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.

Date of Patent:
Feb. 27, 2006

Filed:

Oct. 02, 2000
Applicants:

Michael E. Reedy, Keyport, NJ (US);

Edward W. Rider, Jr., Slate Hill, NY (US);

Inventors:

Michael E. Reedy, Keyport, NJ (US);

Edward W. Rider, Jr., Slate Hill, NY (US);

Assignees:

Reedy International Corporation, Keyport, NJ (US);

Genpak Corporation, Glen Falls, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/20 (2005.12);
U.S. Cl.
CPC ...
Abstract

There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of a masterbatch mix comprising a styrenic polymer, a rubbery block copolymer, and a solid blowing agent. Also disclosed are alkenyl aromatic foams produced by the process which exhibit increased densities, increased thermoforming capabilities, increased post-expansion properties, and increased retainment of the atmospheric and organic gases.


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