Process for preparing a methylene-bridged biscyclopentadienyl compound
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 2001
Issued Date -
N/A
app pub date -
Jun 23, 1999
filing date -
Sep 16, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a process for preparing a methylene-bridged biscyclopentadienyl compound having the formula I ##STR1## where L are, independently of one another, identical or different and are each a cyclopentadienyl group, by reacting one or two cyclopentadienyl compounds LH with formaldehyde in monomeric, oligomeric or polymeric form or formaldehyde-generating reagents in the presence of at least one base and at least one phase transfer catalyst.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully