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. 30, 1992
Filed:
Apr. 05, 1991
Applicant:
Inventors:
Wolfgang Hoelderich, 6710 Frankenthal, DE;
Jochen Houben, 6520 Worms, DE;
Gerhard Wolf, 6800 Mannheim, DE;
Michael G Kinnaird, Durham, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568616 ; 568618 ; 568620 ; 568619 ; 568 45 ; 568 46 ; 568606 ; 568608 ; 568619 ; 568617 ; 568675 ; 568678 ; 554 64 ; 554149 ; 554227 ; 560209 ; 560240 ; 536120 ; 564475 ; 564505 ;
Abstract
Alkoxylates of active hydrogen compounds having a peaked molecular weight distribution are prepared by reacting the active hydrogen compound with an alkylene oxide of from 2 to 4 carbon atoms using iron oxides as alkoxylation catalysts.