pg_0024
The Patent Office Journal 29/12/2006
20675
(12) PATENT APPLICATION PUBLICATION
(21) Application No.00537/DELNP/2003 A
(19) INDIA
(22) Date of filing of Application :09/04/2003
(43) Publication Date : 29/12/2006
(54) Title of the invention : "LOW MOLECULAR WEIGHT ISOTACTIC POLYPROPYLENE POLYMERS, COPOLYMERS AND DERIVATIVES
AND MATERIALS PREPARED THEREWITH"
(51) International classification
:C08F 10/06
(31) Priority Document No
:60/255,035
(32) Priority Date
:12/12/2000
(33) Name of priority country
:U.S.A.
(86) International Application No
Filing Date
:PCT/US01/48725
:12/12/2001
(87) International Publication No
:WO 02/060965
(61) Patent of Addition to Application Number
Filing Date
:NA
:NA
(62) Divisional to to Application Number
Filing Date
:NA
:NA
(71)Name of Applicant :
1)BAKER HUGHES INCORPORATED
Address of Applicant :3900 ESSEX LANE, SUITE 1200, HOUSTON,
TX 77027, UNITED STATES OF AMERICA U.S.A.
(72)Name of Inventor :
1)PAUL HANNA,
2)SATYARAYANA NISTALA
3)LEON L. OTTE,
4)KENT FUDGE
5)THOMAS J. CLARK
6)DAVID D. TRUONG
7)JOHN, WOODS
(57) Abstract :
Disclosed are polypropylene homopolymers, copolymers and mono and polyftmctional polypropylene derivatives as well as methods of preparing them.
These polymers are prepared in the eresence of a metallocene catalyst and are isotactic. Applications using these polymers include but are not limited to,
electrophotography toners, melt facture reduction agents, and compatibilizers.
