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. 07, 2020
Filed:
Apr. 13, 2015
Applicant:
Dak Americas Llc, Charlotte, NC (US);
Inventor:
George F. Rollend, Charlotte, NC (US);
Assignee:
DAK AMERICAS LLC, Charlotte, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C 37/00 (2006.01); B29C 49/48 (2006.01); B29C 48/00 (2019.01); B29C 48/09 (2019.01); B29C 48/30 (2019.01); B29C 48/32 (2019.01); B29C 49/00 (2006.01); B29L 31/00 (2006.01); B29C 49/04 (2006.01); B29C 48/325 (2019.01); B29C 48/34 (2019.01);
U.S. Cl.
CPC ...
B29C 37/0053 (2013.01); B29C 48/002 (2019.02); B29C 48/0017 (2019.02); B29C 48/09 (2019.02); B29C 49/48 (2013.01); B29C 48/30 (2019.02); B29C 48/32 (2019.02); B29C 48/325 (2019.02); B29C 48/34 (2019.02); B29C 49/0005 (2013.01); B29C 49/04 (2013.01); B29C 2049/4897 (2013.01); B29L 2031/7158 (2013.01); B29L 2031/7172 (2013.01);
Abstract
A method for improving the impact resistance of an extrusion blow molded article by extrusion blow molding an ultra-high IV polymer resin having an IV of at least 0.9 dL/g, wherein the extrusion blow molding is carried out in a mold with a texturized base surface such that a base surface of the extrusion blow molded article is textured.