Patents by Inventor Tim de Graaf

Tim de Graaf 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).

  • Method for the determination of the presence of an antibiotic in a fluid
    Patent number: 9523112
    Abstract: The present invention provides a method and test for the determination of the presence or absence of an antibiotic in a sample such as milk.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: December 20, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Dhiredj Chandre Jagesar, Tim De Graaf, Truke Widel Smoor
  • METHOD FOR THE DETERMINATION OF THE PRESENCE OF AN ANTIBIOTIC IN A FLUID
    Publication number: 20150050679
    Abstract: The present invention provides a method and test for the determination of the presence or absence of an antibiotic in a sample such as milk.
    Type: Application
    Filed: October 18, 2012
    Publication date: February 19, 2015
    Inventors: Dhiredj Chandre Jagesar, Tim De Graaf, Truke Widel Smoor
  • Combination of reader and incubator
    Patent number: 8325341
    Abstract: A detection arrangement for detecting presence of an analyte in a sample includes a processor, a memory, a display, a color measuring device, and a temperature controller for maintaining a constant temperature or a temperature profile of the sample. A method is also provided for determining the presence or absence of an analyte in a fluid by analysis of image data from an assay that generates an image result on an assay medium.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: December 4, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Jacobus Stark, Pieter Cornelis Langeveld, Bastiaan Groen, Tim de Graaf, Willem Plugge
  • Combination of reader and incubator
    Patent number: 8072602
    Abstract: A detection arrangement for detecting presence of an analyte in a sample includes a processor, a memory, a display, a color measuring device, and a temperature controller for maintaining a constant temperature or a temperature profile of the sample. A method is also provided for determining the presence or absence of an analyte in a fluid by analysis of image data from an assay that generates an image result on an assay medium.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: December 6, 2011
    Assignee: DMS IP Assets B.V.
    Inventors: Jacobus Stark, Pieter Cornelis Langeveld, Bastiaan Groen, Tim de Graaf, Willem Plugge
  • COMBINATION OF READER AND INCUBATOR
    Publication number: 20110292391
    Abstract: A detection arrangement for detecting presence of an analyte in a sample includes a processor, a memory, a display, a color measuring device, and a temperature controller for maintaining a constant temperature or a temperature profile of the sample.
    Type: Application
    Filed: August 11, 2011
    Publication date: December 1, 2011
    Applicant: DSM IP Assets B.V.
    Inventors: Jacobus STARK, Pieter Cornelis, Bastiaan Groen, Tim de Graaf, Willem Plugge
  • Oligosaccharides in a test system for the determination of the presence of an antibiotic in a fluid
    Patent number: 7824882
    Abstract: Provided is a test system, a test method and a test kit for the determination of the presence of an antibiotic in a fluid based on a test medium comprising a test organism, at least one substance that provides a solid state, nutrients and an indicator, wherein the end-pH of said test medium at or after the time required for said determination is equal to or higher than 7.2 Said pH value can be realized by adding oligosaccharides, preferably a disaccharide or trisaccharide (eg. Lactose, gentobiose, maltotriose). Most preferably, said oligosaccharide is a non-reducing oligosaccharide (eg. Raffinose, sucrose or trehalose).
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: November 2, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: Pieter Cornelis Langeveld, Johannes Theodorus Arie van Pelt, Jacobus Stark, Tim de Graaf
  • COMBINATION OF READER AND INCUBATOR
    Publication number: 20090306905
    Abstract: The present invention provides a detection arrangement for detecting presence of an analyte in a sample, comprising a processor, a memory, a display, and a color measuring device, characterized in that a means is present for maintaining a constant temperature or a temperature profile of said sample.
    Type: Application
    Filed: February 7, 2007
    Publication date: December 10, 2009
    Inventors: Jacobus Stark, Pieter Cornelis Langeveld, Bastiaan Groen, Tim de Graaf, Willem Plugge
  • Device for sampling a fluid and detecting an analyte therein
    Publication number: 20090023175
    Abstract: Provided is a device for detecting an analyte in a fluid comprising a first compartment (1) having an open end (1.2) and a closed end (1.1) wherein said closed end holds a medium (1.3) comprising a substance with which said analyte can be detected and a second compartment (2) having two open ends (2.1, 2.2) wherein the one open end (2.1) of the second compartment is connectable to the open end (1.2) of the first compartment and the other open end of the second compartment has a means (2.3.2) for withdrawing a predetermined volume of said fluid.
    Type: Application
    Filed: October 20, 2005
    Publication date: January 22, 2009
    Inventors: Remco Maria Es, Tim de Graaf, Marinus Hubertus Nicolaas Berg, Frederic William Clifton Tassie