Patents by Inventor Donald J. Gromacki

Donald J. Gromacki 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).

  • Window envelopes with scratch resistant window film patches
    Patent number: 8187685
    Abstract: The invention includes a composition comprising from 40 to 98 weight percent of at least one GPPS, from 0 to 98 weight percent of at least one HIPS, from 0.5 to 10 weight percent at least one styrene block copolymer, from 0.5 to 10 weight percent of at least one polypropylene wherein the combination of GPPS, HIPS, polypropylene and styrene block copolymer make up at least about 90 percent of the composition as well as a film made of the composition, an envelope window patch comprising the film, an envelope comprising the window patch, and a process for making the film.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: May 29, 2012
    Assignee: Dow Chemical Technologies LLC
    Inventors: Nichole E. Nickel, Eric K. Lee, Stephen J. Skapik, III, Donald J. Gromacki, Robert A. Gunther, James P. Maher
  • WINDOW ENVELOPES WITH SCRATCH RESISTANT WINDOW FILM PATCHES
    Publication number: 20110042448
    Abstract: The invention includes a composition comprising from at least 40 to 98 weight percent of at least one GPPS, from 0 to 98 weight percent of at least one HIPS, from at least 0.5 to 10 weight percent at least one styrene block copolymer, from at least 0.5 to 10 weight percent of at least one polypropylene wherein the combination of GPPS, HIPS, polypropylene and styrene block copolymer make up at least about 90 percent of the composition as well as a film made of the composition, an envelope window patch comprising the film, an envelope comprising the window patch, and a process for making the film.
    Type: Application
    Filed: July 23, 2007
    Publication date: February 24, 2011
    Inventors: Nichole E. Nickel, Eric K. Lee, Stephen J. Skapik, III, Donald J. Gromacki, Robert A. Gunther, James P. Maher