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:
Nov. 08, 2011
Filed:
Jul. 16, 2009
Applicants:
Alex Sergey Ionkin, Kennett Square, PA (US);
Brian M. Fish, Wilmington, DE (US);
William J. Marshall, Wilmington, DE (US);
Inventors:
Alex Sergey Ionkin, Kennett Square, PA (US);
Brian M. Fish, Wilmington, DE (US);
William J. Marshall, Wilmington, DE (US);
Assignee:
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/24 (2006.01); C07F 7/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes for making ivalent germanium and tin compounds are provided. The divalent germanium and tin compounds have been found to be efficient catalysts for the formation of polyurethanes.