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:
Feb. 03, 2026
Filed:
Mar. 29, 2023
Applicant:
Johns Manville, Denver, CO (US);
Inventors:
Diego Pedrazzoli, Littleton, CO (US);
Lichih R Peng, Littleton, 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 23/06 (2006.01); E04D 5/06 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
C08L 23/06 (2013.01); E04D 5/06 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/265 (2013.01); C08L 2205/02 (2013.01); C08L 2207/066 (2013.01);
Abstract
Provided is a roofing membrane composition comprising metallocene-catalyzed alpha-olefin polyethylene and a random polypropylene copolymer. The polymer blend is quite useful in a roofing membrane which exhibits excellent performance. The excellent performance is particularly evident in the mechanical properties and thermal properties of the roofing membrane.