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:
Jul. 26, 2022
Filed:
Sep. 21, 2020
Applicant:
Apple Inc., Cupertino, CA (US);
Inventor:
Steven Kaye, Oakland, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); C09D 169/00 (2006.01); H01M 50/20 (2021.01); H01M 50/44 (2021.01); H01M 50/431 (2021.01); H01M 50/446 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); C09D 169/00 (2013.01); H01M 50/20 (2021.01); H01M 50/431 (2021.01); H01M 50/44 (2021.01); H01M 50/446 (2021.01);
Abstract
The disclosure is directed to an apparatus comprising a substrate and a composition disposed on the substrate. The catalyst comprises a polypropylene carbonate (PPC) and a catalyst selected from the group consisting of an acid with a pKa less than or equal to 1 in water, a phase transfer catalyst, and a metal salt. The substrate and composition can be used in insulators between batteries, for example in a battery pack.