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:
Mar. 28, 2017
Filed:
May. 12, 2014
Applicant:
Univation Technologies, Llc, Houston, TX (US);
Inventors:
C. Jeff Harlan, Houston, TX (US);
Steven D. Brown, League City, TX (US);
Assignee:
Univation Technologies, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); C08F 4/60 (2006.01); C07D 315/00 (2006.01); C07C 41/00 (2006.01); C07C 41/18 (2006.01); C07D 309/30 (2006.01); C07B 51/00 (2006.01); C07C 41/01 (2006.01); C07D 309/12 (2006.01); C08F 210/02 (2006.01);
U.S. Cl.
CPC ...
C07C 41/18 (2013.01); C07B 51/00 (2013.01); C07C 41/01 (2013.01); C07D 309/12 (2013.01); C07D 309/30 (2013.01); C08F 210/02 (2013.01);
Abstract
A method for protecting a phenol group on a precursor compound is provided. The method includes reacting the phenol group with dihydropyran in an acid catalyzed protection reaction and quenching the protection reaction with a strong base within less than about 60 seconds to form a protected precursor compound.