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:
Nov. 30, 2004
Filed:
Jun. 04, 2002
Applicant:
Inventors:
Philip D. Eitzman, Lake Elmo, MN (US);
Alan D. Rousseau, Stillwater, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M 1/3127 ; D06M 1/3144 ; D06M 1/3248 ; D06M 1/3345 ; D06M 1/3402 ;
U.S. Cl.
CPC ...
D06M 1/3127 ; D06M 1/3144 ; D06M 1/3248 ; D06M 1/3345 ; D06M 1/3402 ;
Abstract
A method for imparting an electrostatic charge to a nonwoven fibrous web . The fibrous web is contacted with a liquid solution that includes water and a non-aqueous water soluble component, followed by drying . The resulting dried product is an electret article that could be used as an air filter in, for example, a respirator
Eitzman, Philip. (2004). Process of making a fibrous electret web (U.S. Patent No. 6824718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6824718
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile