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:
Apr. 07, 2026
Filed:
Sep. 01, 2022
Applicant:
Johns Manville, Denver, CO (US);
Inventors:
Lichih R Peng, Littleton, CO (US);
Jordan Kortmeyer, Parker, CO (US);
Changqing Shen, Centennial, CO (US);
Lance Wang, Parker, CO (US);
Jawed Asrar, Englewood, CO (US);
Assignee:
Johns Manville, Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/08 (2025.01); C08L 23/0807 (2025.01);
U.S. Cl.
CPC ...
C08L 23/0815 (2013.01); C08L 2205/03 (2013.01);
Abstract
Provided is a polymer blend composition comprising linear low density polyethylene, a polypropylene polymer, generally comprising a random polypropylene copolymer, and a compatibilizer. In one embodiment, there is provided a polymer blend composition comprising 15 to 35 wt % of a polypropylene polymer, 30-60 wt % of a linear low density polyethylene, and a compatibilizer polymer composition comprising 21-50 wt % of the polymer blend. The polymer blend is quite useful in a roofing membrane.