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:
Jun. 26, 2012
Filed:
Aug. 24, 2010
Jeffrey C. Haley, Cincinnati, OH (US);
Robert L. Sherman, Jr., Blue Ash, OH (US);
Jeffrey C. Haley, Cincinnati, OH (US);
Robert L. Sherman, Jr., Blue Ash, OH (US);
Equistar Chemicals, LP, Houston, TX (US);
Abstract
A polyethylene composition comprising 0.01% to 1% by weight of at least one platelet-shaped nano boehmite nucleator, wherein the platelet-shaped nano boehmite nucleator comprises at least 70% by weight of AlOand has a crystallite size of at least 5 nm, and the polyethylene composition comprises a density greater than 0.94 g/cm, a melt index (MI) ranging from equal to or greater than 0.3 g/10 min. up to equal to or less than 3 g/10 min., and a peak crystallization temperature (T) value determined according to ASTM D 3418, with an annealing temperature of 160° C. and a cooling rate of 10° C./min., that corresponds to formula (I):≦(*density)−73.5° C.  (I)where A is 200 cm-° C./g, Tis in units of ° C., and density is in units of g/cm.