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. 11, 2020
Filed:
Jan. 15, 2019
Applicant:
Novomer, Inc., Boston, MA (US);
Inventors:
Jay J. Farmer, Boston, MA (US);
Peter Galebach, Madison, WI (US);
Kyle Sherry, Rochester, NY (US);
Sadesh H. Sookraj, Cambridge, MA (US);
Assignee:
Novomer, Inc., Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/60 (2006.01); C07C 67/37 (2006.01); B01J 31/00 (2006.01); C07D 305/12 (2006.01);
U.S. Cl.
CPC ...
C07D 307/60 (2013.01); B01J 31/00 (2013.01); C07C 67/37 (2013.01); C07D 305/12 (2013.01);
Abstract
Provided are processes for monitoring and maintaining continuous carbonylation of epoxides or lactones. Processes include measuring parameters affecting the rate of the carbonylation reaction and adding supplemental replacement catalyst replacement components to maintain a constant rate of carbonylation.