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Val J Krukonis

age ~87

from Lexington, MA

Also known as:
  • Vac Krukonis
  • Val M Krukonis
  • V Krukonis
8 Muster Ct, Lexington, MA 02420(781)8625651

Val Krukonis Phones & Addresses

  • 8 Muster Ct, Lexington, MA 02420 • (781)8625651
  • 287 Emerson Rd, Lexington, MA 02420
  • Lawrence, MA

Work

  • Company:
    Phasex corp
  • Position:
    Pres

Industries

Chemicals

Resumes

Val Krukonis Photo 1

President Of Phasex Corporation

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Position:
pres at phasex corp
Location:
Greater Boston Area
Industry:
Chemicals
Work:
phasex corp
pres

Isbn (Books And Publications)

Supercritical Fluid Extraction: Principles and Practice

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Author
Val J. Krukonis

ISBN #
0750692448

Us Patents

  • Method For Drying Water-Borne Materials

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  • US Patent:
    7186796, Mar 6, 2007
  • Filed:
    Feb 25, 2003
  • Appl. No.:
    10/373542
  • Inventors:
    Val Krukonis - Lexington MA,
    Kara T. Williams - Saugus MA,
    Anthony Gudinas - Atkinson NH,
    Hans Schonemann - Newburyport MA,
    Paula Wetmore - Chelmsford MA,
  • Assignee:
    Phasex Corporation - Lawrence MA
  • International Classification:
    A61K 38/28
    A61K 9/14
    A61K 9/127
    G01N 33/00
  • US Classification:
    530303, 430350, 430399, 424 45, 424 46, 424450, 424491, 424499, 422 681, 422 81, 422101
  • Abstract:
    Provided is a method of isolating a bio-molecule from a water-borne mixture, the method comprising: contacting the water-borne mixture with dimethyl ether to form solid particles of the bio-molecule.
  • Processing Of Carbon/Carbon Composites Using Supercritical Fluid Technology

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  • US Patent:
    5035921, Jul 30, 1991
  • Filed:
    Jan 19, 1988
  • Appl. No.:
    7/145071
  • Inventors:
    Philip L. Berneburg - Potomac MD
    Val J. Krukonis - Lexington MA
  • Assignee:
    The Babcock & Wilcox Company - New Orleans LA
  • International Classification:
    B05D 302
  • US Classification:
    427226
  • Abstract:
    A process for improving the oxidation resistance of carbon or graphite fiber reinforced carbon composites includes infiltrating the structure with a ceramic precursor-laden supercritical fluid, depositing the ceramic precursor within the internal porosity and pyrolyzing the precursor material in situ.
  • Gas Anti-Solvent Recrystallization Process

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  • US Patent:
    5360478, Nov 1, 1994
  • Filed:
    Jun 28, 1991
  • Appl. No.:
    7/723245
  • Inventors:
    Val J. Krukonis - Lexington MA
    P. M. Gallagher - Lowell MA
    M. P. Coffey - Leominster MA
  • Assignee:
    Phasex Corporation - Lawrence MA
  • International Classification:
    C30B 700
  • US Classification:
    117 68
  • Abstract:
    Disclosed is a method for recrystallizing solid materials (e. g. RDX) from systems comprised of a solute, which is the eventual material recrystallized, a liquid which is a suitable solvent for the solute, and a gaseous component which is soluble within the solvent and whose presence therein causes the solvent to approach or attain a supersaturated state, thereby precipitating (recrystallizing) the solute material. By control of process parameters (pressure, temperature, time, and rate, rate of injection of gas, etc. ) the operator can influence the properties of the material recrystallized.
  • Gas Anti-Solvent Recrystallization And Application For The Separation And Subsequent Processing Of Rdx And Hmx

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  • US Patent:
    5389263, Feb 14, 1995
  • Filed:
    May 20, 1992
  • Appl. No.:
    7/886603
  • Inventors:
    Paula M. Gallagher - Bradford MA
    Val J. Krukonis - Lexington MA
    Michael P. Coffey - Townsend MA
  • Assignee:
    Phasex Corporation - Lawrence MA
  • International Classification:
    B01D 2101
  • US Classification:
    210729
  • Abstract:
    Disclosed is a process for recrystallizing materials that are ordinarily difficult-to-comminute. The process utilizes supercritical fluids and gasses at conditions near their respective vapor pressures which have the ability to dissolve in and expand liquid solutions. The process has been shown to be particularly effective at separating HMX and RDX thereby resulting in a precipitate of RDX which is essentially free of HMX.
  • Processes To Generate Submicron Particles Of Water-Insoluble Compounds

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  • US Patent:
    6177103, Jan 23, 2001
  • Filed:
    Jun 18, 1999
  • Appl. No.:
    9/335735
  • Inventors:
    Gary W. Pace - Raleigh NC
    Michael G. Vachon - Quebec,
    Awadhesh K. Mishra - Quebec,
    Inge B. Henrikson - Stavanger,
    Val Krukonis - Lexington MA
  • Assignee:
    RTP Pharma, Inc. - Durham NC
  • International Classification:
    A61K 914
  • US Classification:
    424489
  • Abstract:
    Submicron particles of water-insoluble compounds, particularly drugs, are prepared by simultaneously stabilizing microparticulate suspensions of same with surface modifier molecules by rapid expansion into an aqueous medium from a compressed solution of the compound and surface modifiers in a liquefied gas and optionally homogenizing the aqueous suspension thus formed with a high pressure homogenizer.
  • Method Of Depositing Material On A Heated Substrate

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  • US Patent:
    3985917, Oct 12, 1976
  • Filed:
    Feb 11, 1974
  • Appl. No.:
    5/440092
  • Inventors:
    Val J. Krukonis - Lexington MA
  • Assignee:
    Avco Corporation - Cincinnati OH
  • International Classification:
    B05D 314
    B05D 512
  • US Classification:
    427 52
  • Abstract:
    The invention is directed to the deposition of a coating on a substrate by reacting vaporized chemicals on contact with a heated surface to deposit a coating. According to the invention, the deposition surface is cleaned and coated in a single stage reactor. Means are also provided--where a boron deposit is wanted--to deposit an amorphous boron coating on the deposition surface.
  • Process For Sizing Prednisolone Acetate Using A Supercritical Fluid Anti-Solvent

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  • US Patent:
    5803966, Sep 8, 1998
  • Filed:
    Nov 1, 1995
  • Appl. No.:
    8/551549
  • Inventors:
    Alok K. Kulshreshtha - Arlington TX
    Garnet G. Smith - Colleyville TX
    Scott D. Anderson - Marlboro MA
    Val J. Krukonis - Lexington MA
  • Assignee:
    Alcon Laboratories, Inc. - Fort Worth TX
  • International Classification:
    G30B 700
    A61K 914
  • US Classification:
    117 68
  • Abstract:
    A process employing a supercritical fluid anti-solvent for sizing prednisolone acetate is disclosed. The process optionally incorporates sterilization filters. Average particle sizes of about 1. mu. m or less (number average) and narrow particle size ranges are obtainable. The process comprises the steps of (a) forming a solution by dissolving prednisolone acetate in acetone such that the concentration of prednisolone acetate is approximately 80% or less of its solubility in acetone; and (b) transporting the solution formed in step (a) through an orifice having a diameter of 50-100. mu. m into a mixer/expander containing compressed CO. sub. 2, wherein the compressed CO. sub. 2 is at a temperature from about 40. degree. to 80. degree. C. and has a density less than the density of the solution by at least 0. 3 g/cc, to expand the solution so that the acetone dissolves in the CO. sub.
  • Pressure Pulse Cleaning

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  • US Patent:
    5514220, May 7, 1996
  • Filed:
    Dec 9, 1992
  • Appl. No.:
    7/988196
  • Inventors:
    Paula M. Wetmore - Bradford MA
    Val J. Krukonis - Lexington MA
    Michael P. Coffey - Townsend MA
  • International Classification:
    B08B 9093
  • US Classification:
    134 2218
  • Abstract:
    The present invention is a method which relies on pressure pulse cleaning. By "pressure pulse cleaning" it is meant that the pressure and temperature of a fluid, such as carbon dioxide is raised to near or above supercritical conditions, which is then contacted with the item(s) to be cleaned. Periodically, the pressure of the supercritical fluid is pulsed or spiked to higher levels and returned to substantially the original level. Potential candidates for treatment by the present invention include but are not limited to precision parts such as gyroscopes used in missile guidance systems, accelerometers, thermal switches, nuclear valve seals, electromechanical assemblies, polymeric containers, special camera lenses, laser optics components, and porous ceramics.

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