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:
Oct. 14, 2014
Filed:
Dec. 19, 2011
Applicants:
Kenny Randolph Parker, Afton, TN (US);
Craig Alan Hoyme, Kingsport, TN (US);
Inventors:
Kenny Randolph Parker, Afton, TN (US);
Craig Alan Hoyme, Kingsport, TN (US);
Assignee:
Eastman Specialties Holdings Corporation, Kingsport, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 35/04 (2006.01); C07C 29/76 (2006.01);
U.S. Cl.
CPC ...
C07C 29/76 (2013.01); C07C 2101/04 (2013.01);
Abstract
A method for isolating 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) solids from an isolated feed slurry formed in a TMCD process comprising TMCD, a liquid phase, and impurities by (a) treating the isolated feed slurry in a product isolation zone to produce an isolated TMCD product wet cake, a mother liquor, and impurities; wherein the product isolation zone can comprise at least one rotary pressure drum filter.