Substituted indenyl unbridged metallocenes

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

556 9, 556 12, 556 52, 556 53, 556 96, 502103, 502117, 526127, 526160, 526943, C07F 700, C07F 728, C07F 1700, C08F 444

Patent

active

057806594

ABSTRACT:
Unbridged metallocenes of titanium, zirconium and hafnium having an unsubstituted cyclopentadienyl radical and an indenyl radical having in at least one of the 1, 2, or 3 positions a substitutent selected from hydrocarbon radicals and trialkylsilyl radicals, and their use in the polymerization of olefins.

REFERENCES:
patent: 5049535 (1991-09-01), Resconi et al.
patent: 5084534 (1992-01-01), Welborn, Jr. et al.
patent: 5126303 (1992-06-01), Resconi et al.
patent: 5223467 (1993-06-01), Razavi
patent: 5225092 (1993-07-01), Emert et al.
patent: 5304622 (1994-04-01), Ikai et al.
patent: 5331054 (1994-07-01), Fujita et al.
patent: 5498581 (1996-03-01), Welch et al.
patent: 5543373 (1996-08-01), Winter et al.
patent: 5594080 (1997-01-01), Waymouth et al.
patent: 5646322 (1997-07-01), Van Beek et al.
Chemical Abstracts, vol. 125, No. 20, Nov. 11, 1996, abstract 248570z.
Polymer Preparation (Am. Chem. Soc., Div. Polymer Chem.) 1996, 37(c) p. 475, "Ligand Effects in Propylene and Ethylene Polymerization With 2-Acrylindene Zirconocene Catalysts.", R. L. Kravchenko et al.
E. Samuel et al., J. Am. Chem. Soc., vol. 95, No. 19, pp. 6263-6267, Sep. 1973.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Substituted indenyl unbridged metallocenes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Substituted indenyl unbridged metallocenes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substituted indenyl unbridged metallocenes will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1883214

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.