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:
May. 29, 2007
Filed:
Oct. 22, 2004
Applicants:
Giampiero Morini, Padua, IT;
Giulio Balbontin, Ferrara, IT;
Ronald R. Andrea, Ijsselstein, NL;
Van Loon Jan Dirk, Almere, NL;
Inventors:
Giampiero Morini, Padua, IT;
Giulio Balbontin, Ferrara, IT;
Ronald R. Andrea, Ijsselstein, NL;
Van Loon Jan Dirk, Almere, NL;
Assignee:
Basell Poliolefine Italia S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An internal electron-donor compound selected from the 1,3-diethers of formula (I) in which R is a C–Calkyl group, Ris a linear or branched primary alkyl radical having at least three carbon atoms, optionally containing a heteroatom, and Ris a secondary alkyl or cycloalkyl radicals different from i-propyl, optionally containing a heteroatom.