Patents Represented by Attorney Scott Bardell
  • Patent number: 6258138
    Abstract: A coated abrasive article comprises a backing, a first binder on the backing, and a plurality of abrasive particles in the first binder. The first binder precursor is an energy-curable preferably, melt-processable resin containing an epoxy resin, an ethylene-vinyl acetate copolymer, and a curing agent for crosslinking the epoxy resin that is cured to provide a crosslinked make coating. The above binder precursors of the invention are preferably free of homopolymers and copolymers of olefinic monomers. In another aspect, the invention also describes an energy curable first binder precursor containing an epoxy resin, an ethylene-vinyl acetate copolymer, a polyfunctional acrylate component and a curing agent for crosslinking the epoxy resin that is cured to provide a crosslinked make coating. The invention also relates to a method of producing such coated abrasive articles and a surface-treated backing material.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: July 10, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Robert J. DeVoe, Thomas M. Clausen, Gregg D. Dahlke, Clayton A. George, Naimul Karim, Craig A. Masmar
  • Patent number: 6251002
    Abstract: Surface treating articles and methods for the manufacture of such articles are provided. The articles of the invention comprise a rotatable core; a plurality of surface treating segments, the segments having first ends adjacent the core and second ends opposite the first ends; and a cured, expanded adhesive composition bonding the surface treating segment to the core, the adhesive composition comprising (a) an organic epoxide compound having an epoxide functionality of at least 1, (b) an epoxide hardener, (c) a film-forming material, and (d) a foaming agent; wherein the expanded adhesive provides a substantially continuous bond area extending from the core into and around the first end of the segments.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: June 26, 2001
    Assignee: 3M Innovative Properties Company
    Inventor: Thomas E. Close
  • Patent number: 6252023
    Abstract: A composition comprises organoborane amine complex and 1,4-dioxo-2-butene-functional material. The composition can form a part of a polymerization initiator system that also includes a compound that is reactive with the amine portion of the complex. The system can be used to initiate polymerization of acrylic monomer and to form an acrylic adhesive that has exceptionally good adhesion to low surface energy polymers.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: June 26, 2001
    Assignee: 3M Innovative Properties Company
    Inventor: Dean M. Moren
  • Patent number: 6248846
    Abstract: A polymerizable acrylic composition comprises: (a) at least one acrylic monomer; (b) an effective amount of an organoborane amine complex having the structure: wherein: R1 is an alkyl group having 1 to 10 carbon atoms; R2 and R3 are independently selected from phenyl-containing groups and alkyl groups having 1 to 10 carbon atoms; R4 is selected from the group consisting of CH2CH2OH and (CH2)xNH2 wherein x is an integer greater than 2; R5 is hydrogen or an alkyl group having 1 to 10 carbon atoms; and the nitrogen atom to boron atom ratio is about 1:1 to 1.5:1; and (c) an effective amount of an acid for initiating polymerization of the acrylic monomer. The polymerizable acrylic compositions are especially useful for bonding low surface energy substrates.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: June 19, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Jury V. Zharov, Jury N. Krasnov
  • Patent number: 6239049
    Abstract: The present invention provides a composition for use in coated abrasives. The curable composition comprises a mixture of: i) from about 30 to about 60 weight percent of an oligomeric aminoplast resin having on average at least one pendant &agr;,&bgr;-unsaturated carbonyl group per oligomeric unit; ii) from about 70 to about 40 weight percent of a thermoplastic polyamide miscible in said aminoplast resin, the weight percents being based on the total resin content; and iii) a sufficient amount of a catalyst for the curable oligomeric aminoplast resin having on average at least one pendant &agr;,&bgr;-unsaturated carbonyl group per oligomeric unit, said catalyst being stable at a temperature of mixing of the components. The curable composition can either be in the form of a melt-processable solid or a molten mixture. The present invention also provides single and multilayered treated backing substrates used in coated abrasives.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: May 29, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Robert A. Follensbee, Michael L. Teetzel, Robert J. DeVoe, Gregg D. Dahlke
  • Patent number: 6228133
    Abstract: The present invention involves the use of powder coating methods to form coated abrasives. In one embodiment, the powder is in the form of a multiplicity of binder precursor particles comprising a radiation curable component. In other embodiments, the powder comprises at least one metal salt of a fatty acid and optionally an organic component that may be a thermoplastic macromolecule, a radiation curable component, and/or a thermally curable macromolecule. In either embodiment, the powder exists as a solid under the desired dry coating conditions, but is easily melted at relatively low temperatures and then solidified also at reasonably low processing temperatures. The principles of the present invention can be applied to form make coats, size coats, and/or supersize coats, as desired.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: May 8, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Ernest L. Thurber, Eric G. Larson, Gregg D. Dahlke, Robert J. DeVoe, Alan R. Kirk, Mark R. Meierotto, Roy Stubbs
  • Patent number: 6221454
    Abstract: A bonded optical disk comprising first and second transparent substrates bonded with a light-permeable, pressure sensitive adhesive layer and at least one information recording layer wherein the pressure sensitive adhesive layer has been formed from a pressure sensitive adhesive precursor, having a viscosity of 10 to 5000 cps and being applied onto at least one of the first substrate and the second substrate by radiation curing and has a gel fraction of not less than 50% and a storage modulus of 1.0×104 to 1.0×107 dyn/cm2 at 25° C., or in place of the pressure sensitive adhesive layer, an adhesive layer derived from a radiation curable adhesive precursor having a viscosity of 500 to 10000 cps, and the adhesive precursor is subjected to a higher pressure than an atmospheric pressure, prior to being irradiated, as well as a method and an apparatus for producing a bonded optical disk.
    Type: Grant
    Filed: November 17, 1998
    Date of Patent: April 24, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Kazuta Saito, Katsuya Takamori, Yorinobu Takamatsu
  • Patent number: 6197393
    Abstract: This invention provides a method of bonding substantially non-fluorinated polymeric material to a fluoropolymer utilizing a bonding composition comprising primary or secondary di- or poly-amine and a melt-processable, substantantially non-fluorinated component. Multi-layer articles and composite constructions, including retroreflective sheeting and fuel line hoses, made of a fluoropolymer layer and a substantially non-fluorinated layer are also provided.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: March 6, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Thomas J. Blong, Edward E. Parsonage, Keizo Yamanaka, Sehyun Nam, Constance J. Nelson
  • Patent number: 6159917
    Abstract: The invention provides dry cleaning compositions comprising hydrofluoroether, a cosolvent selected from the group consisting of glycol ethers, fluorocarbon surfactants, alkanols, and mixtures thereof, and water present in an amount of less than 1 percent by weight. In another aspect, the invention provides a method of cleaning fabric articles comprising the step of contacting an effective amount of the above dry cleaning composition with a fabric for a length of time sufficient to clean the article.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: December 12, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Jimmie R. Baran, Jr., John C. Newland
  • Patent number: 6159596
    Abstract: A self mating adhesive fastener element is described. The self mating adhesive fastener element includes a plurality of posts each having a base, an extension, and a nontacky tip. The posts are arranged to provide a self mating pattern and fastener selectivity. An adhesive layer is provided having a first surface and a second surface. The first surface provides a tacky surface between the posts. The second surface provides for adhering the self mating adhesive fastener to a substrate. Additionally disclosed are articles which incorporate the self mating adhesive fastener element and methods for manufacturing and using the self mating adhesive fastener element.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: December 12, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Clyde D. Calhoun, Jennifer M. Aamodt
  • Patent number: 6156400
    Abstract: This invention provides a method of bonding substantially non-fluorinated polymeric material to dissimilar polymers, particularly fluoropolymer materials, utilizing a bonding composition comprising base-treated amide group-containing substantially non-fluorinated polymer. Multi-layer articles and composite constructions, including retroreflective sheeting, fuel line hoses, and adhesive articles made of a fluoropolymer layer and a substantially non-fluorinated layer are also provided.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: December 5, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Sehyun Nam, Trang Pham
  • Patent number: 6155910
    Abstract: The present invention relates to a method and an article for rapidly polishing a glass workpiece surface using a structured abrasive article including cerium oxide particles dispersed in a binder. The abrasive article for rapid polishing of a glass workpiece comprising a backing and at least one polishing layer. The polishing layer comprises cerium oxide particles dispersed within a binder. The binder provides the attachment means of the at least one polishing layer to the backing. The abrasive article is capable of reducing an initial Rtm of about 0.8 .mu.m or greater on a glass test blank to a final Rtm of about 0.3 .mu.m or less in about one minute using an RPE procedure defined herein. The present invention is also directed to a method of polishing a glass workpiece using the present abrasive article.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: December 5, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Craig F. Lamphere, Chong Yong Kim, David A. Kaisaki, Heather K. Kranz, Julia P. Williams
  • Patent number: 6153302
    Abstract: A curable composition comprising a) a curable epoxy resin, a thermoplastic ethylene-vinyl acetate copolymer resin, and an effective amount of a photocatalyst for the curable epoxy resin, wherein the composition is free from hydrocarbon polyolefins and wherein the sum of a) and b) is 100 weight percent.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: November 28, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Clayton A. George, Christopher M. Meyer
  • Patent number: 6136398
    Abstract: A curable composition formed by mixing components comprising 10 to 70 weight percent of a curable epoxy resin; an effective amount of a curative for the epoxy resin; 10 to 85 weight percent of a thermoplastic ethylene-vinyl acetate copolymer; and 5 to 60 weight percent of a thermoplastic polyester resin, the parts by weight being based on the total weight of the resin in the composition.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: October 24, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Peggy S. Willett, Christopher M. Meyer, Scott R. Meyer
  • Patent number: 6136384
    Abstract: A curable composition comprising a) a curable epoxy resin, a thermoplastic ethylene-vinyl acetate copolymer resin, and an effective amount of a photocatalyst for the curable epoxy resin, wherein the composition is free from hydrocarbon polyolefins and wherein the sum of a) and b) is 100 weight percent.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: October 24, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Clayton A. George, Christopher M. Meyer
  • Patent number: 6127430
    Abstract: The invention provides a microemulsion that comprises from 0.1 to 99.0 parts by weight hydrofluoroether, from 1.0 to 99.9 parts by weight water, the sum of the parts of hydrofluoroether and water being 100 parts, and fluorinated surfactant. The microemulsions of the invention preferably contain a mixture of fluorinated surfactants and may also contain a non-fluorinated surfactant. The microemulsions of the invention may also further contain cosurfactant and/or cosolvent.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: October 3, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Jimmie R. Baran, Jr., Mark J. Pellerite
  • Patent number: 6096469
    Abstract: The ink receptor media of the invention comprise an ink receptor comprising surfactant templated mesoporous particles dispersed within an organic binder on the substrate. The ink receptor media may also have an ink fixing material within or on the ink receptor. The invention also describes surfactant templated silica particles having a narrow particle size distribution and having intraparticle pore sizes of about 1.5 to about 10 nm and methods of preparing said particles. The invention also describes a colloidal dispersion of STM particles methods of making said dispersions.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: August 1, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Mark T. Anderson, Mark F. Schulz, Tadesse G. Nigatu
  • Patent number: 6096428
    Abstract: This invention provides a method of bonding substantially non-fluorinated polymeric material to dissimilar polymers, particularly fluoropolymer materials, utilizing a bonding composition comprising substantially non-fluorinated polymeric material comprising a blend of carboxyl, anhydride, imide, or oxycarboxy functional polyolefin with a suitable organic or inorganic base and an organo-onium compound that is stable in the presence of the base. Multi-layer articles and composite constructions, including retroreflective sheeting, fuel line hoses, and adhesive articles made of a fluoropolymer layer and a substantially non-fluorinated layer are also provided.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: August 1, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Sehyun Nam
  • Patent number: 6093778
    Abstract: A composition comprises organoborane polyamine complex and polyol. The composition can form a part of a polymerization initiator system that also includes polyisocyanate. The system can be used to initiate polymerization of acrylic monomer and to form a polyurethane/polyurea acrylic adhesive that has exceptionally good adhesion to low surface energy polymers.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: July 25, 2000
    Assignee: 3M Innovative Properties Company
    Inventor: Alphonsus V. Pocius
  • Patent number: 6086997
    Abstract: The invention relates to a storage stable, fast-setting, aqueous contact adhesive composition comprising an adhesive component and boric acid. The composition can further include an amino acid, such as glycine. The composition finds particularly preferred use for bonding substrates, such as foam, in the furniture industry.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: July 11, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Vijay Patel, Daniel W. Wuerch