Broad spectrum antimicrobial coatings comprising combinations of organosilanes

US11033031B1 · kind B1 · utility

Assignee

• Allied Bioscience, Inc. · US

Inventors

• Gavri Grossman · Plano, US
• Jie Fang · Carrollton, US
• Parham Asgari · Arlington, US
• Maha El-Sayed · Pleasanton, US
• Valerie Beck · Plano, US
• Elias Shaheen · Pleasanton, US

Key dates

• Filing date: Mar 12, 2021
• Grant date: Jun 15, 2021
• Expiry date: Mar 12, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D183/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An aqueous antimicrobial coating composition capable of forming an antimicrobial coating on a surface comprises at least two organosilanes, each of the at least two organosilanes having a structure, R—Si(OR′)3 wherein R=—(CH2)3—Y; Y=+—N(CH3)2(C18H37)X−; +—N(CH3)2(C14H29)X−; +—N(C10H21)2(CH3)X−; —Cl or —NH2; X−=halide, sulfate, nitrate, phosphate, carbonate, organic sulfonate, organic carbonate, BF4−, or ClO4−; and R′=H, methyl or ethyl, or a C3-C6 straight-chained, branched or cyclic alkyl group, with the proviso that the organosilane R—Si(OR′)3 having the C3-C6 straight-chained, branched or cyclic alkyl group hydrolyzes in the aqueous antimicrobial coating composition to R—Si(OH)3.