Patents by Inventor Rebecca Spooner Korwin

Rebecca Spooner Korwin 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).

  • Compartmentalized pellet for improved contaminant removal
    Patent number: 8986582
    Abstract: This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: March 24, 2015
    Assignee: M & G USA Corporation
    Inventors: Delane Nagel Richardson, Edwin A. Sisson, Rebecca Spooner Korwin
  • COMPARTMENTALIZED PELLET FOR IMPROVED CONTAMINANT REMOVAL
    Publication number: 20140217637
    Abstract: This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.
    Type: Application
    Filed: April 14, 2014
    Publication date: August 7, 2014
    Applicant: M & G USA Corporation
    Inventors: Delane Nagel Richardson, Edwin A. Sisson, Rebecca Spooner Korwin
  • Compartmentalized pellet for improved contaminant removal
    Patent number: 8696960
    Abstract: This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: April 15, 2014
    Assignee: M & G USA Corporation
    Inventors: Delane Nagel Richardson, Edwin A. Sisson, Rebecca Spooner Korwin
  • COMPARTMENTALIZED PELLET FOR IMPROVED CONTAMINANT REMOVAL
    Publication number: 20110163473
    Abstract: This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.
    Type: Application
    Filed: February 25, 2011
    Publication date: July 7, 2011
    Inventors: Delane Nagel Richardson, Edwin A. Sisson, Rebecca Spooner Korwin
  • Compartmentalized pellet for improved contaminant removal
    Patent number: 7931968
    Abstract: This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: April 26, 2011
    Assignee: M & G USA Corporation
    Inventors: Delane Nagel Richardson, Edwin A. Sisson, Rebecca Spooner Korwin