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. 29, 2015
Filed:
Dec. 10, 2014
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Craig Alan Hoyme, Kingsport, TN (US);
Shane Kipley Kirk, Church Hill, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/78 (2006.01);
U.S. Cl.
CPC ...
C07C 29/78 (2013.01); C07C 2101/04 (2013.01);
Abstract
A process for isolating 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) by (a) crystallizing TMCD in a crystallization zone to generate a slurry comprising TMCD solids and (b) isolating the TMCD solids in a solid liquid separation zone to generate a wet cake and a mother liquor stream.