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, 2026
Filed:
Jun. 22, 2020
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventor:
Olaf Henschke, Horgen, CH;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/205 (2006.01); C08K 5/42 (2006.01);
U.S. Cl.
CPC ...
C08J 3/2056 (2013.01); C08K 5/42 (2013.01); C08J 2323/06 (2013.01); C08J 2323/12 (2013.01);
Abstract
The present disclosure provides a process. The process includes (i) providing a post-consumer recycled polypropylene (PCR-PP) having a melt flow rate (MFR I) equal to, or greater than, 7.0 g/10 min; (ii) adding a 4,4'-oxydibenzenesulfonyl azide (DPO-BSA) to the PCR-PP; (iii) melt blending the PCR-PP with the DPO-BSA; and (iv) forming a DPO-BSA coupled PCR-PP having a melt flow rate (MFR I) equal to, or less than, 5 g/10 min.