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:
Sep. 27, 2022
Filed:
Nov. 25, 2019
Applicant:
The University of North Dakota, Grand Forks, ND (US);
Inventors:
Qianli Chu, Grand Forks, ND (US);
Zhihan Wang, Grand Forks, ND (US);
Assignee:
University of North Dakota, Grand Forks, ND (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/353 (2006.01);
U.S. Cl.
CPC ...
C07C 51/353 (2013.01);
Abstract
A method of making cyclobutane-1,2-diacid building blocks includes using trans-cinnamic acid in its beta form (head to head packing) and photodimerizing the trans-cinnamic acid to create cis-cyclobutane-1,2-dicarboxylic acid (CBDA-4).