Patents by Inventor Maarten Hendrik Witvliet

Maarten Hendrik Witvliet 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: 20170157236
    Abstract: The present invention pertains to a vaccine comprising a non-replicating immunogen of porcine circo virus type 2 for use in prophylactically treating an animal that has circulating antibodies directed against porcine circo virus type 2, against an infection with pathogenic porcine circo virus type 2 by a single dose administration of the vaccine into the dermis of the animal.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 8, 2017
    Applicant: Intervet Inc.
    Inventors: Vicky Fachinger, Melanie Sno, Maarten Hendrik Witvliet
  • Publication number: 20160303218
    Abstract: The present invention pertains to a vaccine comprising in combination killed whole cell Lawsonia intracellularis bacteria and porcine circo virus 2 (PCV2) ORF2 protein for use in protecting a pig against an infection with Lawsonia intracellularis and PCV2 by an intradermal administration of the vaccine. The invention also pertains to a method to protect a swine against an infection with Lawsonia intracellularis bacteria and PCV2.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 20, 2016
    Applicant: Intervet Inc.
    Inventors: Antonius Arnoldus Christiaan Jacobs, Vicky Fachinger, Melanie Sno, Maarten Hendrik Witvliet
  • Publication number: 20140178435
    Abstract: The present invention pertains to the use of Haemophilus parasuis bacteria of serotype 5 expressing an iron-restriction protein visible on a Western-blot when reacted with serum of a convalescent animal which has recovered from an infection by Haemophilus parasuis bacteria of serotype 4, the said protein not being visible on a Western-blot when Haemophilus parasuis bacteria of serotype 5 grown under iron-replete conditions, are reacted under the same conditions, in a vaccine to protect a subject animal against a disorder arising from Haemophilus parasuis serotype 4 bacteria.
    Type: Application
    Filed: February 25, 2014
    Publication date: June 26, 2014
    Inventors: Maarten Hendrik Witvliet, Selma Marianne Hensen, Ruud Philip Antoon Maria Segers
  • Publication number: 20130064852
    Abstract: The invention pertains to a vaccine comprising Mycoplasma hyopneumoniae antigens for intradermal application to an animal that has maternally derived antibodies directed against Mycoplasma hyopneumoniae, to actively protect the animal against a disorder arising from an infection with Mycoplasma hyopneumoniae. The invention also pertains to the manufacture of this vaccine and a method of protecting an animal by administrating this vaccine.
    Type: Application
    Filed: May 10, 2011
    Publication date: March 14, 2013
    Applicant: INTERVET INTERNATIONAL B.V.
    Inventor: Maarten Hendrik Witvliet
  • Publication number: 20130039941
    Abstract: The present invention pertains to the use of Haemophilus parasuis bacteria of serotype 5 expressing an iron-restriction protein visible on a Western-blot when reacted with serum of a convalescent animal which has recovered from an infection by Haemophilus parasuis bacteria of serotype 4, the said protein not being visible on a Western-blot when Haemophilus parasuis bacteria of serotype 5 grown under iron-replete conditions, are reacted under the same conditions, in a vaccine to protect a subject animal against a disorder arising from Haemophilus parasuis serotype 4 bacteria.
    Type: Application
    Filed: April 22, 2011
    Publication date: February 14, 2013
    Applicant: INTERVET INTERNATIONAL B.V.
    Inventors: Maarten Hendrik Witvliet, Selma Marianne Hensen, Ruud Philip Antoon Maria Segers
  • Publication number: 20110014237
    Abstract: The present invention pertains to the use of Haemophilus parasuis serotype 5 bacteria in the manufacture of a vaccine for administration to a pregnant sow or gilt, to protect a piglet through the intake of colostrum of the said sow or gilt after she has farrowed, against a disorder arising from Haemophilus parasuis serotype 4 bacteria. The invention also pertains to Haemophilus parasuis serotype 5 bacteria for use in the manufacture of such a vaccine.
    Type: Application
    Filed: March 25, 2009
    Publication date: January 20, 2011
    Inventors: Ruud Philip Antoon Maria Segers, Maarten Hendrik Witvliet, Selma Marianne Hensen
  • Publication number: 20100062025
    Abstract: The present invention relates to the use of a vaccine comprising Clostridium perfringens type C bacterium for protecting swine against Clostridium perfringens type A infection.
    Type: Application
    Filed: November 19, 2007
    Publication date: March 11, 2010
    Applicant: Intervet International B.V.
    Inventors: Maarten Hendrik Witvliet, Jozef Franciscus Maria Smeets, Keith Redhead
  • Patent number: 7045122
    Abstract: The present invention relates to live attenuated Salmonella strains comprising a first attenuating mutation, that are not capable of making functional RecA. The invention also relates to these bacteria for use in vaccines. Furthermore, the invention relates to vaccines based upon these bacteria, to the use of such bacteria in the manufacture of vaccines and to methods for the preparation of such vaccines.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: May 16, 2006
    Assignee: Akzo Nobel N.V.
    Inventors: Petrus Johannes Maria Nuijten, Maarten Hendrik Witvliet
  • Publication number: 20040052802
    Abstract: The present invention relates to live attenuated Salmonella strains comprising a first attenuating mutation, that are not capable of making functional RecA. The invention also relates to these bacteria for use in vaccines. Furthermore, the invention relates to vaccines based upon these bacteria, to the use of such bacteria in the manufacture of vaccines and to methods for the preparation of such vaccines.
    Type: Application
    Filed: May 16, 2003
    Publication date: March 18, 2004
    Inventors: Petrus Johannes Maria Nuijten, Maarten Hendrik Witvliet
  • Publication number: 20010021386
    Abstract: The present invention relates to Salmonella bacteria for use as a vaccine. The invention also relates to vaccines based thereon that are useful for the prevention of microbial pathogenesis. Further, the invention relates to the use of such bacteria or the manufacture of such vaccines. Finally, the invention relates to methods for the preparation of such vaccines.
    Type: Application
    Filed: December 27, 2000
    Publication date: September 13, 2001
    Inventors: Petrus Johannes Maria Nuijten, Maarten Hendrik Witvliet
  • Patent number: 6001348
    Abstract: The present invention provides NAD-independent Mycoplasma synoviae of strain MS1. The invention also refers to microbiological cultures comprising Mycoplasma synoviae of this strain. Next to this, the invention refers to live vaccines derived from these strains, for the protection of poultry against Mycoplasma synoviae infection. Furthermore, the invention provides methods for the preparation of such vaccines. Also, the use of NAD-independent Mycoplasma synoviae strains for the preparation of live vaccines for the protection of poultry against Mycoplasma synoviae infection is disclosed.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: December 14, 1999
    Assignee: Akzo Nobel N.V.
    Inventor: Maarten Hendrik Witvliet