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 7169875 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 30, 2007

Filed:

May. 28, 2002
Applicant:

Bruno Frederic Stengel, Stockton on Tees, GB;

Inventor:

Bruno Frederic Stengel, Stockton on Tees, GB;

Assignee:

Johnson Matthey PLC, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A composition suitable for use as a catalyst for the reaction of an isocyanate compound or prepolymer thereof with an alcohol to form a polyurethane comprises a mixture of (a)an organometallic compound selected from: (i) a compound of formula M(RO), where M is titanium, zirconium, hafnium, aluminium, cobalt or iron or a mixture of these metals and OR is the residue of an alcohol ROH in which R comprises an (optionally substituted) Ccyclic, branched or linear, alkyl, alkenyl, aryl or alkyl-aryl group or a mixture thereof, or; (ii) a complex of titanium, zirconium and/or hafnium and an acetoacetate ester and (b) a coordinating compound selected from a ketone, aldhehyde, carboxylic acid, sulphonic acid, nitride or an imine. An isocyanate composition containing a catalyst of the claimed composition is also described.


Find Patent Forward Citations

Stengel, Bruno. (2007). Organometallic compositions (U.S. Patent No. 7169875). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7169875

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