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:
Aug. 01, 2006
Filed:
Jun. 04, 1999
Applicants:
Bonnie Weiskopf Albrecht, Lake Elmo, MN (US);
Mark David Gehlsen, Eagan, MN (US);
Connie Lynn Hubbard, River Falls, WI (US);
David Loren Vall, Woodbury, MN (US);
Bryan C. Feisel, Hudson, WI (US);
Inventors:
Bonnie Weiskopf Albrecht, Lake Elmo, MN (US);
Mark David Gehlsen, Eagan, MN (US);
Connie Lynn Hubbard, River Falls, WI (US);
David Loren Vall, Woodbury, MN (US);
Bryan C. Feisel, Hudson, WI (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/26 (2006.01); B32B 7/12 (2006.01); B32B 9/00 (2006.01); B05D 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A continuous method for making porous foam and the foam articles are described. The method allows for tailoring the porosity of the foam by controlling process variables including draw rate and blowing agent concentration. A method for co-extruding the foams with other materials is also described.