Patents by Inventor Aylvin J. A. A. Dias

Aylvin J. A. A. Dias 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).

  • COATING COMPOSITION COMPRISING AN ANTIMICROBIAL COPOLYMER
    Publication number: 20110123475
    Abstract: The invention relates to a coating composition comprising an antimicrobial hydrophilic copolymer consisting of a macromer and a comonomer, the use of said coating composition in medical applications and, in particular in a medical device and to a medical device comprising the coating composition, preferably selected from catheters, endoscopes, laryngoscopes, tubes for feeding or drainage or endotracheal use or oesophageal use. The coating composition can further comprise a hydrophilic polymer, a polyelectrolyte and a photo-initiator.
    Type: Application
    Filed: February 18, 2009
    Publication date: May 26, 2011
    Inventors: Aylvin J.A.A. Dias, Jacobus A. Loontjens
  • COATING COMPOSITION COMPRISING AN ANTIMICROBIAL CROSS-LINKER
    Publication number: 20110060070
    Abstract: The invention relates to a coating composition comprising an antimicrobial cross-linker, the use of said coating composition in medical applications and, in particular in a medical device and a medical device, preferably selected from catheters, endoscopes, laryngoscopes, tubes for feeding or drainage or endotracheal use or oesophageal use, comprising the coating composition. The coating composition can further comprise a hydrophilic polymer, a polyelectrolyte and a photo-initiator.
    Type: Application
    Filed: February 18, 2009
    Publication date: March 10, 2011
    Inventor: Aylvin J.A.A. Dias
  • Radiation curable resin composition and rapid prototyping process using the same
    Patent number: 7183040
    Abstract: The invention relates to a radiation curable composition comprising relative to the total weight of the composition (A) 0–29 wt % of a cationically curable component having a linking aliphatic ester group, (B) 10–85 wt % of an epoxygroup containing component other than A, (C) 1–50 wt % of an oxetanegroup containing component, (D) 1–25 wt % of a multifunctional acrylate and a radical photoinitiator and a cationic photoinitiator.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: February 27, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: Jens C Thies, Aylvin J. A. A. Dias, John A. Lawton, David L. Winmill, Jigeng Xu, Xiaorong You
  • Radiation curable compositions
    Patent number: 6916855
    Abstract: The invention relates to a radiation curable composition comprising radiation curable components wherein at least one component of the radiation curable composition contains a functional group which, when attached to an acrylate group has a calculated Boltzmann average dipole moment of higher than 3.5 Debye. The invention further relates to radiation curable optical fiber coating compositions having a high dielectric constant.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: July 12, 2005
    Assignee: DSM IP Assets B.V.
    Inventors: Johan F. G. A. Jansen, Aylvin J. A. A. Dias, Marko Dorschu, Betty B Coussens
  • Radiation curable resin composition and rapid prototyping process using the same
    Publication number: 20040142274
    Abstract: The invention relates to a radiation curable composition comprising relative to the total weight of the composition (A) 0-29 wt % of a cationically curable component having a linking aliphatic ester group, (B) 10-85 wt % of an epoxygroup containing component other than A, (C) 1-50 wt % of an oxetanegroup containing component, (D) 1-25 wt % of a multifunctional acrylate and a radical photoinitiator and a cationic photoinitiator.
    Type: Application
    Filed: July 21, 2003
    Publication date: July 22, 2004
    Inventors: Jens C. Thies, Aylvin J.A.A. Dias, John A. Lawton, David L. Winmill, Jigeng Xu
  • Powder paint binder composition
    Patent number: 6740415
    Abstract: The invention relates to a radiation curable powder paint binder composition comprising a radiation curable compound being a mono or multi valent carboxylic ester of a &bgr;, &ggr;, &dgr;, or &egr;-hydroxyalkylamide group containing compound, in which the carboxylic ester is derived from an &agr;, &bgr;-ethylenically unsaturated carboxylic acid.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: May 25, 2004
    Assignee: DSM N.V.
    Inventors: Rudolfus A. T. M. Van Benthem, Saskia Udding-Louwrier, Johan F. G. A. Jansen, Aylvin J. A. A. Dias
  • Radiation curable compositions
    Publication number: 20030149127
    Abstract: The invention relates to a radiation curable composition comprising radiation curable components wherein at least one component of the radiation curable composition contains a functional group which, when attached to an acrylate group has a calculated Boltzmann average dipole moment of higher than 3.5 Debye. The invention further relates to radiation curable optical fiber coating compositions having a high dielectric constant.
    Type: Application
    Filed: November 21, 2001
    Publication date: August 7, 2003
    Inventors: Johan F.G.A. Jansen, Aylvin J.A.A. Dias, Marko Dorschu, Betty B. Coussens
  • Radiation-curable compound derived from a hydroxyalkylamide
    Patent number: 6437016
    Abstract: The invention relates to a radiation curable compound being a mono or multi valent carboxylic ester of a compound containing a hydroxyalkylamidegroup and a hydroxygroup in which the carboxylic ester is derived from an &agr;,&bgr;-ethylenically unsaturated carboxylic acid. A coating composition comprising this compound has a high rate of polymerisation and shows the desired chemical and mechanical properties.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: August 20, 2002
    Assignee: DSM N.V.
    Inventors: Johan F. G. A. Jansen, Aylvin J. A. A. Dias, Pascal M. H. P. Tijssen
  • Fully indentifiable optical fiber assemblies
    Publication number: 20010048797
    Abstract: The present invention relates to a radiation-curable composition comprising, in the uncured state, at least one monomer or oligomer having a radiation-curable functional group which can form free radicals in the presence of actinic radiation, a photoinitiator for said monomer or oligomer present in an amount sufficient to effect radiation cure of said monomer or oligomers and a contrasting agent which causes an observable change in the cured composition upon exposure to energy from a high energy tunable light source.
    Type: Application
    Filed: March 13, 2001
    Publication date: December 6, 2001
    Inventors: Saskia I. Van Dijk, Aylvin J. Dias, Jacob L. De Haas, Mark G. Tilley, Timothy P. Reichert
  • Radiation-curable compound
    Publication number: 20010020050
    Abstract: The invention relates to a radiation curable compound being a mono or multi valent carboxylic ester of a compound containing a hydroxyalkylamidegroup and a hydroxygroup in which the carboxylic ester is derived from an &agr;,&bgr;-ethylenically unsaturated carboxylic acid.
    Type: Application
    Filed: January 8, 2001
    Publication date: September 6, 2001
    Inventors: Johan F.G.A. Jansen, Aylvin J.A.A. Dias, Pascal M.H.P. Tijssen
  • Radiation-curable polymer
    Publication number: 20010006730
    Abstract: The invention relates to a polymer having at least one group derived from a carboxylic ester of a hydroxyalkylamide and an &agr;,&bgr;-ethylenically unsaturated carboxylic acid and a radiation curable composition comprising this polymer.
    Type: Application
    Filed: January 8, 2001
    Publication date: July 5, 2001
    Inventors: Rudolfus A.T.M. Van Benthem, John F.G.A. Jansen, Aylvin J.A.A. Dias
  • Powder paint binder composition
    Publication number: 20010007010
    Abstract: The invention relates to a radiation curable powder paint binder composition comprising a radiation curable compound being a mono or multi valent carboxylic ester of a &bgr;, &ggr;, &dgr;, or &egr;-hydroxyalkylamide group containing compound, in which the carboxylic ester is derived from an &agr;, &bgr;-ethylenically unsaturated carboxylic acid.
    Type: Application
    Filed: January 5, 2001
    Publication date: July 5, 2001
    Inventors: Rudolfus A.T.M. Van Benthem, Saskia Udding-Louwrier, Johan F.G.A. Jansen, Aylvin J.A.A. Dias
  • Radiation-curable composition
    Patent number: 6245829
    Abstract: The invention relates to a radiation curable composition comprising a mono or mulit valent carboxylic ester of a &bgr;-hydroxyalkylamide group containing compound, in which the carboxylic ester is derived from an &agr;,&bgr;-ethylenically unsaturated carboxylic acid. A coating composition based on this composition has a high rate of polymerisation and shows the desired chemical and mechanical properties.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: June 12, 2001
    Assignee: DSM NV
    Inventors: Theodoor H. Meij, Marten Houweling, Aylvin J. A. A. Dias, Johan F. G. A. Jansen, Rudolfus A. T. M. Van Benthem