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:
Jan. 25, 2005
Filed:
Sep. 07, 2001
Applicants:
Frederick H. Martin, Racine County, WI (US);
Jose Porchia, Milwaukee County, WI (US);
Julie M. Grissmeyer, Racine County, WI (US);
Inventors:
Frederick H. Martin, Racine County, WI (US);
Jose Porchia, Milwaukee County, WI (US);
Julie M. Grissmeyer, Racine County, WI (US);
Assignee:
S. C. Johnson Home Storage, Inc., Racine, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4700 ;
U.S. Cl.
CPC ...
Abstract
A method of producing an electrically charged film includes the steps of forming a molten thermoplastic material into a web, electrically charging the web while the web is at a temperature substantially at or above a solidification temperature thereof, cooling the web below the solidification temperature thereof after charging and winding the web into individual rolls immediately following the cooling step.