Patents by Inventor Joon Chatterjee

Joon Chatterjee 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).

  • IONICALLY CROSSLINKABLE POLY(ISOBUTYLENE) ADHESIVE POLYMERS
    Publication number: 20120122359
    Abstract: Adhesive (co)polymers of this disclosure comprise: a) an isobutylene copolymer having pendent succinate groups and optionally a tackifier. The pendent succinic acid groups ionically crosslinks the isobutylene copolymer by hydrogen boding with adjacent pendent succinic acid groups.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 17, 2012
    Inventors: Hae-Seung Lee, Joon Chatterjee, Gregg A. Caldwell, Babu N. Gaddam
  • UV CURABLE ANHYDRIDE-MODIFIED POLY(ISOUTYLENE)
    Publication number: 20120123011
    Abstract: An adhesive (co)polymers comprising: a) an isobutylene copolymer having pendent anhydride groups, b) a polyamine photobase generator and c) optionally a tackifier is described.
    Type: Application
    Filed: October 25, 2011
    Publication date: May 17, 2012
    Inventors: Hae-Seung Lee, Joon Chatterjee, Gregg A. Caldwell, Babu N. Gaddam
  • SOUND BARRIER FOR AUDIBLE ACOUSTIC FREQUENCY MANAGEMENT
    Publication number: 20120090916
    Abstract: A sound barrier comprises a substantially periodic array of structures disposed in a first medium having a first density, the structures being made of a second medium having a second density different from the first density, wherein one of the first and second media is a porous medium other than a porous metal, the porous medium having a porosity of at least about 0.02, and wherein the other of the first and second media is a viscoelastic or elastic medium.
    Type: Application
    Filed: June 22, 2010
    Publication date: April 19, 2012
    Inventors: Ali Berker, Joon Chatterjee, Richard W. Greger, Marie Aloshyna ep Lesuffleur, Sanat Mohanty
  • RADIATION CURABLE POLY(ISOBUTYLENE) ADHESIVE COPOLYMERS
    Publication number: 20120082847
    Abstract: The disclose provides pressure-sensitive adhesives and adhesive sealants prepared from modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom.
    Type: Application
    Filed: June 27, 2011
    Publication date: April 5, 2012
    Inventors: Hae-Seung Lee, Guy D. Joly, Joon Chatterjee, Marie Aloshyna ep Lesuffleur, Jay M. Jennen, Jingjing Ma, Gregg A. Caldwell, Babu N. Gaddam, Larry R. Krepski