The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2008
Filed:
Jun. 25, 2004
Matthew G. Thorn, Bartlesville, OK (US);
Michael D. Jensen, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Qing Yang, Bartlesville, OK (US);
James L. Smith, Bartlesville, OK (US);
Matthew G. Thorn, Bartlesville, OK (US);
Michael D. Jensen, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Qing Yang, Bartlesville, OK (US);
James L. Smith, Bartlesville, OK (US);
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Abstract
The present invention provides a method of making fulvenes, particularly 6-aryl-6-alkylfulvenes, 6-aryl-6-alkenylfulvenes, and related compounds, by combining alkyl- or alkenyl-arylketones with magnesium cyclopentadienyl reagents in nonprotic, including ethereal, solvents. The use of these compounds in preparing bis(cyclopentadienyl)methanes and related compounds, and ansa-metallocenes, is disclosed.