3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

Schlumberger Technology Corporation

3m Innovative Properties

Schlumberger Canada Limited

Michael D Crandall

Ignatius A Kadoma

Yong K Wu

James G Carlson

Anthony P Manzara

Yvan A Bogaert

Terrence E Cooprider

William Ward Merrill

Ramesh C Kumar

Mahfuza B Ali

Michael R Berrigan

Dean Michael Willberg

Werner M A Grootaert

Eugene G Joseph

Kanta Kumar

Jacob D Young

Jeffrey P Kalish

Michael R Kesti

Sonja S Mackey

Robert L Nelson

Elizabeth E Johnson

Adam R Wohl

Aron Y Goodner

Rudolf J Dams

Ying-Yuh Lu

Gregg D Dahlke

Steven S Kantner

David J Kinning

Clayton Allen George

James D Carlson

Jay M Jennen

Craig E Hamer

Werner M Grootaert

Taun L McKenzie

Robert D Waid

Joshua R Wurst

Peter M Olofson

Richard J Goetz

James E Garbe

Mark S Vogel

Allen L Griggs

Daniel J Zillig

Ibrahim S Gunes

Megan P Lehmann

Andrew Satrijo

Kim K Tsujimoto

Siegmund Papp

Robert E Eggers

Sasha B Myers

Andrew J Peterson

Clara E Mata

Michelle M Hewitt

Robert D Koppes

Mary S Ramos

Theresa M Watschke

Werner MA Grootaert

Compositions and films are described comprising a polylactic (PLA) polymer and a copolymer comprising a first moiety comprising a C12-C30 alkyl group and a second moiety that is miscible in the composition. Suitable first moieties include a C12-C30 alkyl (meth)acrylate or a polyvinyl alcohol comprising pendent C12-C30 alkyl groups. Suitable second moieties include C1-C10 (meth)acrylic acid or ester thereof, vinyl acetate and ethylene vinyl acetate. The aforementioned composition may be used to form a release layer of an adhesive article such as a pressure sensitive adhesive tape. The films may be a monolithic film or a film layer of a multilayer film. The release layer may be disposed upon a substrate layer that may also comprise PLA. The films are produced by melt extrusion of the aforementioned composition and may be oriented.

Composition and films comprising polylactic acid polymer and copolymer comprising long chain alkyl moiety

An article comprising hollow ceramic microspheres and multi-component fibers is disclosed. The multi-component fibers are adhered together, and the hollow ceramic microspheres are adhered to external surfaces of the multi-component fibers. A method of making the article and use of the article for insulation are also disclosed.

Article including multi-component fibers and hollow ceramic microspheres and methods of making and using the same

A method of making an adhesive article is described comprising melt extruding a core film layer comprising a composition comprising at least 50% of a polylactic acid polymer. The method further comprises melt extruding an adhesive layer on a major surface of the core film layer such that regions of interdiffusion are present between the core film layer and adhesive layer. The adhesive layer may comprise C1-C10 (meth)acrylic acid or ester thereof, vinyl acetate, ethylene vinyl acetate, hydrolysed polyvinyl alcohol and combinations thereof. The adhesive layer may also be a pressure sensitive adhesive. The method further comprises melt extruding a release film layer on an opposing major surface of the core film layer. The layers are sequentially extruded or co-extruded and can be uniaxially or biaxially oriented. Articles comprising a core film layer comprising a composition comprising at least 50% of a polylactic acid polymer and an adhesive layer disposed on a major surface of the core layer are also described.

Adhesive articles comprising polylactic acid polymer film and method of making

An adhesive article for masking a portion of a substrate surface from a liquid coating applied to the surface includes a support having first and second opposed major surfaces, and a cationic or zwitterionic adhesive composition disposed on at least a portion of at least one of the first and second opposed major surfaces. The adhesive composition provides a barrier that impedes the migration of the coating past the edge of the adhesive article.

Adhesive composition and masking article for producing precise paint lines

Sized short alumina-based inorganic oxide fiber comprises, based on the total weight of the sized short alumina-based inorganic oxide fiber: from 0.1 to 15 percent by weight of a size resin comprising a polyamide; and from 85 to 99.9 percent by weight of short alumina-based inorganic oxide fiber. Methods of making the sized short alumina-based inorganic oxide fiber and compositions comprising the sized short alumina-based inorganic oxide fiber in a polymeric matrix are also disclosed.

Sized short alumina-based inorganic oxide fiber, method of making, and composition including the same

Fibers comprising a first thermoplastic composition having a softening temperature up to 120&#xb0; C and a curable resin. Also disclosed are compositions comprising a plurality of fibers, with some of the fibers comprising a first thermoplastic composition having a softening temperature up to 120&#xb0; C and some of the fibers comprising a curable resin. The fibers have an aspect ratio of at least 2:1 and a maximum cross-sectional dimension up to 60 micrometers. Fluid compositions containing the fibers and methods of contacting a subterranean formation using the fibers are also disclosed.

Curable fiber

There is provided a controlled degradation fiber and methods of making such controlled degradation fiber, wherein at least one first material and at least one second material are selected such that the fiber has a weight loss of greater than 6 wt. % and less than 60 wt. % based on the total weight of the fiber after one week at 130&#xb0; C. in the presence of water.

Controlled degradation fibers

A method of making a pressure-sensitive hot melt adhesive. The method includes extruding a melt composition that includes a polymer, wherein the polymer has acidic groups covalently attached thereto, and a metal salt hydrate, wherein the metal salt hydrate has a melting point that is less than the maximum processing temperature.

Method of making a hot melt pressure-sensitive adhesive

A plurality of solid particles including a thermoplastic composition having a softening temperature in a range from 50&#xb0; C. to 180&#xb0; C. and a blocked isocyanate resin; optionally at least some of the particles in the plurality of solid particles comprise both the thermoplastic composition and the blocked isocyanate resin. A composition comprising the plurality of particles dispersed in a fluid is also disclosed. A method of modifying a wellbore within a geological formation is also disclosed. The method includes introducing the fluid composition into the wellbore. A method of making a plurality of particles, for example, to use in the fluid composition, is also disclosed.

Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same

Described herein is a mixture comprising: a non-self-crosslinking polymer; and a modifying compound comprising at least two different functional groups. The first functional group of the modifying compound is capable of reacting with the non-self-crosslinking polymer and the second functional group is capable of crosslinking with a curing agent. Also, described are compositions, curable polymeric compositions, articles using such curable polymeric compositions, and methods of making cured polymeric compositions.

Polymeric compositions and method of making and articles thereof

Described herein are substantially linear copolymeric compositions having at least two azide groups and at least two non-activated acetylene groups. The azide groups and the non-activated acetylene groups are reacted to cure the substantially linear copolymer composition. Also, described are methods of making and using such substantially linear copolymeric compositions.

Compositions comprising a proppant core having an outer surface and polymeric microspheres attached to at least a portion of the outer surface are described. The compositions are useful, for example, to increase the productivity of a hydrocarbon oil or gas bearing well.

Proppants and uses thereof

Fiber aggregate comprising organic polymeric fibers, wherein the organic polymeric fibers have an average length in a range from 2 to 20 millimeters, an average diameter up to 100 micrometer, and comprise at least 75 percent by solid volume of the fiber aggregate, wherein the fiber aggregate has an unrestrained bulk density of at least 0.05 g/cm, and wherein at least 85% by volume of the fiber aggregate disassociates to provide dispersed fibers. The fiber aggregates are useful, for example, for flowback control in wellbores and reservoirs.

Fiber aggregate

Growing community of inventors

North Oaks, MN, United States of America

Michael D Crandall