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:
Aug. 06, 2013
Filed:
Aug. 11, 2005
Roger Hennington, Houston, TX (US);
Donald H. Ridgway, Spring, TX (US);
Robert A. Grigsby, Jr., Spring, TX (US);
Robert G. Sawitski, Jr., Romulus, MI (US);
Jennifer K. Pratt, Round Rock, TX (US);
Roger Hennington, Houston, TX (US);
Donald H. Ridgway, Spring, TX (US);
Robert A. Grigsby, Jr., Spring, TX (US);
Robert G. Sawitski, Jr., Romulus, MI (US);
Jennifer K. Pratt, Round Rock, TX (US);
Huntsman Petrochemical LLC, The Woodlands, TX (US);
Abstract
The present invention provides processes for producing re-bonded polyurethane foam constructs that are useful in applications such as carpet underlayments. According to the invention, a tertiary amine is employed as a catalyst either alone, or preferably in combination with other catalysts in a binder which comprises an organic isocyanate and a polyol. Inclusion of a tertiary amine as a catalyst dramatically increases production throughput.