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. 12, 2020
Filed:
Aug. 30, 2017
Applicant:
Dsm Ip Assets B.v., Heerlen, NL;
Inventors:
Assignee:
DSM IP ASSETS B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/02 (2006.01); C08F 10/02 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C08F 110/02 (2013.01); C08F 10/02 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 2420/03 (2013.01); C08F 2420/04 (2013.01);
Abstract
Particulate ultra high molecular weight polyethylene (pUHMWPE) are disclosed having an intrinsic viscosity (IV) of at least 4 dl/g, a molecular weight distribution M/Mof less than 4.0, a median particle size D50 of between 50 and 200 μm, a residual Ti-content of less than 10 ppm, a residual Si-content of less than 50 ppm, and a total ash content of less than 1000 ppm.