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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) Application No.: 00358/KOL/2004 A
(22) Date of filing of Application: 25/06/2004 (43) Publication Date: 09/06/2006
(54) Title of the invention: CATALYST HAVING A KETIMIDE LIGAND
(51) International classification : C08F 4/76
(31) Priority Document No : 2 215 444
(32) Priority Date : 15/09/1997
(33) Name of priority country : CANADA
(86) International Application No and : NA
Filing Date
:
(87) International Publication No : NA
(61) Patent of addition to Application No : NA
Filed on : NA
(62) Divisional to Application No : 1510/CAL/1998
Filed on : 24/08/1998
(71) Name of Applicant:
NOVA CHEMICALS (INTERNATIONAL) S.A.,
Address of the Applicant:
ROUTE DE LA GLANE 107, P.O.BOX 76,
CH-1752, VILLARS-SUR-GLANE 1,
SWITZERLAND.
(72) Name of the Inventor:
1. JOHN MCMEEKING
2. XIAOLIANG GAO
3. RUPERT EDWARD VON HAKEN
SPENCE
4. STEPHEN JOHN BROWN
5. DUSAN JEREMIC
Filed U/S 5(2) before The Patents (Amendment)
Act, 2005: NO
(57) Abstract:
A catalyst system for olefin polymerization comprising : a catalyst which is an organometallic complex of a group 4 metal; and an
activator characterized in that such organometallic complex contains a ketimide ligand.
(FIG.nil).
The Patent Office Journal 09/06/2006 10970