Patents by Inventor Patrick Dauchy

Patrick Dauchy 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).

  • Patent number: 11279843
    Abstract: A coating slip including at least one pigment, water and: between 30% and 90% by weight of dextrin (A) of at least one dextrin having a weight-average molecular weight MA of less than 500 kDa; between 10% and 70% by weight of dextrin (B) of at least one dextrin having a weight-average molecular weight MB; the weight amounts of dextrins being relative to the total amount of the mixture of dextrins (A) and (B) in the composition, characterized in that MB is greater than MA+50 kDa. Also, a process for coating paper including a step of coating with this slip, and also to the paper obtained at the end of this process.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 22, 2022
    Assignee: Roquette Freres
    Inventors: Ludivine Onic, Christian Bouxin, Timo Pajari, Patrick Dauchy
  • Publication number: 20200140715
    Abstract: A coating slip including at least one pigment, water and: between 30% and 90% by weight of dextrin (A) of at least one dextrin having a weight-average molecular weight MA of less than 500 kDa; between 10% and 70% by weight of dextrin (B) of at least one dextrin having a weight-average molecular weight MB; the weight amounts of dextrins being relative to the total amount of the mixture of dextrins (A) and (B) in the composition, characterized in that MB is greater than MA+50 kDa. Also, a process for coating paper including a step of coating with this slip, and also to the paper obtained at the end of this process.
    Type: Application
    Filed: December 16, 2019
    Publication date: May 7, 2020
    Inventors: Ludivine ONIC, Christian BOUXIN, Timo PAJARI, Patrick DAUCHY
  • Patent number: 10323158
    Abstract: A coating slip includes water, at least one pigment and at least one modified starch, exhibiting: a weight-average molecular weight ranging from 250 000 to 2 000 000 Da; and a solubility, measured according to a test A, ranging from 50 to 85%. A process for the preparation of the slip, and a process for coating paper using this slip are also described.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: June 18, 2019
    Assignee: Roquettes Freres
    Inventors: Julien Mesnager, Vincent Wiatz, Patrick Dauchy, Ludivine Onic
  • Publication number: 20160075900
    Abstract: A coating slip including at least one pigment, water and: between 30% and 90% by weight of dextrin (A) of at least one dextrin having a weight-average molecular weight MA of less than 500 kDa; between 10% and 70% by weight of dextrin (B) of at least one dextrin having a weight-average molecular weight MB; the weight amounts of dextrins being relative to the total amount of the mixture of dextrins (A) and (B) in the composition, characterized in that MB is greater than MA+50 kDa. Also, a process for coating paper including a step of coating with this slip, and also to the paper obtained at the end of this process.
    Type: Application
    Filed: April 22, 2014
    Publication date: March 17, 2016
    Inventors: Ludivine ONIC, Christian BOUXIN, Timo PAJARI, Patrick DAUCHY
  • Publication number: 20140329104
    Abstract: A coating slip includes water, at least one pigment and at least one modified starch, exhibiting: a weight-average molecular weight ranging from 250 000 to 2 000 000 Da; and a solubility, measured according to a test A, ranging from 50 to 85%. A process for the preparation of the slip, and a process for coating paper using this slip are also described.
    Type: Application
    Filed: November 16, 2012
    Publication date: November 6, 2014
    Applicant: ROQUETTE FRERES
    Inventors: Julien Mesnager, Vincent Wiatz, Patrick Dauchy, Ludivine Onic
  • Publication number: 20100159104
    Abstract: A method for cooking a starchy composition, includes: (a) a first step of mixing at least one starch powder with an aqueous starch fluid, wherein the ratio of the mixture of the starch powder to the aqueous starch fluid is such that the total starch content of the mixture obtained is greater than 45% by weight, and wherein the first step is carried out in a cooking chamber maintained at a temperature at least equal to the highest gelatinization temperature (GT) of all the starches present in the mixture, for a period of time sufficient to obtain a colloidal solution of starch, and (b) a second step comprising heating the colloidal solution of starch obtained in step (a), at a pressure greater than atmospheric pressure and at a temperature of between 120° C. and 180° C.
    Type: Application
    Filed: March 19, 2007
    Publication date: June 24, 2010
    Applicant: Roquette Freres
    Inventors: Christophe Bastien, Christian Bouxin, Patrick Dauchy, Ludivine Onic, Philippe Sabre