continued from part 1 - Controller General of Patents, Designs, and ...

(12) PATENT APPLICATION PUBLICATION (21) Application No.6468/DELNP/2008 A
(19) INDIA
(22) Date of filing of Application :24/07/2008 (43) Publication Date : 24/10/2008
(54) Title of the invention : "POLYCARBOXYLIC ACID PRODUCTION SYSTEM WITH ENHANCED RESIDENCE TIME
DISTRIBUTION FOR OXIDATIVE DIGESTION"
(51) International classification :C07C 3/26 (71)Name of Applicant :
(31) Priority Document No :11/366,004 1)EASTMAN CHEMICAL COMPANY
(32) Priority Date :01/03/2006
Address of Applicant :200 SOUTH WILCOX DRIVE,
(33) Name of priority country :U.S.A.
KINGSPORT, TENNESSEE 37660, USA. U.S.A.
(86) International Application No
:PCT/US07/004058 (72)Name of Inventor :
Filing Date
:16/02/2007 1)ROBERT LIN
(87) International Publication No : WO/2007/106287 2)RUARI SEOSAMH O'MEADHRA
(61) Patent of Addition to Application
Number
Filing Date
:NA
:NA
3)ALAN GEORGE WONDERS
4)THOMAS MICHAEL PELL , JR.
(62) Divisional to Application Number :NA
Filing Date
:NA
(57) Abstract :
Disclosed is an optimized system for more efficiently and economically producing terephthalic acid. The system includes an oxidative
digestion reactor/zone configured to provide optimized residence time distribution for the solid and liquid phases of the reaction
medium processed therein.
No. of Pages : 184 No. of Claims : 47
The Patent Office Journal 24/10/2008 25922