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:
Jul. 13, 1999
Filed:
Jan. 21, 1998
Harvey L Weaver, Wilmington, DE (US);
Donald Mark Cyron, New London Township, PA (US);
DCV, Inc., Wilmington, DE (US);
Abstract
A water-soluble, biodegradable filter medium for removing entrained solid and/or liquid particles from an air stream, and a method of use thereof are disclosed. The filter medium is a solid solution of starch and a biodegradable, water-soluble synthetic polymer. After use, the filter medium is disposed of in an environmentally sound fashion. In particular, the filter medium is dissolved in water and the solid and/or liquid particles collected thereon are removed from the resulting aqueous solution of starch and polymer by decantation and the polymer and starch biodegraded using a conventional biological water treatment process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile