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:
Feb. 08, 2005
Filed:
Sep. 25, 2002
Jerald W. Darlington, Jr., Marengo, IL (US);
Natali A. Dotlich, Buffalo Grove, IL (US);
Craig M. Mattern, West Chicago, IL (US);
Richard Wilson Carriker, Woodstock, GA (US);
Mark William Clarey, Chatsworth, GA (US);
Jerald W. Darlington, Jr., Marengo, IL (US);
Natali A. Dotlich, Buffalo Grove, IL (US);
Craig M. Mattern, West Chicago, IL (US);
Richard Wilson Carriker, Woodstock, GA (US);
Mark William Clarey, Chatsworth, GA (US);
Amcol International Corporation, Arlington Heights, IL (US);
Abstract
In accordance with the method of manufacture described herein, it has been found that by applying a polymerization catalyst or polymerization initiator directly to a liquid-absorbent or liquid adsorbent (hereinafter collectively referred to as 'liquid-sorbent') substrate, preferably a porous geotextile in sheet material form, to form a polymerization-initiating substrate or sheet material, a monomer that is subsequently embedded in the liquid-sorbent substrate will be completely contacted by the polymerization catalyst or polymerization initiator for complete polymerization of the embedded monomer to form embedded polymer solids, without the monomer partially polymerizing before contacting the substrate. It has been found that complete polymerization of the monomer while in contact with the substrate achieves best results in retention of embedded and interlocked polymer solids. Preferably only the polymerization catalyst or polymerization initiator, and optionally a cross-linker for the monomer, is applied to the porous substrate prior to embedding the monomer into the substrate. In another embodiment, the cross-linker is embedded into the substrate together with the polymerization catalyst and/or polymerization initiator.