Patents by Inventor Robert Dotter

Robert Dotter 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).

  • Modified polylactic acid, polymeric blends and methods of making the same
    Patent number: 10113062
    Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: October 30, 2018
    Assignee: FINA TECHNOLOGY, INC.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • High melt strength polypropylene and methods of making same
    Patent number: 9890226
    Abstract: A high melt strength polypropylene is formed using maleated polypropylene and a combination of coupling agents and acid neutralizers. The maleated polypropylene can be formed using multi-functional monomers. The high melt strength polypropylene can be useful for foaming, sheet extrusion thermoforming, extrusion blow molding, extrusion coating, fiber, film, and the like.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: February 13, 2018
    Assignee: FINA TECHNOLOGY, INC.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • Modified Polylactic Acid, Polymeric Blends and Methods of Making the Same
    Publication number: 20170096555
    Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.
    Type: Application
    Filed: December 14, 2016
    Publication date: April 6, 2017
    Inventors: Fengkui Li, John Ashbauch, David Rauscher, Robert Dotter
  • Modified polylactic acid, polymeric blends and methods of making the same
    Patent number: 9550892
    Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: January 24, 2017
    Assignee: FINA TECHNOLOGY, INC.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • Compatibilized polymeric compositions comprising polyolefin-polylactic acid copolymers and methods of making the same
    Patent number: 9327476
    Abstract: Polymeric compositions and processes of forming the same are described herein. The processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of a radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: May 3, 2016
    Assignee: FINA TECHNOLOGY, INC.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • Polypropylene and polylactic acid blends of injection stretch blow molding applications
    Patent number: 9206305
    Abstract: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: December 8, 2015
    Assignee: FINA TECHNOLOGY, Inc.
    Inventors: Fengkui Li, Luyi Sun, John Ashbaugh, David Rauscher, Leland Daniels, Robert Dotter
  • High Melt Strength Polypropylene and Methods of Making Same
    Publication number: 20150307639
    Abstract: A high melt strength polypropylene is formed using maleated polypropylene and a combination of coupling agents and acid neutralizers. The maleated polypropylene can be formed using multi-functional monomers. The high melt strength polypropylene can be useful for foaming, sheet extrusion thermoforming, extrusion blow molding, extrusion coating, fiber, film, and the like.
    Type: Application
    Filed: July 6, 2015
    Publication date: October 29, 2015
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • POLYPROPYLENE AND POLYLACTIC ACID BLENDS OF INJECTION STRETCH BLOW MOLDING APPLICATIONS
    Publication number: 20140141189
    Abstract: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.
    Type: Application
    Filed: November 22, 2013
    Publication date: May 22, 2014
    Applicant: FINA TECHNOLOGY, Inc.
    Inventors: Fengkui Li, Luyi Sun, John Ashbaugh, David Rauscher, Leland Daniels, Robert Dotter
  • MODIFIED POLYLACTIC ACID, POLYMERIC BLENDS AND METHODS OF MAKING THE SAME
    Publication number: 20140072746
    Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.
    Type: Application
    Filed: November 15, 2013
    Publication date: March 13, 2014
    Applicant: FINA TECHNOLOGY, INC.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • Polypropylene and polylactic acid blends of injection stretch blow molding applications
    Patent number: 8642701
    Abstract: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: February 4, 2014
    Assignee: Fina Technology, Inc.
    Inventors: Fengkui Li, Luyi Sun, John Ashbaugh, David Rauscher, Leland Daniels, Robert Dotter
  • Compatibilized Polymeric Compositions Comprising Polyolefin-Polylactic Acid Copolymers and Methods of Making the Same
    Publication number: 20140023869
    Abstract: Polymeric compositions and processes of forming the same are described herein. The Processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of a radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer.
    Type: Application
    Filed: September 26, 2013
    Publication date: January 23, 2014
    Applicant: FINA TECHNOLOGY, INC.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • Modified polylactic acid, polymeric blends and methods of making the same
    Patent number: 8628718
    Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: January 14, 2014
    Assignee: Fina Technology, Inc.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • Compatibilized polymeric compositions comprising polyolefin-polylactic acid copolymers and methods of making the same
    Patent number: 8586192
    Abstract: Polymeric compositions and processes of forming the same are described herein. The processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 19, 2013
    Assignee: Fina Technology, Inc.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • High Melt Strength Polypropylene and Methods of Making Same
    Publication number: 20120220730
    Abstract: A high melt strength polypropylene is formed using maleated polypropylene and a combination of coupling agents and acid neutralizers. The maleated polypropylene can be formed using multi-functional monomers. The high melt strength polypropylene can be useful for foaming, sheet extrusion thermoforming, extrusion blow molding, extrusion coating, fiber, film, and the like.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Applicant: Fina Technology, Inc.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • MODIFIED POLYLACTIC ACID, POLYMERIC BLENDS AND METHODS OF MAKING THE SAME
    Publication number: 20120211927
    Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 23, 2012
    Applicant: Fina Technology, Inc.
    Inventors: FENGKUI LI, John Ashbaugh, David Rauscher, Robert Dotter
  • COMPATIBILIZED POLYMERIC COMPOSITIONS COMPRISING POLYOLEFIN-POLYLACTIC ACID COPOLYMERS AND METHODS OF MAKING THE SAME
    Publication number: 20120208037
    Abstract: Polymeric compositions and processes of forming the same are described herein. The processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer.
    Type: Application
    Filed: February 15, 2011
    Publication date: August 16, 2012
    Applicant: Fina Technology, Inc.
    Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
  • POLYPROPYLENE AND POLYLACTIC ACID BLENDS OF INJECTION STRETCH BLOW MOLDING APPLICATIONS
    Publication number: 20110195210
    Abstract: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.
    Type: Application
    Filed: February 8, 2011
    Publication date: August 11, 2011
    Applicant: Fina Technology, Inc.
    Inventors: FENGKUI LI, Luyi Sun, John Ashbaugh, David Rauscher, Leland Daniels, Robert Dotter
  • Polystyrene compositions and methods of making and using same
    Publication number: 20090030095
    Abstract: Disclosed is a method comprising contacting polystyrene with carbon black and expandable microspheres to form a composition, and expanding the microspheres to foam the composition. Also disclosed is a foamed composition comprising polystyrene, carbon black, and expandable microspheres. The inventive polystyrene compositions have improved mechanical properties.
    Type: Application
    Filed: July 24, 2007
    Publication date: January 29, 2009
    Inventors: Kenneth S. Laverdure, Robert Dotter