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:
Apr. 17, 2018
Filed:
Oct. 27, 2008
Jie LU, Lompoc, CA (US);
Jie Lu, Lompoc, CA (US);
Imerys Filtration Minerals, Inc., San Jose, CA (US);
Abstract
Modified mineral-based fillers with enhanced retention of at least one active ingredient and/or enhanced antimicrobial capabilities are described. The materials comprise at least one mineral-based filler subjected to at least one modification process, which may be either a cationic modification process, a surface adsorption process, a surface retention process, or a combination thereof, with at least one active ingredient, followed by at least one thermal treatment. The at least one active ingredient may be a metal substance or other biocide, fungicide, mildewcide, antibiotic, insecticide, preservative, or antimicrobial agent. Methods for enhancing the antimicrobial activity of products in applications such as polymers, clothing, surgical equipment, coatings, and paints are also described.