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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.:

US 5508314 B1

PDFFull Text
Date of Patent:
Apr. 16, 1996

Filed:

Feb. 18, 1994

Hydroxyl group-containing blowing catalyst compositions for the

Applicant:
Inventors:

Mark L Listemann, Whitehall, PA (US);

Kevin R Lassila, Allentown, PA (US);

Kristen E Minnich, Allentown, PA (US);

Ann C Savoca, Bernville, PA (US);

Assignee:

Air Products and Chemicals, Inc., Allentown, PA (US);

Attorneys:

Leach; Michael

Marsh; William F.

Primary Examiner:

James J Seidleck

Assistant Examiner:

John M Cooney, Jr

Int. Cl.
CPC ...
C08J / ; C08G / ;
U.S. Cl.
CPC ...
521115 ; 521116 ; 521118 ; 521129 ; 521155 ; 521170 ;
Abstract

A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, cell stabilizer and a catalyst composition consisting essentially of at least one of the permethylated mono- and dialkylene oxide adducts of tris(2-aminoethyl)amine of structures I, II and III, or any combination thereof ##STR1## wherein R is hydrogen, a C.sub.1 -C.sub.4 alkyl, C.sub.6 -C.sub.8 aryl, or C.sub.7 -C.sub.9 aralkyl group.

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Listemann, Mark. (1996). Hydroxyl group-containing blowing catalyst compositions for the (U.S. Patent No. 5508314). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5508314

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