| US 7,482,301 B2 | ||
| Titanium substituted pyridyl amine complexes, catalysts and processes for polymerizing ethylene and styrene | ||
| Thomas R. Boussie, Menlo Park, Calif. (US); Gary M. Diamond, San Jose, Calif. (US); Christopher Goh, North Adams, Mass. (US); Anne M. LaPointe, Sunnyvale, Calif. (US); Margarete K. Leclerc, Santa Clara, Calif. (US); and Cheryl Lund, Milpitas, Calif. (US) | ||
| Assigned to Symyx Technologies, Inc., | ||
| Filed on Dec. 19, 2006, as Appl. No. 11/642,290. | ||
| Application 11/642290 is a division of application No. 11/081355, filed on Mar. 16, 2005, granted, now 7,157,400. | ||
| Application 11/081355 is a division of application No. 10/287129, filed on Nov. 04, 2002, granted, now 7,122,689. | ||
| Claims priority of provisional application 60/332880, filed on Nov. 06, 2001. | ||
| Prior Publication US 2007/0100145 A1, May 03, 2007 | ||
| Int. Cl. B01J 31/02 (2006.01); B01J 31/18 (2006.01); C08F 4/64 (2006.01) | ||
| U.S. Cl. 502—167 [502/103; 502/152; 502/155] | 7 Claims |
| 1. A composition comprising:
(1) a ligand characterized by the following general formula:
 wherein R1 is selected from the group consisting of alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, heteroalkyl, substituted
heteroalkyl, heterocycloalkyl, substituted hetercycloalkyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl;
R2, R3, R4, R5, R6, and R7 are independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl,
heteroalkyl, substituted heteroalkyl, heterocycloalkyl, substituted hetercycloalkyl, aryl, substituted aryl, heteroaryl, substituted
heteroaryl, alkoxyl, aryloxyl, silyl, boryl, phosphino, amino, thio, seleno, nitro, and combinations thereof;
(2) a metal precursor compound characterized by the general formula Ti(L)n where each L is independently selected from the group consisting of halide, alkyl, substituted alkyl, cycloalkyl, substituted
cycloalkyl, heteroalkyl, substituted heteroalkyl heterocycloalkyl, substituted heterocycloalkyl, aryl, substituted aryl, heteroaryl,
substituted heteroaryl, alkoxy, aryloxy, hydroxy, boryl, silyl, amino, amine, hydrido, allyl, diene, seleno, phosphino, phosphine,
ether, thioether, carboxylates, thio, 1,3-dionates, oxalates, carbonates, nitrates, sulphates, ethers, thioethers and combinations
thereof; optionally two or more L groups are combined in a ring structure having from 3 to 50 non-hydrogen atoms; n is 1,
2, 3, 4, 5, or 6; and
(3) optionally, at least one activator.
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