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:
Feb. 24, 2015
Filed:
Aug. 28, 2012
Applicants:
Deodatta Vinayak Shenai-khatkhate, Danvers, MA (US);
Stephen J. Manzik, Hampstead, NH (US);
Inventors:
Deodatta Vinayak Shenai-Khatkhate, Danvers, MA (US);
Stephen J. Manzik, Hampstead, NH (US);
Assignee:
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 3/02 (2006.01); C07F 17/00 (2006.01);
U.S. Cl.
CPC ...
C07F 3/02 (2013.01); C07F 17/00 (2013.01);
Abstract
Methods of purifying crude cyclopentadienyl magnesium compounds using a scavenging agent are provided. The purified cyclopentadienyl magnesium compounds have very low levels of metallic impurities.