Patents by Inventor Otavio Mambrim Filho

Otavio Mambrim Filho 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: 20230265610
    Abstract: The present invention is related to a method to produce a treated condensate substantially free of organic matter by treating the condensate with at least one of physical, chemical, chemical-physical treatment or combinations thereof. Further, it is also provided a method to treat a condensate in a pulp processing fiber line utilizing multiple washing stages having at least a treated condensate circulating in a closed loop, prior to feeding the condensate into the fiber line, the method comprising the steps of: a) identifying the colloidal organic compounds in the condensate; b) subjecting the condensate to at least one chemical, physical, chemical-physical treatment or a combination thereof; and c) reducing contamination of the condensate, feeding it to the last washer stage, or to some other stage of the pulping.
    Type: Application
    Filed: June 17, 2021
    Publication date: August 24, 2023
    Applicants: SUZANO S.A., NIKEDE COMERCIO E REPRESENTAÇÕES LTDA.
    Inventors: Dimas DE MORAIS, Otávio Mambrim FILHO
  • Publication number: 20220127789
    Abstract: The present invention relates to an enhanced process for the production of cellulose pulps with increased quality and applicability of said pulps, especially their physical resistance properties and degree of resistance to drainage, through an enzymatic treatment step comprised in the production process of said cellulose pulp, concomitantly with the polymer dosage based on carbohydrates.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 28, 2022
    Inventors: Otávio MAMBRIM FILHO, Leonardo Alves De Melo
  • Patent number: 11248344
    Abstract: The present invention relates to an enhanced process for the production of cellulose pulps with increased quality and applicability of said pulps, especially their physical resistance properties and degree of resistance to drainage, through an enzymatic treatment step comprised in the production process of said cellulose pulp, concomitantly with the polymer dosage based on carbohydrates.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: February 15, 2022
    Assignee: Suzano S.A.
    Inventors: Otávio Mambrim Filho, Leonardo Alves De Melo
  • Publication number: 20200109512
    Abstract: The present invention refers to a process for producing cellulose of market eucalyptus fibers having distinct features through the use of at least one enzymatic treatment with hydrolytic enzymes, such as for example, xylanases, cellulases or mixtures thereof, in association to at least one acidic treatment step. These treatments may be applied into different steps of the fibers process producing, wherein all of them happen before drying.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 9, 2020
    Inventors: Braz Jose Demuner, Otavio Mambrim Filho
  • Patent number: 10519597
    Abstract: The present invention refers to a process for producing cellulose of market eucalyptus fibers having distinct features through the use of at least one enzymatic treatment with hydrolytic enzymes, such as for example, xylanases, cellulases or mixtures thereof, in association to at least one acidic treatment step. These treatments may be applied into different steps of the fibers process producing, wherein all of them happen before drying.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: December 31, 2019
    Assignee: Suzano S.A.
    Inventors: Braz Jose Demuner, Otavio Mambrim Filho
  • Publication number: 20190062999
    Abstract: The present invention relates to an enhanced process for the production of cellulose pulps with increased quality and applicability of said pulps, especially their physical resistance properties and degree of resistance to drainage, through an enzymatic treatment step comprised in the production process of said cellulose pulp, concomitantly with the polymer dosage based on carbohydrates.
    Type: Application
    Filed: December 27, 2016
    Publication date: February 28, 2019
    Inventors: Otávio MAMBRIM FILHO, Leonardo ALVES DE MELO
  • Publication number: 20120322997
    Abstract: The present invention refers to a process for producing cellulose of market eucalyptus fibers having distinct features through the use of at least one enzymatic treatment with hydrolytic enzymes, such as for example, xylanases, cellulases or mixtures thereof, in association to at least one acidic treatment step. These treatments may be applied into different steps of the fibers process producing, wherein all of them happen before drying.
    Type: Application
    Filed: October 16, 2009
    Publication date: December 20, 2012
    Applicant: ARACRUZ CELULOSE S.A.
    Inventors: Braz José Demuner, Otávio Mambrim Filho
  • Publication number: 20100036113
    Abstract: The present invention relates to an improved process for processing chemical cellulose pulp wherein carboxymethylcellulose (CMC) is added during the bleaching step of said pulp. The addition of CMC in this step of the bleaching process provides a pulp with improved physical, chemical and mechanical properties.
    Type: Application
    Filed: March 26, 2007
    Publication date: February 11, 2010
    Inventors: Otavio Mambrim Filho, Rosaria Luisa Mainieri