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:
Apr. 25, 2006
Filed:
Jan. 05, 2005
Applicant:
George G. Combs, McMurray, PA (US);
Inventor:
George G. Combs, McMurray, PA (US);
Assignee:
Bayer Antwerpen N.V., Scheldelaan, BE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides process for producing polyols using a crystalline, hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),M[M(CN)]OH.L  (I)M[M(CN)].zM(OH).L  (II)wherein Mrepresents a metal selected from Zn, Fe, Ni, Mn, Co, Sn, Pb, Fe, Mo, Mo, Al, V, V, Sr, W, W, Cuand Cr, Mrepresents a metal selected from Fe, Fe, Co, Co, Cr, Cr, Mn, Mn, Ir, Ni, Rh, Ru, Vand V, L represents an organic ligand and x, y and q are chosen to maintain electroneutrality. The polyols of the present invention may find use in the preparation of polyurethanes.