Minnesota Mining and Manufacturing Company

3m Innovative Properties Company

Preventamedics LLC

Smarajit Mitra

Sumita Basu Mitra

James E Garbe

Kanta Kumar

Cecil V Francis

Alexander Chieruen Tsuei

Ramesh C Kumar

Lance E Behymer

Aner Vlodaver

Benhoor Soumekh

Jerald W Hall, Jr

Steven S Kantner

Robert J Devoe

Naiyong Jing

Jerald K Rasmussen

Larry R Krepski

Steven M Heilmann

Duane Douglas Fansler

Terry R Hobbs

Daniel B Pendergrass, Jr

Valdis Mikelsons

Sharon R Garber

Adriana Paiva

Richard J Kuo

Mitchell T Johnson

Charles E Boyer, Iii

Marie Aloshyna Ep Lesuffleur

Richard W Greger

Lowell C Zeller

Melville R Sahyun

Ali Berker

Tsung-I Chen

Augustine C Liu

Timothy W King

Gerald R Hofmann

Some embodiments of a system or method for applying a barrier composition to a targeted skin surface can be used to as a preventative measure to reduce the likelihood of transmission of microbial entities from an external source (e.g., a floor surface or another surface) to the targeted skin surface.

Medical delivery devices and methods for applying a barrier composition to a targeted skin surface

A hearing protection process comprises (a) providing at least one hearing protection device comprising at least one sound barrier comprising at least one substantially periodic array of structures disposed in a first medium having a first density, the structures being made of a second medium having a second density different from the first density, wherein one of the first and second media is a viscoelastic medium having a speed of propagation of longitudinal sound wave and a speed of propagation of transverse sound wave, the speed of propagation of longitudinal sound wave being at least about 30 times the speed of propagation of transverse sound wave, and wherein the other of the first and second media is a viscoelastic or elastic medium; and (b) interposing the hearing protection device between an acoustic source and an acoustic receiver in the form of a human ear.

Hearing protection process and device

A solid cleaner for heated surfaces is disclosed. The solid cleaner includes a solidifying agent including wax, and a cleaning agent. The solid cleaner is solid at room temperature and liquid at an elevated temperature. Methods of cleaning a heated surface and cleaning articles are also disclosed.

Solid cleaners for heated food preparation surfaces

An assembly and method for cleaning a conveyor belt system is disclosed. The cleaning assembly is for removing liquids and solids from an endless conveyor belt, the assembly includes a plurality of laterally extending liquid absorbent material sheets disposed adjacent the belt, with the sheets collectively defining a contact face that is engageable with the belt for wiping liquids from the belt.

Conveyor belt cleaning system

An assembly for cleaning a conveyor belt system is disclosed. The cleaning assembly is for a conveyor belt system with the type having first and second endless belts which each traverse a separate belt travel path and together define a generally upright article transport path between opposed top faces of the belts. The cleaning assembly includes a belt wiping blade assembly for moving liquids and debris from a belt, an absorbent material downstream from the blade assembly for wiping excess liquid from the belt, and belt edge seals disposed between the opposed top faces of the belts along the article transport path.

Cosmetic compositions are provided containing vinyl-silicone graft or block copolymers of the formula

Polymers in cosmetics and personal care products

Water-based pigmented ink formulations are disclosed including a water soluble or water dispersible silicone-containing polymer additive comprising a vinyl silicone polymer. The additive significantly reduces kogation, mudcracking, and banding in some or all of the pigmented ink formulations.

Water-based pigmented inks having silicone-containing polymer

Cosmetic compositions are provided containing vinyl-silicone graft or block copolymers of the formula ##STR1##

Vinyl-silicone copolymers in cosmetics and personal care products

Vinyl-silicone polymers in cosmetics and personal care products

This invention provides synthetic routes for novel single isomers of monocarbamate diols and their polymerization to provide novel polyesters, polyurethanes, polycarbonates, and the like having pendant carbamate groups on the polymer chain. Devices using some of these novel polymers which demonstrate nonlinear optical activity are also disclosed.

Preparation of monocarbamate diols

A method for microencapsulating quaternary ammonium salts by interfacial polymerization. The polar component comprises a quaternary ammonium salt, glycerine, triethyleneglycol diamine, a C 4-10 straight or branched aliphatic compound having two primary amine functionalities, and a C 4-10 straight or branched aliphatic compound having at least three primary amine functionalities. The glycerine-immiscible oil component comprises mineral oil, an aliphatic polyisocyanate and a surfactant. The mole equivalent ratios of primary amine to isocyanate in this reaction is about 0.01-3:1. Microcapsules made by this method are unique and provide surprising benefits in durability, elasticity and barrier properties in resistance to leaching of the microcapsule fill material.

Microcapsules and methods for making same

Coated substrates comprising polymers derived from monocarbamate diols

Growing community of inventors

West St. Paul, MN, United States of America

Smarajit Mitra