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:
Jun. 11, 2002
Filed:
Sep. 20, 1999
Applicant:
Inventors:
Joseph M. DeSimone, Chapel Hill, NC (US);
Saad A. Khan, Cary, NC (US);
Joseph R. Royer, Cary, NC (US);
Richard J. Spontak, Raleigh, NC (US);
Teri Anne Walker, Raleigh, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/00 ;
U.S. Cl.
CPC ...
C08J 9/00 ;
Abstract
A method of producing a foamed material comprises contacting a material with a fluid mixture comprising carbon dioxide and a surfactant, wherein the surfactant facilitates the dissolution of the carbon dioxide into the material and then foam the material in the fluid mixture.