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. 01, 2009
Filed:
Nov. 30, 2007
Jennifer Ellen Mccusker-orth, Kingsport, TN (US);
Jerome Leonard Stavinoha, Jr., Longview, TX (US);
Anthony Dominick Messina, Kingsport, TN (US);
Steven Thomas Perri, Kingsport, TN (US);
Zhufang Liu, Kingsport, TN (US);
Philip Conrad Heidt, Kingsport, TN (US);
Brent Alan Tennant, Kingsport, TN (US);
Jennifer Ellen McCusker-Orth, Kingsport, TN (US);
Jerome Leonard Stavinoha, Jr., Longview, TX (US);
Anthony Dominick Messina, Kingsport, TN (US);
Steven Thomas Perri, Kingsport, TN (US);
Zhufang Liu, Kingsport, TN (US);
Philip Conrad Heidt, Kingsport, TN (US);
Brent Alan Tennant, Kingsport, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
The present disclosure relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of a promoted copper-based catalyst.