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

(12) PATENT APPLICATION PUBLICATION (21) Application No.6627/DELNP/2008 A
(19) INDIA
(22) Date of filing of Application :30/07/2008 (43) Publication Date : 24/10/2008
(54) Title of the invention : "PROCESS FOR PRODUCING LOWER OLEFINS"
(51) International classification :C10G 51/06 (71)Name of Applicant :
(31) Priority Document No :60/786,956
1)SHELL INTERNATIONAL RESEARCH
(32) Priority Date :29/03/2006 MAATSCHAPPIJ B.V.
(33) Name of priority country :U.S.A.
Address of Applicant :CAREL VAN BYLANDTLAAN 30,
(86) International Application No :PCT/US2007/064602 2596 HR THE NETHERLANDS. Netherlands
Filing Date
:22/03/2007 (72)Name of Inventor :
(87) International Publication No :WO 2007/117920 1)BAUMGARTNER ARTHUR JAMES
(61) Patent of Addition to Application
Number
Filing Date
:NA
:NA
2)NGAN DANNY YUK-KWAN
(62) Divisional to Application Number :NA
Filing Date
:NA
(57) Abstract :
A process for making lower olefins from a heavy hydrocarbon feed by use of a combination of thermal cracking and vapor-liquid
separation, and, then, pyrolytically cracking the light fraction of the thermally-cracked heavy hydrocarbon feed to thereby produce a
lower olefin product.
No. of Pages : 40 No. of Claims : 21
The Patent Office Journal 24/10/2008 26116