Patents by Inventor Avelino F. Lima

Avelino F. Lima 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: 9193865
    Abstract: The present invention generally relates to polyamide compositions having improved anti-delamination. More specifically, the present invention relates to novel polyamide compositions demonstrating improved anti-delamination, which can have at least one low purity polyamide.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 24, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F Lima
  • Patent number: 9109114
    Abstract: The present invention generally relates to polyamide compositions having improved anti-delamination. More specifically, the present invention relates to novel polyamide compositions demonstrating improved anti-delamination, which have at least one low purity polyamide.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 18, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F Lima
  • Patent number: 9023903
    Abstract: The present invention generally relates to polyamide compositions having improved anti-delamination. More specifically, the present invention relates to novel polyamide compositions demonstrating improved anti-delamination, in which the compositions have at least one reinforcement agent.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 5, 2015
    Assignee: E I du Pont de Nemours and Company
    Inventor: Avelino F Lima
  • Patent number: 8889781
    Abstract: Disclosed is a thermoplastic composition including a) a recycled thermoplastic including polyamide resin, polyolefin and mineral filler, wherein the recycled thermoplastic includes at least 60 weight percent content of recycled polyamide selected from the group consisting of polyamide 66, polyamide 6, blends of polyamide 66 and polyamide 6, and copolymers having repeat units of polyamide 66 and polyamide 6; and at least 1 weight percent content of polyolefin; b) polymer toughener, wherein the polymer toughener includes at least 50 to 85 weight percent non-functionalized rubber and 15 to 50 weight percent of a functionalized rubber; and c) 10 to 50 reinforcing agent having a minimum aspect ratio of 3; and molded articles manufactured therefrom.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: November 18, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Avelino F Lima, Barbara Ann Wood
  • Publication number: 20140088254
    Abstract: The present invention generally relates to polyamide compositions having improved anti-delamination. More specifically, the present invention relates to novel polyamide compositions demonstrating improved anti-delamination, which can have at least one low purity polyamide.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 27, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F. Lima
  • Publication number: 20140088253
    Abstract: The present invention generally relates to polyamide compositions having improved anti-delamination. More specifically, the present invention relates to novel polyamide compositions demonstrating improved anti-delamination, which have at least one low purity polyamide.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 27, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F. Lima
  • Publication number: 20140088237
    Abstract: The present invention generally relates to polyamide compositions having improved anti-delamination. More specifically, the present invention relates to novel polyamide compositions demonstrating improved anti-delamination, in which the compositions have at least one reinforcement agent.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 27, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F. Lima
  • Publication number: 20130289148
    Abstract: Disclosed is a thermoplastic resin composition including a) a polyamide including repeat units of the formula and repeat units of the formula (b) a polymer toughener blend including b1) a polymeric toughener and b2) at least one nonfunctional polymeric toughener; wherein the polymer toughener blend has an averaged calculated acid number of about 5 to about 15 mg KOH/g before blending into the thermoplastic resin composition.
    Type: Application
    Filed: March 1, 2013
    Publication date: October 31, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F. LIMA
  • Publication number: 20130053503
    Abstract: Disclosed is a thermoplastic composition including a) a recycled thermoplastic including polyamide resin, polyolefin and mineral filler, wherein the recycled thermoplastic includes at least 60 weight percent content of recycled polyamide selected from the group consisting of polyamide 66, polyamide 6, blends of polyamide 66 and polyamide 6, and copolymers having repeat units of polyamide 66 and polyamide 6; and at least 1 weight percent content of polyolefin; b) polymer toughener, wherein the polymer toughener includes at least 50 to 85 weight percent non-functionalized rubber and 15 to 50 weight percent of a functionalized rubber; and c) 10 to 50 reinforcing agent having a minimum aspect ratio of 3; and molded articles manufactured therefrom.
    Type: Application
    Filed: August 21, 2012
    Publication date: February 28, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Avelino F. Lima, Barbara Ann Wood
  • Publication number: 20130053502
    Abstract: Disclosed is a thermoplastic composition including a) a recycled thermoplastic comprising polyamide resin, polyolefin and mineral filler, wherein said recycled thermoplastic comprises at least 60 weight percent content of recycled polyamide and at least 4 weight per cent content of polyolefin; b) 2 to 8 weight percent of a functionalized rubber; c) 2 to less than 10 weight percent reinforcing agent; and d) 0 to 5 weight percent of additives selected from the group.
    Type: Application
    Filed: August 21, 2012
    Publication date: February 28, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F. Lima
  • Publication number: 20110207838
    Abstract: Disclosed is a thermoplastic resin composition including a) 50 to 92 weight percent of a recycled thermoplastic, wherein said recycled thermoplastic includes at least 60 weight percent of a recycled polyamide selected from the group consisting of polyamide 66, polyamide 6, and copolymers having repeat units of polyamide 66 and polyamide 6; and 8 to 30 weight percent of polymer toughener, wherein said polymer toughener comprises at least one acid polymer toughener(s) wherein said polymer toughener has an averaged calculated acid number of about 10 to about 90 mg KOH/g before blending into said thermoplastic composition.
    Type: Application
    Filed: February 21, 2011
    Publication date: August 25, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Avelino F. Lima
  • Patent number: 7592558
    Abstract: An apparatus in which an electrically conductive contact is in slidable contact with a polymeric composition comprising thermoplastic polymer, a fibrous reinforcing agent, and a mineral filler. The Mohs hardness of the electrically conductive contact is within 1 unit of the Mohs hardness of the mineral filler.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: September 22, 2009
    Assignee: E.I. Du Pont De Nemours and Company
    Inventor: Avelino F. Lima
  • Publication number: 20070213434
    Abstract: A process for the preparation of mineral filled polyamide and polyester compositions having increased melt flow, in which polyamide or polyester is melt-blended with at least one aromatic carboxylic acid and/or anhydride, mineral filler, and optionally, one or more additional components, wherein the aromatic carboxylic acid and/or anhydride has a melting point that is no greater than the onset temperature of the melting point endotherm of the polyamide or polyester.
    Type: Application
    Filed: March 8, 2007
    Publication date: September 13, 2007
    Inventor: Avelino F. Lima
  • Publication number: 20040266931
    Abstract: Polyamide compositions and blends toughened with polyvinylbutyral comprising from 10 to 45 wt % mineral filler are disclosed.
    Type: Application
    Filed: March 12, 2004
    Publication date: December 30, 2004
    Inventors: Win-Chung Lee, Avelino F. Lima, I-Chung W. Wang