3m Innovative Properties Company

3m Espe Ag

Other

3m Deutschland Gmbh

Michael S Wendland

Babu Nana Gaddam

Joel D Oxman

Kevin Michael Lewandowski

Duane Douglas Fansler

Steven M Heilmann

Neal A Rakow

Michael C Palazzotto

Stefan H Gryska

Larry R Krepski

Ahmed Salih Abuelyaman

Stephen B Roscoe

Todd D Jones

Moses Mekala David

Mark F Schulz

Maureen Ann Kavanagh

George W Griesgraber

Sumita Basu Mitra

Wayne Scott Mahoney

Sheng Ye

Jonathan D Zook

Robert T Fitzsimons, Jr

Thomas Klettke

Prabhakara Satyauolu Rao

Andrew R Fox

Michael R Berrigan

David K Cinader, Jr

Hassan Sahouani

Joseph D Rule

Bradley Dene Craig

Werner M A Grootaert

Jun-Ying Zhang

Douglas Eugene Weiss

Reinhold Hecht

Afshin Falsafi

Michael W Kobe

Mary I Buckett

John E Trend

Kathleen S Shafer

Richard J Poirier

Dora M Paolucci

Himanshu Jasuja

Steven M Aasen

Susan E DeMoss

Thomas Luchterhandt

Brian A Shukla

Hendrik M Grupp

Nelson B O'Bryan

Guenther Lechner

Victoria A Russell

Derek M Maanum

Miriam Hansen

Austin D Groth

Myungchan Kang

James P Mathers

Jonathan H Alexander

Richard C Webb

Kelvin J Witcher

Michelle M Mok

Markus Watermann

Justin Tungjunyatham

Brett A Beiermann

Seungkyu Lee

Matthew A Rankin

Nicole D Petkovich

Günther Lechner

David K Cinader

Susan E Demoss

Werner MA Grootaert

Nelson B O'BRYAN

Provided are acoustic articles, and related methods, that include a porous layer and heterogeneous filler received in the porous layer. The heterogeneous filler can include clay, diatomaceous earth, graphite, glass bubbles, polymeric filler, non-layered silicate, plant-based filler, or a combination thereof, and can have a median particle size of from 1 micrometer to 1000 micrometers and a specific surface area of from 0.1 m/g to 800 m/g. The acoustic article can have an overall flow resistance of from 100 MKS Rayls to 8000 MKS Rayls. The acoustic articles can serve as acoustic absorbers, vibration dampers, and/or acoustic and thermal insulators.

Acoustic articles and methods thereof

An ethylene oxide sterilization sensor, and method of use, wherein the sensor includes: a heat-shrinkable film; an acid-functional porous sorbent in thermal contact with the heat-shrinkable film; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5, wherein the acid is impregnated in or covalently attached to the porous sorbent.

Ethylene oxide sterilization sensor including acid-functional sorbent and method of use

Composite granules that include metal-containing polymeric materials, and composite granules that include metal complex-containing polymeric materials are provided. The polymeric materials are divinylbenzene/maleic anhydride polymers, partially hydrolyzed divinylbenzene/maleic anhydride polymers, or fully hydrolyzed divinylbenzene/maleic anhydride polymers. Additionally, methods of using the composite granules that include metal-containing polymeric materials to capture volatile, basic nitrogen-containing compounds and methods of using composite granules that include zinc-containing polymeric material to detect the presence of water vapor are provided.

Composite granules including metal-containing polymeric materials

A sorbent suitable for sorbing aldehydes includes acidified zeolite impregnated with a urea-based compound, the acidified zeolite having a pore opening of 5 &#x212b; or greater and a molar ratio of silicate to aluminate of at least 1.1:1. The sorbent may be prepared by impregnating acidified zeolite with a solution of a urea-based compound, where the acidified zeolite includes proton counterions. The sorbent may be supported on a filter support to provide an air filter.

Urea-impregnated zeolite sorbents and method for making the same

An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent particles are the reaction product of a hydrolyzed divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound, with the nitrogen-containing compound being ionically attached to the hydrolyzed divinylbenzene/maleic anhydride.

Air filters comprising polymeric sorbents for aldehydes

Polymeric sorbents for carbon dioxide are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The nitrogen-containing compound is covalently attached to the polymeric sorbents. Additionally, methods of sorbing carbon dioxide on the polymeric sorbents and compositions resulting from sorbing carbon dioxide on the polymeric sorbents are provided. The polymeric sorbents typically are porous and can selectively remove carbon dioxide from other gases such as methane or hydrogen.

Polymeric sorbents for carbon dioxide

An air filter including a filter support that supports porous, polymeric sorbent particles that comprise a divalent metal impregnated therein.

Air filters comprising metal-containing polymeric sorbents

Composite granules that contain a binder and a polymeric sorbent material for capturing aldehydes such as formaldehyde are provided. Additionally, methods of making the composite granules, methods of using the composite granules to capture aldehydes, and compositions formed by reacting the composite granules with aldehydes are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. Aldehydes can react with the nitrogen-containing groups.

Composite granules including polymeric sorbent for aldehydes

Composite granules that contain a binder and polymeric sorbent materials for capturing reactive gases are provided. Additionally, methods of making the composite granules and methods of using the composite granules to capture reactive gases, and compositions formed by exposing the composite granules to reactive gases are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. The reactive gases undergo an acid-base reaction with the nitrogen-containing groups.

Composite granules including polymeric sorbent for reactive gases

An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent is the reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The air filter may be used for capturing e.g. reactive gases.

Air filters comprising polymeric sorbents for reactive gases

A compound represented by formula: and a treated filler having the compound on at least a portion of its surface. R is hydrogen or alkyl. X is alkylene, arylalkylene, or alkylarylene, each optionally interrupted by at least one of an ether, thioether, amine, amide, ester, thioester, carbonate, thiocarbonate, carbamate, thiocarbamate, urea, or thiourea, with alkylene optionally interrupted by arylene. W is hydroxyl, a sulfonic acid group, a phosphonic acid group, carboxylic acid group, &#x2014;NHR, epoxy, or &#x2014;Si(Y)(Z). Y is alkyl, aryl, arylalkylenyl, or alkylarylenyl. Z is halide, hydroxyl, alkoxy, aryloxy, acyloxy, polyalkyleneoxy, &#x2014;O&#x2014; covalently bonded to the surface of the filler, or &#x2014;O bonded to another silicon atom, and x is 0 or 1. A composition including the treated filler, a method of making the treated filler, and a method of determining the degree of cure of a curable polymeric resin are also disclosed.

Dye, filler made therefrom, compositions including the filler, and method of determining degree of cure of such compositions

Polymeric sorbents for reactive gases are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The polymeric sorbent has nitrogen-containing groups that are covalently attached to the polymeric sorbent. The nitrogen-containing groups include a primary amino group, a secondary amino group, a tertiary amino group, or a combination thereof. Additionally, methods of sorbing reactive gases on the polymeric sorbents and compositions resulting from the sorption of reactive gases on the polymeric sorbents are provided.

Polymeric sorbents for reactive gases

An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent is the reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound.

Polymeric sorbents for aldehydes including formaldehyde are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The nitrogen-containing compound is covalently attached to the resulting polymeric sorbent. Additionally, methods of sorbing aldehydes (i.e., aldehydes that are volatile under use conditions) on the polymeric sorbents and compositions resulting from the sorption of aldehydes on the polymeric sorbents are provided. The polymeric sorbents typically are porous with the pores often being in the size range of mesopores and/or micropores.

Polymeric sorbents for aldehydes

A curable composition having a polythiol; at least one unsaturated compound comprising more than one carbon-carbon double bond, carbon-carbon triple bond, or a combination thereof; and a dye compound represented by formula (I). A crosslinked composition prepared from the curable composition, a method of making an at least partially crosslinked network, a method for indicating curing in a curable composition, and a method of stabilizing a curable composition comprising a polythiol and at least one unsaturated compound comprising more than one carbon-carbon double bond, carbon-carbon triple bond, or a combination thereof are also disclosed. Z is not reactive with the polythiol or unsaturated compound. 

Compositions including a polythiol, an unsaturated compound, and a dye and methods relating to such compositions

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North St. Paul, MN, United States of America

Michael S Wendland