Patents by Inventor Eliomar Ricardo PIMENTA

Eliomar Ricardo PIMENTA 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: 11746220
    Abstract: Compositions may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the polymer melt blend composition possesses improved flowability and impact resistance for low thickness rotomolding applications. Low thickness articles may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the articles possess improved finishing properties. Rotomolding processes may include melt blending from two polyethylene copolymers having different densities, pulverizing the melt blend, and rotational molding the composition thereof.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 5, 2023
    Assignee: Braskem S.A.
    Inventor: Eliomar Ricardo Pimenta
  • Patent number: 11691317
    Abstract: The present invention relates to a composition for application in rotomolding processes comprising a blend of linear low density polyethylene (LLDPE) in concentrations from 20 to 40% by weight and melt flow index from 1 to 4 g/10 min; high density polyethylene (HDPE) in concentrations from 20 to 40% by weight and melt flow index from 5 to 9 g/10 min; low density polyethylene (LDPE) in concentrations from 0 to 20% by weight and melt flow index from 6 to 10 g/10 min; and linear low density polyethylene (LLDPE) in concentrations from 20 to 40% by weight and melt flow index from 3 to 7 g/10 min. A composition comprising feedstock of renewable origin, as well as its use is also disclosed.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: July 4, 2023
    Assignee: Braskem S.A.
    Inventor: Eliomar Ricardo Pimenta
  • Publication number: 20210388190
    Abstract: Compositions may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the polymer melt blend composition possesses improved flowability and impact resistance for low thickness rotomolding applications. Low thickness articles may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the articles possess improved finishing properties. Rotomolding processes may include melt blending from two polyethylene copolymers having different densities, pulverizing the melt blend, and rotational molding the composition thereof.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 16, 2021
    Applicant: Braskem S.A.
    Inventor: Eliomar Ricardo Pimenta
  • Publication number: 20210060828
    Abstract: The present invention relates to a composition for application in rotomolding processes comprising a blend of linear low density polyethylene (LLDPE) in concentrations from 20 to 40% by weight and melt flow index from 1 to 4 g/10 min; high density polyethylene (HDPE) in concentrations from 20 to 40% by weight and melt flow index from 5 to 9 g/10 min; low density polyethylene (LDPE) in concentrations from 0 to 20% by weight and melt flow index from 6 to 10 g/10 min; and linear low density polyethylene (LLDPE) in concentrations from 20 to 40% by weight and melt flow index from 3 to 7 g/10 min. A composition comprising feedstock of renewable origin, as well as its use is also disclosed.
    Type: Application
    Filed: December 26, 2017
    Publication date: March 4, 2021
    Applicant: Braskem S.A.
    Inventor: Eliomar Ricardo PIMENTA