The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 2012
Filed:
Jul. 23, 2007
Nichole E. Nickel, Midland, MI (US);
Eric K. Lee, Midland, MI (US);
Stephen J. Skapik, Iii, Columbus, OH (US);
Donald J. Gromacki, Midland, MI (US);
Robert A. Gunther, Auburn, MI (US);
James P. Maher, Freeland, MI (US);
Nichole E. Nickel, Midland, MI (US);
Eric K. Lee, Midland, MI (US);
Stephen J. Skapik, III, Columbus, OH (US);
Donald J. Gromacki, Midland, MI (US);
Robert A. Gunther, Auburn, MI (US);
James P. Maher, Freeland, MI (US);
Dow Chemical Technologies LLC, Midland, MI (US);
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.