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:
Mar. 24, 2020
Filed:
Oct. 30, 2015
Sabic Global Technologies B.v., Bergen op Zoom, NL;
William E. Hollar, Jr., Mt. Vernon, IN (US);
Robert Russell Gallucci, Mt. Vernon, IN (US);
Franklin Ehrensbeck, Evansville, IN (US);
Todd M. Loehr, Evansville, IN (US);
Shankar Kollengodu Subramanian, Mt. Vernon, IN (US);
Christopher Luke Hein, Evansville, IN (US);
Qiying Jiang, Evansville, IN (US);
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
Process for manufacturing a densified polymer powder comprising compressing a polymer feed that has a bulk density of less than or equal to 240 kg/m in a roll compactor comprising at least two compaction rolls to obtain a densified polymer material, wherein a gap between the two rolls is 0.5 to 10 mm, wherein the compaction rolls operate at a speed of 3 to 30 rpm, wherein an applied pressure of the roll compactor is 0.5 to 5 MPa, and milling the densified polymer material to obtain a densified polymer powder, wherein a bulk density of the densified polymer powder is greater than or equal to 250 kg/m3.