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:
May. 26, 1998
Filed:
Jul. 03, 1996
Applicant:
Inventors:
Ann Coates Savoca, Bernville, PA (US);
Richard Paul Underwood, Allentown, PA (US);
Richard Van Carr, Allentown, PA (US);
James Stephen Emerick, Whitehall, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521167 ; 528 49 ; 528 53 ; 528 85 ; 521115 ; 564471 ; 564473 ; 564507 ; 564508 ;
Abstract
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition comprising a compound having the following formula I: ##STR1## where R.sup.1 is hydrogen or a linear or branched C1-C4 alkyl or a C1-C4 hydroxyalkyl group;