Patents by Inventor John E. Chandler

John E. Chandler 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).

  • Publication number: 20190343494
    Abstract: The present invention provides systems, devices, and methods for cell collection and/or cell smearing (e.g., on a slide). In particular, provided herein is an cell collection device, a translating slide holder, systems comprising such devices, and methods of use thereof.
    Type: Application
    Filed: December 11, 2018
    Publication date: November 14, 2019
    Inventors: Vadim Backman, Hariharan Subramanian, John E. Chandler, Maria Jose Proenca
  • Patent number: 10229310
    Abstract: The present technology provides methods, systems, and apparatuses to achieve high throughput and high speed acquisition of partial wave spectroscopic (PWS) microscopic images. In particular, provided herein are high-throughput, automated partial wave spectroscopy (HT/A-PWS) instruments and systems capable of rapid acquisition of PWS Microscopic images and clinical, diagnostic, and research applications thereof.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 12, 2019
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Vadim Backman, Hariharan Subramanian, John E. Chandler, Craig White, Jeremy D. Rogers, Lusik Cherkezyan
  • Publication number: 20180129863
    Abstract: The present technology provides methods, systems, and apparatuses to achieve high throughput and high speed acquisition of partial wave spectroscopic (PWS) microscopic images. In particular, provided herein are high-throughput, automated partial wave spectroscopy (HT/A-PWS) instruments and systems capable of rapid acquisition of PWS Microscopic images and clinical, diagnostic, and research applications thereof.
    Type: Application
    Filed: October 26, 2017
    Publication date: May 10, 2018
    Inventors: Vadim Backman, Hariharan Subramanian, John E. Chandler, Craig White, Jeremy D. Rogers, Lusik Cherkezyan
  • Patent number: 9830501
    Abstract: The present technology provides methods, systems, and apparatuses to achieve high throughput and high speed acquisition of partial wave spectroscopic (PWS) microscopic images. In particular, provided herein are high-throughput, automated partial wave spectroscopy (HT/A-PWS) instruments and systems capable of rapid acquisition of PWS Microscopic images and clinical, diagnostic, and research applications thereof.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: November 28, 2017
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Vadim Backman, Hariharan Subramanian, John E. Chandler, Craig White, Jeremy D. Rogers, Lusik Cherkezyan
  • Publication number: 20150029326
    Abstract: The present technology provides methods, systems, and apparatuses to achieve high throughput and high speed acquisition of partial wave spectroscopic (PWS) microscopic images. In particular, provided herein are high-throughput, automated partial wave spectroscopy (HT/A-PWS) instruments and systems capable of rapid acquisition of PWS Microscopic images and clinical, diagnostic, and research applications thereof.
    Type: Application
    Filed: July 23, 2014
    Publication date: January 29, 2015
    Inventors: Vadim Backman, Hariharan Subramanian, John E. Chandler, Craig White, Jeremy D. Rogers, Lusik Cherkezyan
  • Publication number: 20140273066
    Abstract: The present invention provides systems, devices, and methods for cell collection and/or cell smearing (e.g., on a slide). In particular, provided herein is an cell collection device, a translating slide holder, systems comprising such devices, and methods of use thereof.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicants: NORTHSHORE UNIVERSITY HEALTHSYSTEM, NORTHWESTERN UNIVERSITY
    Inventors: Vadim Backman, Hariharan Subramanian, John E. Chandler, Maria Jose Proenca
  • Patent number: 5755834
    Abstract: The invention is directed to a method of enhancing the low temperature flow properties of fuels comprising adding to the fuel a heated additive concentrate comprising: (A) at least one nitrogen-containing derivative of carboxylic acid, (B) an organic acid, and (C) at least one other flow improver, wherein the concentrate is heated to at least about 35.degree. C.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: May 26, 1998
    Assignee: Exxon Chemical Patents Inc.
    Inventor: John E. Chandler
  • Patent number: 5514537
    Abstract: A method and apparatus are disclosed for the mechanical sorting of mammalian spermatozoa by sex-type, into a fraction enriched in X-chromosome-bearing spermatozoa, and a fraction enriched in Y-chromosome-bearing spermatozoa. Because of their different DNA content, Y-chromosome spermatozoa are slightly smaller than X-chromosome spermatozoa. A column is packed with two sizes of beads. The size of the smaller beads is chosen such that, on average, Y-chromosome spermatozoa will readily fit into the interstices between the smaller beads, while X-chromosome spermatozoa, on average, will not readily fit into those interstices. The size of the larger beads is chosen such that the smaller beads will not readily fit into the interstices between the larger beads. A liquid sample containing the sperm is run through a column so that the liquid first encounters the larger beads, and then encounters the smaller beads.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: May 7, 1996
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventor: John E. Chandler
  • Patent number: 5484543
    Abstract: Friction modifier additives useful in power transmission compositions, particularly automatic transmission fluids, is disclosed. The additive comprises Component-1 alone formed by condensing a polyamine, such as tetraethylene pentamine, with an aliphatic mono acid, such as isostearic acid, or a mixture, and/or salt, of Component-1 and a Component-2 wherein Component-2 is an acid ester formed by reacting a heterodialkanol such as thiobisethanol and a hydrocarbyl substituted dicarboxylic acid or anhydride, such as octadecenyl succinic anhydride.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: January 16, 1996
    Assignee: Exxon Chemical Patents Inc.
    Inventors: John E. Chandler, Antonio Gutierrez, Jack Ryer, Yasuhiko Yoneto, Ricardo A. Bloch, Raymond F. Watts, Robert D. Lundberg
  • Patent number: 5395539
    Abstract: Friction modifier additives useful in power transmission compositions, particularly automatic transmission fluids, is disclosed. The additive comprises Component-1 alone formed by condensing a polyamine, such as tetraethylene pentamine, with an aliphatic mono acid, such as isostearic acid, or a mixture, and/or salt, of Component-1 and a Component-2 wherein Component-2 is an acid ester formed by reacting a heterodialkanol such as thiobisethanol and a hydrocarbyl substituted dicarboxylic acid or anhydride, such as octadecenyl succinic anhydride.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: March 7, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: John E. Chandler, Antonio Gutierrez, Jack Ryer, Yasuhiko Yoneto, Richardo A. Bloch, Raymond F. Watts, Robert D. Lundberg
  • Patent number: 4782610
    Abstract: The present invention provides an assembly for displaying a sign, including a sign frame and one or more lights disposed on the frame, with each light including one or more electrical conductors for conducting electric current thereto from an electric power source. The display assembly includes an electrical conductor associated with the frame and connectable to the electric power source, a light socket interconnectable with the frame and having a socket opening for receiving the light inserted therein, a connector interconnectable with the light socket and having at least one electrical conductor disposed for electrical contact with the electrical conductor on the light when the light is inserted into the light socket and the light socket is interconnected with the conductor. The electrical conductor on the connector is interconnectable in electrical contact with the electrical conductor on the frame in order to establish electrical communication between the light and the electric power source.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: November 8, 1988
    Assignee: Marketing Displays, Inc.
    Inventors: David U. Hillstrom, Donald R. Gaines, Donald L. Gaines, John E. Chandler
  • Patent number: 4335235
    Abstract: Crystalline co-polybenzyls are prepared by the polymerization of 2,5-dimethylbenzyl chloride with a benzyl halide of the same series.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: June 15, 1982
    Assignee: Exxon Research & Engineering Co.
    Inventors: John E. Chandler, Robert W. Lenz
  • Patent number: 4259475
    Abstract: Polybenzyls of high molecular weight and high crystallinity are obtained by polymerizing aralkyl halides in the presence of a catalyst comprising a complex of a Friedel-Crafts catalyst with a complexing agent which can be a nitroarene or a nitroalkane. The complex catalyst allows the polymerization to be run at higher temperatures and with higher rates. Yields are obtained up to 100%.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: March 31, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventors: Burnett H. Johnson, John E. Chandler, Robert W. Lenz
  • Patent number: 4255562
    Abstract: Crystalline co-polybenzyls are prepared by the polymerization of 2,5-dimethylbenzyl chloride with a benzyl halide of the same series. The polymers have utility in general thermoplastic applications such as, for example, the manufacture of conduits, hoses and pipes, as coatings for wire and cables, the manufacture of seals, molds and mechanical goods, tanks and pipelinings, and in other articles of manufacture.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: March 10, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventors: John E. Chandler, Robert W. Lenz