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:
Oct. 23, 2018
Filed:
Jul. 24, 2012
Juan Jesus Burdeniuc, Colmar, PA (US);
James Douglas Tobias, Center Valley, PA (US);
Renee JO Keller, Orwigsburg, PA (US);
Juan Jesus Burdeniuc, Colmar, PA (US);
James Douglas Tobias, Center Valley, PA (US);
Renee Jo Keller, Orwigsburg, PA (US);
Evonik Degussa GmbH, Essen, DE;
Abstract
This disclosure is directed to make low density and low amine emissions water blown polyurethane foams using a reactive catalyst composition. The method is particularly useful in the preparation of full water blown, low density polyurethane foams having a density in the range of about 6 to about 16 kg/m3. A catalyst composition comprising at least one non-emissive amine catalyst and tetraalkyl guanidine, the method of employing the catalyst composition and a formulation comprising the catalyst composition are disclosed.