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:
Feb. 22, 2011
Filed:
Mar. 21, 2006
Applicant:
Armando Luisi, Varese, IT;
Inventor:
Armando Luisi, Varese, IT;
Assignee:
Whirlpool Corporation, Benton Harbor, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/48 (2006.01); C08G 18/00 (2006.01); C08J 9/00 (2006.01); C08J 9/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the production of expanded polymeric materials; in particular for producing thermally insulating materials used in refrigerators. The method comprising the steps of providing a mixture of reagents based on isocyanate and polyol with the addition of expandable polystyrene-based microspheres, in which method the ratio by weight between the reagents and the expandable microspheres is between, about 7:1 and about 1:2.