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:
Sep. 19, 2000
Filed:
Jun. 28, 1994
Applicant:
Inventors:
Michael O Okoroafor, Export, PA (US);
Alan E Wang, Hoffman Estates, IL (US);
Bulent E Yoldas, Pittsburgh, PA (US);
Assignee:
BASF Corporation, Mount Olive, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521112 ; 521 99 ; 528 48 ; 528 55 ; 528 76 ; 524588 ; 524589 ; 524860 ; 524863 ; 556450 ; 556466 ;
Abstract
Polyurethane foams prepared using polysiloxane/polyoxyalkylene surfactants, preferably blended with a viscosity modifying agent, particularly in combination with particulate silica, especially silica aerogel, exhibit improved thermal insulating capacity, as measured by K-factor, and improved closed cell content, without increasing the density of the polyurethane foam.