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. 11, 2010
Filed:
May. 05, 2004
William J. Michie, Jr., Missour City, TX (US);
Anthony C. Neubauer, Piscataway, NJ (US);
Brad A. Cobler, Lake Jackson, TX (US);
Carl F. Baker, Lake Jackson, TX (US);
William J. Michie, Jr., Missour City, TX (US);
Anthony C. Neubauer, Piscataway, NJ (US);
Brad A. Cobler, Lake Jackson, TX (US);
Carl F. Baker, Lake Jackson, TX (US);
Dow Global Technologies Inc, Midland, MI (US);
Abstract
The present invention is a multimodal polyethylene composition having (1) a density of at least about 0.940 g/cm; (2) a melt flow index (I) of from about 0.2 to about 1.5 g/10 mm; (3) a melt flow index ratio (I/I) of from about 20 to about 50; (4) a molecular weight distribution, Mw/Mn, of from about 20 to about 40; and (5) a bubble stability measured on an HS50S stationary extrusion system with an BF 10-25 die, HK 300 air ring, A8 take off, and WS8 surface winder, with a 100 mm die diameter having a 50 mm 21:1 L/D grooved feed extruder used for a film of about 6×10m thickness of at least about 1.22 m/s line speed, at least about 45 kg/hr (0.013 kg/sec) output rate, or at least about 0.5 lb/hr/rpm (0.0000011 kg/s/rps) specific output rate or a combination thereof.