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. 11, 2006
Filed:
Dec. 10, 2003
Applicants:
William R. Raymond, New Tripoli, PA (US);
Juan Jesus Burdeniuc, Macungie, PA (US);
Khalil Yacoub, Allentown, PA (US);
Inventors:
William R. Raymond, New Tripoli, PA (US);
Juan Jesus Burdeniuc, Macungie, PA (US);
Khalil Yacoub, Allentown, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 215/08 (2006.01); C07C 215/10 (2006.01); C07C 215/12 (2006.01); C07C 215/14 (2006.01); C07C 215/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to novel tertiary alkanolamines useful as catalysts for preparing polyurethane foams and as additives to reduce the dynamic surface tension of aqueous solutions. The tertiary alkanolamines may be represented by formula (I):wherein A, R–R, and n are defined herein, and where the tertiary alkanolamine is acid-blocked with a carboxylic acid.