Patents by Inventor John Dorgan

John Dorgan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9796921
    Abstract: The present disclosure is directed to liquid boron compounds for use in scintillation. The present disclosure further relates to liquid boron compounds for admixture to plastic and liquid scintillators.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: October 24, 2017
    Assignee: Colorado School of Mines
    Inventors: Cory Pecinovsky, Pascale Meysing, Adam Mahl, John Dorgan, Uwe Greife, Tyler Remedes
  • Publication number: 20160355729
    Abstract: The present disclosure is directed to liquid boron compounds for use in scintillation. The present disclosure further relates to liquid boron compounds for admixture to plastic and liquid scintillators.
    Type: Application
    Filed: August 5, 2014
    Publication date: December 8, 2016
    Inventors: Cory Pecinovsky, Pascale Meysing, Adam Mahl, John Dorgan, Uwe Greife, Tyler Remedes
  • Publication number: 20070277973
    Abstract: The present disclosure relates to a system and method of providing water management and utilization during the process of dewatering and retorting of oil shale. More specifically, the process described relates to co-producing potable and non-potable water, for various uses, during the extraction of petroleum from shale oil deposits. Generally, the process allows the production of multiple streams of waters or varying salinity and pressures at least one of which is of high enough pressure for reinsertion into geological formations or reservoirs, and another which may supply a potable water source. In one embodiment, the high pressure required for reinserting the non-potable water into geological formation or reservoirs may be utilized for producing the potable water supply. In another embodiment, the non-potable water supply may also be used for entraining and sequestering undesired emissions, such as CO2.
    Type: Application
    Filed: May 21, 2007
    Publication date: December 6, 2007
    Inventor: John Dorgan
  • Publication number: 20060235113
    Abstract: The invention provides methods of producing composite polymers by combining fillers with polymers in the presence of preformed high molecular weight polymer. Monomer polymerization can be initiated through the addition of initiators or by reactive chemical groups on the surface of the fibers. The composite materials formed possess superior mechanical properties compared to similar polymer composites made by either purely mechanical mixing or solely polymerization of monomers in the presence of the fillers.
    Type: Application
    Filed: March 10, 2006
    Publication date: October 19, 2006
    Inventors: John Dorgan, Birgit Braun
  • Patent number: 6103716
    Abstract: A novel compound having antibacterial activity according to the the formula ##STR1## The compound of the present invention may be prepared from (9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido [3,2,1-ij]-1,3,4-benzadiazine-6-carboxylic acid by treatment with an oxidizing agent, such as hydrogen peroxide in the presence of an aqueous inorganic base. Additionally, there are provided methods for treating animals, including humans, suffering from bacterial infections.
    Type: Grant
    Filed: September 9, 1998
    Date of Patent: August 15, 2000
    Assignee: Pfizer Inc.
    Inventors: Roderick John Dorgan, David Walter Gottschall
  • Patent number: 5962659
    Abstract: Novel compounds of formula (I): ##STR1## wherein R.sup.1 is hydrogen or optionally protected hydroxy; R.sup.2 is alkoxy, optionally protected hydroxy, oxo or optionally O-substituted oximino; R.sup.3 is hydrogen, optionally protected hydroxy,or a group 4'-(.alpha.-L-oleandrosyl)-.alpha.-L-oleandrosyloxy or .alpha.-L-oleandrosyloxy wherein the terminal hydroxy group is optionally protected; R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are the same or different and each is hydrogen or an organic radical; and R.sup.8 is an optionally substituted amino or imino group such as optionally O-substituted oxyimino, optionally N-substituted hydrazone, or optionally N-substituted semicarbazone; are useful in the treatment of helminthiasis in humans and animals.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: October 5, 1999
    Assignee: Pfizer, Inc.
    Inventors: Geoffrey Harold Baker, Roderick John Dorgan, David Owen Morgan, Peter Robin Shelley, Simon Edward Blanchflower
  • Patent number: 5721271
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or (E)-2-methyl 2-butenoyloxy, and R.sup.3 is hydrogen or hydroxy, with the proviso that when R.sup.3 is hydrogen, R.sup.1 and R.sup.2 are both hydrogen, and when R.sup.2 is (E)-2-methyl 2-butenoyloxy, R.sup.1 is methyl; the compound of formula (II): ##STR2## and the compound of formula (III): ##STR3## are obtainable by the fermentation of Streptomyces E225 NCIB 12310 or Streptomyces E225B NCIB 12509. The compounds have anthelmintic utility.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: February 24, 1998
    Assignee: Pfizer Inc.
    Inventors: Rhona Mary Banks, Geoffrey Harold Baker, Roderick John Dorgan, Mark Edward Poulton