• Laminar construct for tissue-engineered dermal equivalent 

      Laura Suggs; Shanmugasundaram Natesan; Ge Zhang; Robert J. Christy; Thomas Walters (United States Patent and Trademark Office, 2014-12-30)
      Compositions and methods for creating a laminar construct for tissue-engineered dermal equivalent are provided. One composition provided herein comprises a hydrogel matrix comprising two or more hydrogels layers and a ...
    • Lanthanum-yttrium oxide scintillators and use thereof 

      Chen, Wei; Sahi, Sunil K. (United States Patent and Trademark Office, 2019-01-22)
      The disclosure relates to lanthanum-yttrium oxide scintillators used for detecting radiation, such as X-rays, gamma rays and thermal neutron radiation and charged particles, in security, medical imaging, particle physics ...
    • Lanthanum-yttrium oxide scintillators and use thereof 

      Chen, Wei (United States Patent and Trademark Office, 2017-08-22)
      The disclosure relates to lanthanum-yttrium oxide scintillators used for detecting radiation, such as X-rays, gamma rays and thermal neutron radiation and charged particles, in security, medical imaging, particle physics ...
    • Large area patterning of nano-sized shapes 

      Dwayne L. LaBrake; Sidlgata V. Sreenivasan; Frank Y. Xu; Shuqiang Yang (United States Patent and Trademark Office, 2013-09-10)
      Methods for creating nano-shaped patterns are described. This approach may be used to directly pattern substrates and/or create imprint lithography molds that may be subsequently used to directly replicate nano-shaped ...
    • Large area roll-to-roll imprint lithography 

      Sidlgata V. Sreenivasan; Byung-Jin Choi; Ian McMackin; Shrawan Singhal (United States Patent and Trademark Office, 2012-05-29)
      Droplets of polymerizable material may be patterned on a film sheet. The droplets of polymerizable material may be dispensed on the film sheet. A pre-determined force may be applied to an imprint lithography template such ...
    • Large hydrophobe surfactants 

      Gary A. Pope; Upali P. Weerasooriya; Peter Paul Radford; Howard Stevenson (United States Patent and Trademark Office, 2018-06-05)
      Provided herein are inter alia novel compositions and methods having application in the field of enhanced oil recovery. In particular, the large hydrophobe compounds and mixtures thereof presented herein can be used, inter ...
    • Laser treatment of cutaneous vascular lesions 

      Thomas E. Milner; Eric K. Chan; Jennifer K. Barton; Ashley J. Welch; Gracie Vargas (United States Patent and Trademark Office, 2005-09-13)
      Methods for treating maladies such as cutaneous vascular lesions. A patient in need of vascular lesion treatment is identified. A hyperosmotic agent is administered to a region adjacent the lesion. Blood flow velocity is ...
    • Laser-directed fabrication of full-density metal articles using hot isostatic processing 

      Douglas W. Freitag; Joseph J. Beaman, Jr.; David L. Bourell (United States Patent and Trademark Office, 1997-06-17)
      " A method of fabricating a fully-dense three-dimensional metal article is disclosed. According to a first embodiment of the invention, the interior portion of the article is formed by way of selective laser sintering, in ...
    • LED doped with periflanthene for efficient red emission 

      Allen J. Bard; Homer Antoniadis (United States Patent and Trademark Office, 1999-12-21)
      An OLED having a cathode constructed from a first conducting layer. An electron transport layer constructed from a first electron transport material overlays the cathode. An electroluminescent layer constructed from the ...
    • Light co-solvent compositions 

      Gary A. Pope; Upali P. Weerasooriya (United States Patent and Trademark Office, 2018-10-23)
      Provided herein are inter alia non-surfactant aqueous compositions and methods having application in the field of enhanced oil recovery. In particular, non-surfactant compositions including light co-solvents and an alkali ...
    • Light-emitting nanoparticles and method of making same 

      Keith P. Johnston; Brian A. Korgel (United States Patent and Trademark Office, 2005-01-25)
      A method for the production of a robust, chemically stable, crystalline, passivated nanoparticle and composition containing the same, that emit light with high efficiencies and size-tunable and excitation energy tunable ...
    • Lightweight high L' electromagnetic launcher 

      James L. Bacon; Richard L. Laughlin; John H. Price (United States Patent and Trademark Office, 1995-10-03)
      Methods and apparatus related to design and construction of lightweight and mobile railgun barrels having high L' (inductance per unit length). The barrels comprise stacked metallic annular laminations in combination with ...
    • Lipoidal biopterin compounds 

      Folkers, Karl A.; Laesecke, Klaus P. (United States Patent and Trademark Office, 1985-10-29)
      " The present invention provides lipoidal biopterin and tetrahydrobiopterin compounds of the general structure: ##STR1## wherein --R is absent when ring B has two double bonds, PA0 --R is hydrogen when the two double bonds ...
    • Lipopolysaccharide-specific acyloxyacyl hydrolase 

      Munford, Robert S.; Hall, Catherine L. (United States Patent and Trademark Office, 1991-05-07)
      " An acyloxyacyl hydrolase from the human promyelocyte cell line HL-60 has been found to specifically hydrolyze fatty acids from their ester linkages to hydroxy groups of 3-hydroxyfatty acids, the latter being being bound ...
    • Liposomal-polyene preliposomal powder and method for its preparation 

      Lenk, Robert P.; Lopez-Berestein, Gabriel; Mehta, Reeta (United States Patent and Trademark Office, 1993-01-12)
      A method is disclosed for preparing a stable preliposomal powder which, when reconstituted with water or saline solution, forms a suspension of liposomes containing a polyene drug, such as nystatin. The method involves the ...
    • Liposome-mediated transfection of central nervous system cells 

      Hayes, Ronald L.; Yang, Keyi; Faustinella, Fabrizia (United States Patent and Trademark Office, 2000-08-01)
      Disclosed are methods for use in transferring nucleic acids into central nervous system cells in vivo and in vitro and/or for stimulating central nervous system cells. Neurotrophic genes are shown to stimulate neurofilament ...
    • Lithium/dissolved polysulfide rechargeable lithium—sulfur batteries and methods of making the same 

      Arumugam Manthiram; Yongzhu Fu (United States Patent and Trademark Office, 2016-09-13)
      In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present ...
    • Lithographic template and method of formation and use 

      Carlton Willson; Douglas J. Resnick; David P. Mancini (United States Patent and Trademark Office, 2005-05-10)
      This invention relates to a lithographic template, a method of forming the lithographic template and a method for forming devices with the lithographic template. The lithographic template (10, 110, 210) is formed having a ...
    • Local delivery of fibrinolysis enhancing agents 

      Jeffrey A. Hubbell; Jennifer L. Hill-West; Randall C. Dunn (United States Patent and Trademark Office, 1995-11-21)
      A method of preventing adhesions by topical administration of fibrinolysis enhancing agents is described. The method uses a topically applied polymeric matrix for delivery of a fibrinolyic agent, preferably urokinase, or ...
    • Low bandgap polymers from fused dithiophene diester 

      John P. Ferraris; Tim L. Lambert; Santiago Rodriguez (United States Patent and Trademark Office, 1996-04-23)
      The present invention involves monomeric compounds having the structure: ##STR1## Substituents W and Z are independently --CN, --NO.sub.2, -aryl, -aryl-V, --COX, SO.sub.2 R, --H, or -alkyl. Substituent X is --OR, or --NR,R ...