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:
Aug. 12, 2025
Filed:
Oct. 23, 2020
Applicants:
Board of Trustees of the Leland Standford Junior University, Stanford, CA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Inventors:
Holden Wan Hong Lai, Stanford, CA (US);
Jun Myun Ahn, Stanford, CA (US);
Yan Xia, Stanford, CA (US);
Zachary P. Smith, Cambridge, MA (US);
Francesco M. Benedetti, Cambridge, MA (US);
Assignees:
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 61/12 (2006.01); B01D 53/22 (2006.01); B01D 69/02 (2006.01); B01D 71/76 (2006.01); C08G 61/02 (2006.01); C09D 165/00 (2006.01);
U.S. Cl.
CPC ...
C08G 61/122 (2013.01); B01D 69/02 (2013.01); B01D 71/76 (2013.01); C08G 61/02 (2013.01); C08G 61/12 (2013.01); C09D 165/00 (2013.01); B01D 53/228 (2013.01); B01D 2256/245 (2013.01); B01D 2257/504 (2013.01); C08G 2261/12 (2013.01); C08G 2261/1336 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/312 (2013.01); C08G 2261/3142 (2013.01); C08G 2261/3242 (2013.01); C08G 2261/3243 (2013.01); C08G 2261/3324 (2013.01); C08G 2261/334 (2013.01); C08G 2261/3424 (2013.01); C08G 2261/344 (2013.01); C08G 2261/413 (2013.01); C08G 2261/612 (2013.01);
Abstract
Disclosed herein are ladder polymers comprising fused aromatic and non-aromatic rings. Also disclosed are the manufacture and use of these ladder polymers, e.g., in separation membranes, such as membrane for gas separation.