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:
Jun. 26, 2001
Filed:
Jun. 05, 2000
Applicant:
Inventors:
Uwe F. Winkler, Baton Rouge, LA (US);
Meng-Sheng Ao, Baton Rouge, LA (US);
Assignee:
Albemarle Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 1/700 ; C07F 7/00 ; B01J 3/100 ;
U.S. Cl.
CPC ...
C07F 1/700 ; C07F 7/00 ; B01J 3/100 ;
Abstract
Chiral metallocenes are prepared by reacting a salt of an asymmetric bis(cyclopentadienyl)-moiety-containing ligand with a tertiary heteroaromiatic amine adduct of a transition, lanthanide, or actinide metal halide in an organic solvent or diluent so as to produce said chiral metallocene.
Winkler, Uwe. (2001). Enhanced synthesis of racemic metallocenes (U.S. Patent No. 6252098). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6252098
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile