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:
May. 16, 2006
Filed:
Jul. 02, 2002
Applicants:
Y. Paul Handa, Pittsford, NY (US);
Jiayan Gu, Farmington, NY (US);
Inventors:
Y. Paul Handa, Pittsford, NY (US);
Jiayan Gu, Farmington, NY (US);
Assignee:
Pactiv Corporation, Lake Forest, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/12 (2006.01); C08J 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blowing agent blend for making polyolefin foams comprising isopentane and at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent having a boiling point less than 28° C., or a chemical co-blowing agent, or combinations thereof. The blowing agent blend comprises less than about 99 mol % isopentane.