States Patent and Trademark Office, 1999-09-21)
      The present invention relates to the use of poly(vinyl N-heterocycle)-block-poly(alkylene oxide) copolymers in micelle containing pharmaceutical formulations. The copolymers advantageously respond to pH differences in the ...
    • Pharmaceutical compositions comprising texaphyrins 

      Jonathan L. Sessler; Gregory W. Hemmi; Tarak D. Mody (United States Patent and Trademark Office, 2000-05-30)
      Texaphyrins are provided for use as radiation sensitizers. Advantageous properties of texaphyrins for use as a radiation sensitizer include: i) a low redox potential which allows radiation-induced hydrated electrons to ...
    • Phenol-alkoxylate co-solvent surfactant composition 

      Gary A. Pope; Upali P. Weerasooriya (United States Patent and Trademark Office, 2019-01-01)
      Provided herein are, inter alia, compositions including a surfactant and a phenol-alkoxylate co-solvent useful in enhanced oil recovery. The compositions and methods provided herein are particularly useful for oil recovery ...
    • Phenol-alkoxylate co-solvent surfactant composition 

      Gary A. Pope; Upali P. Weerasooriya (United States Patent and Trademark Office, 2019-01-29)
      Provided herein are, inter alia, compositions including a surfactant and a phenol-alkoxylate co-solvent useful in enhanced oil recovery. The compositions and methods provided herein are particularly useful for oil recovery ...
    • Phosphoramidite derivatives of macrocycles 

      Jonathan L. Sessler; Shaun P. Crofts; Darren Magda (United States Patent and Trademark Office, 1998-11-17)
      The invention is directed to phosphoramidite derivatives of macrocycles, such as porphyrins and expanded porphyrins, including sapphyrins and texaphyrins. The phosphoramidite derivatives are useful as intermediates in the ...
    • Phosphoramidite derivatives of texaphyrins 

      Jonathan L. Sessler; Brent L. Iverson; Shaun P. Crofts; Darren Magda; Petra I. Sansom (United States Patent and Trademark Office, 1997-05-27)
      The invention is directed to a method of incorporating expanded porphyrins, and particularly of incorporating a sapphyrin or a texaphyrin, before, during, or after chemical synthesis of an oligomer to form an expanded ...
    • Photocatalytic methods for preparing metallized powders 

      Allen J. Bard; Wendell W. Dunn; Bernhard Kraeutler (United States Patent and Trademark Office, 1981-04-28)
      Photocatalytic methods are disclosed for the preparation of metallized powders. Specifically, such methods include the photodeposition of platinum, copper and other metals on TiO.sub.2 powder and other semiconductor powders. ...
    • Photodynamic activity of sapphyrins 

      Anthony M. Harriman; Jonathan L. Sessler; Bhaskar G. Maiya (United States Patent and Trademark Office, 1992-06-09)
      The present invention includes a method to produce singlet oxygen from molecular oxygen generated by reaction with a sapphyrin compound excited at an absorbing wavelength to form a triplet species. Specifically, the sapphyrin ...
    • Photodynamic viral deactivation with sapphyrins 

      Millard M. Judy; Anthony M. Harriman; J. Lester Matthews; Joseph T. Newman; Jonathan L. Sessler; Frank Sogandares-Bernal; Bhaskar G. Maiya (United States Patent and Trademark Office, 1991-08-20)
      The present invention demonstrates a method of photodynamic inactivation of viruses having a membranous envelope, such as Herpes simplex type 1 and Human immunodeficiency type 1 viruses. The method uses substituted sapphyrin ...
    • Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers 

      Hubbell, Jeffrey A.; Pathak, Chandrashekhar P.; Sawhney, Amarpreet S.; Desai, Neil P.; Hill-West, Jennifer L. (United States Patent and Trademark Office, 2000-05-09)
      Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers ...
    • Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers 

      Jeffrey A. Hubbell; Amarpreet S. Sawhney; Neil P. Desai; Chandrashekhar P. Pathak; Jennifer L. Hill (United States Patent and Trademark Office, 1995-04-25)
      Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers ...
    • Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers 

      Jeffrey A. Hubbell; Amarpreet S. Sawhney; Neil P. Desai; Chandrashekhar P. Pathak; Jennifer L. Hill (United States Patent and Trademark Office, 2003-08-05)
      Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers ...
    • Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers 

      Jeffrey A. Hubbell; Amarpreet S. Sawhney; Neil P. Desai; Chandrashekhar P. Pathak; Jennifer L. Hill (United States Patent and Trademark Office, 1997-05-06)
      Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers ...
    • Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers 

      Jeffrey A. Hubbell; Amarpreet S. Sawhney; Neil P. Desai; Chandrashekhar P. Pathak; Jennifer L. Hill-West (United States Patent and Trademark Office, 1996-10-22)
      Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers ...
    • Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers 

      Jeffrey A. Hubbell; Amarpreet S. Sawhney; Neil P. Desai; Chandrashekhar P. Pathak; Jennifer L. Hill-West (United States Patent and Trademark Office, 2000-05-09)
      Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers ...
    • Photopolymerizable compositions for solventless fiber spinning 

      Kadhiravan Shanmuganathan; Christopher John Ellison (United States Patent and Trademark Office, 2019-03-05)
      Disclosed are methods of fiber spinning and polymer fibers that utilize multifunctional thiol and enes compounds. Also, the subject matter disclosed herein relates to uses of polymer fibers and articles prepared from such fibers.
    • Photoresist compositions comprising norbornene derivative polymers with acid labile groups 

      C. Grant Willson; Uzodinma Okoroanyanwu; David Medieros (United States Patent and Trademark Office, 2000-08-15)
      Provided herein are photoresist compositions for use particularly in 193 nm lithography. These compositions generally comprise a polymer of norbornene and a photo acid generator. The disclosed compositions provide transparency ...
    • Physically unclonable functions based on non-linearity of sub-threshold operation 

      Michael E. Orshansky (United States Patent and Trademark Office, 2015-01-20)
      An electronic circuit for implementing a physically unclonable function. The electronic circuit includes duplicate circuits, referred to as “circuit primitives,” that generate a first and a second output voltage based on ...
    • Plasmonic laser nanoablation methods 

      Xun Guo; Adela Ben-Yakar; Daniel Eversole (United States Patent and Trademark Office, 2010-11-16)
      A novel femtosecond laser nano-ablation technique called Plasmonic Laser Nano-Ablation (PLN). The technique takes advantage of surface-enhanced plasmonic scattering of ultrashort laser pulses by nanoparticles to vaporize ...
    • Plasmonic-magnetic bifunctional nanotubes for biological applications 

      Xiaobin Xu; Donglei Fan (United States Patent and Trademark Office, 2017-05-02)
      The present invention includes nanotubes or rods, methods and arrays using plasmonic-magnetic bifunctional nanotubes or rods comprising: one or more silica nanotubes or rods; one or more nanomagnets embedded in a portion ...