Patents by Inventor JOSEPH A. SEVERANCE

JOSEPH A. SEVERANCE 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).

  • BRANCHED AMORPHOUS POLYAMIDE (CO)POLYMERS AND METHODS OF MAKING AND USING SAME
    Publication number: 20230167243
    Abstract: Branched amorphous polyamide (co)polymers having a backbone formed by reacting a reaction mixture including at least 25 mol % of a di-amine selected from a secondary di-amine, a branched di-amine, or a combination thereof; and an aliphatic acid blend including a branched aliphatic dimer acid and a branched aliphatic trimer acid. The molar equivalent ratio of the di¬ amine to the aliphatic acid blend is 0.9-1.1. Preferably, the branched amorphous polyamide (co)polymer is not telechelic. The branched amorphous polyamide (co)polymer preferably exhibits one or more of a shear modulus of from 10,000 to 500,000 Pa at 70° C., a complex viscosity of greater than 1,000,000 mPa*s at 70° C., a glass transition temperature of less than 25° C., or a number average molecular weight of greater than 10,000 Da. Biodegradable and/or compostable adhesive articles including the branched amorphous polyamide (co)polymer also are disclosed.
    Type: Application
    Filed: April 13, 2021
    Publication date: June 1, 2023
    Inventors: Rajdeep S. Kalgutkar, David T. Amos, Ignatius A. Kadoma, Joseph A. Severance, Jilliann M. Nelson, Annabelle Watts, Jonathan J. Anderson, Kimberly C.M. Schultz
  • Segmented silicone polyamide block copolymers and articles containing the same
    Patent number: 10865330
    Abstract: Segmented silicone polyamide block copolymers that comprise dimer acid residues and articles containing the same.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 15, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Rajdeep S. Kalgutkar, Ramesh C. Kumar, David S. Hays, Joseph A. Severance, Timothy M. Hackbarth
  • Segmented silicone polyamide block copolymers and articles containing the same
    Patent number: 10640614
    Abstract: Segmented silicone polyamide block copolymers that comprise dimer acid residues and articles containing the same.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: May 5, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Rajeep S. Kalgutkar, Ramesh C. Kumar, David S. Hays, Joseph A. Severance, Timothy M. Hackbarth
  • SEGMENTED SILICONE POLYAMIDE BLOCK COPOLYMERS AND ARTICLES CONTAINING THE SAME
    Publication number: 20190292325
    Abstract: Segmented silicone polyamide block copolymers that comprise dimer acid residues and articles containing the same.
    Type: Application
    Filed: July 20, 2017
    Publication date: September 26, 2019
    Inventors: Rajeep S. KALGUTKAR, Ramesh C. KUMAR, David S. Hays, Joseph A. SEVERANCE, Timothy M. HACKBARTH
  • SEGMENTED SILICONE POLYAMIDE BLOCK COPOLYMERS AND ARTICLES CONTAINING THE SAME
    Publication number: 20190225843
    Abstract: Segmented silicone polyamide block copolymers that comprise dimer acid residues and articles containing the same.
    Type: Application
    Filed: July 26, 2017
    Publication date: July 25, 2019
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Rajeep S. KALGUTKAR, Ramesh C. KUMAR, David S. Hays, Joseph A. SEVERANCE, Timothy M. HACKBARTH
  • Copolymers of poly(ethylene-co-acrylic acid) and polydiorganosiloxanes
    Patent number: 10138367
    Abstract: Copolymers of poly(ethylene-co-acrylic acid) and polydiorganosiloxanes, compositions comprising the same, and articles comprising the copolymers, compositions, or both.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: November 27, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Rajdeep S. Kalgutkar, Joseph A. Severance, David S. Hays, Alexander J. Kugel, Eugene H. Carlson
  • COPOLYMERS OF POLY(ETHYLENE-CO-ACRYLIC ACID) AND POLYDIORGANOSILOXANES
    Publication number: 20170044324
    Abstract: Copolymers of poly(ethylene-co-acrylic acid) and polydiorganosiloxanes, compositions comprising the same, and articles comprising the copolymers, compositions, or both.
    Type: Application
    Filed: April 21, 2015
    Publication date: February 16, 2017
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: RAJDEEP S. KALGUTKAR, JOSEPH A. SEVERANCE, DAVID S. HAYS, ALEXANDER J. KUGEL, EUGENE H. CARLSON