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:
Jul. 02, 2013
Filed:
Oct. 04, 2010
James J. O'brien, Midland, MI (US);
Timothy O. Kirch, Midland, MI (US);
Kevin L. Nichols, Freeland, MI (US);
Brett M. Birchmeier, Midland, MI (US);
James J. O'Brien, Midland, MI (US);
Timothy O. Kirch, Midland, MI (US);
Kevin L. Nichols, Freeland, MI (US);
Brett M. Birchmeier, Midland, MI (US);
Eovations, LLC, Bay City, MI (US);
Abstract
Prepare an oriented polymer composition that is cavitated, has cross sectional dimensions all at least three millimeters and at least one de-oriented surface layer having a thickness of at least 80 microns and at least 50 microns less than half the thickness of the oriented polymer composition, the de-oriented surface layer having a lower degree of polymer orientation than a 100 micron thick portion of the oriented polymer composition adjacent to and below the de-oriented surface layer by sufficiently heat treating a surface of a cavitated oriented polymer composition.