1
Robert P Arens, Russell D Birkholz, Dee Lynn Johnson, Theodore P Labuza, Curtis L Larson, David J Yarusso: Time-temperature integrating indicator device. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, James J Trussell, September 16, 1997: US05667303 (106 worldwide citation)

A selectively activated time-temperature integrating device for providing a visually observable indication of cumulative thermal exposure, in which a viscoelastic material migrates into a diffusely light-reflective porous matrix at a rate which varies with temperature to progressively change the lig ...


2
G Marco Bommarito, Mieczyslaw H Mazurek, Raymond P Johnston, David J Yarusso, Curtis L Larson: Microstructured time dependent indicators. 3M Innovative Properties Company, May 25, 2004: US06741523 (45 worldwide citation)

The invention provides microstructured time dependent indicators including timers, time/temperature indicators, etc. The indicators are preferably highly accurate and easy to read. The invention also includes indicators which are game pieces, calendars, greeting cards, etc. The indicators function b ...


3
Jean Qiu, Joan M Noyola, David J Yarusso: Time-temperature integrating indicator device with barrier material. 3M Innovative Properties Company, June 12, 2001: US06244208 (41 worldwide citation)

A time-temperature indicator device provides a visually observable indication of the cumulative thermal exposure of an object. The device includes a substrate having a diffusely light-reflective porous matrix and a backing. The backing includes on its surface a viscoelastic indicator material for co ...


4
Timothy D Bredahl, Harold W Leverty, Robert L Smith, Richard E Bennett, David J Yarusso, Daniel C Munson, Anthony R Plepys: Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, James V Lilly, July 23, 1996: US05539033 (39 worldwide citation)

A solvent-free hot melt process, for preparing a non-thermosettable, pressure-sensitive adhesive from a tackified non-thermoplastic hydrocarbon elastomer. The process employs a continuous compounding device that has a sequence of alternating conveying and processing zones. The processing zones masti ...


5
Jean Qiu, Joan M Noyola, David J Yarusso, Kevin R Green: Time-temperature integrating indicator device with barrier material. 3M Innovative Properties Company, Christopher D Gram, Robert W Sprague, August 20, 2002: US06435128 (39 worldwide citation)

A time-temperature indicator device provides a visually observable indication of the cumulative thermal exposure of an object. The device includes a substrate having a diffusely light-reflective porous matrix and a backing. The backing includes on its surface a viscoelastic indicator material for co ...


6
David J Yarusso, Patrick D Hyde: Pressure-sensitive adhesive based on partially oriented and partially crystallized elastomer. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Steven E Skolnick, February 2, 1999: US05866249 (31 worldwide citation)

A pressure-sensitive adhesive comprises an elastomer having a partially oriented and partially crystallized elastomer component. Articles comprising the pressure-sensitive adhesive on a backing or substrate are also disclosed, as are methods of preparing the adhesive and the articles.


7
John R David, Jeffrey O Emslander, Danny L Fleming, Michael R Kesti, Larry A Meixner, Frank T Sher, Ronald S Steelman, David J Yarusso: Method of conforming an adherent film to a substrate by application of vacuum. 3M Innovative Properties Company, James D Christoff, March 29, 2005: US06872268 (15 worldwide citation)

Films are closely conformed to substrates by reducing the air pressure to a subatmospheric level in at least one airflow pathway that is present in the film or the substrate. The reduced air pressure enables the film to tightly contact the substrate in locations where protrusions or depressions on t ...


8
David J Yarusso, Daniel C Munson: Low voltage electron beam radiation cured elastomer-based pressure sensitive adhesive tape. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, James V Lilly, November 30, 1993: US05266400 (15 worldwide citation)

A pressure sensitive tape comprising an electron beam radiation crosslinkable pressure sensitive adhesive on a radiation-degradable backing, the adhesive having been crosslinked by exposure to electron beam radiation in a fashion such that the dosage reduction through the adhesive layer is no greate ...


9
Patrick D Hyde, Dennis L Krueger, Felix P Lau, Eumi Pyun, Robert W Shipman, Pamela S Tucker, Roy Wong, David J Yarusso: Blended pressure-sensitive adhesives. 3M Innovative Properties Company, Melanie G Gover, George W Jonas, October 7, 2003: US06630238 (14 worldwide citation)

A pressure-sensitive adhesive comprising a blend of at least two components, wherein the first component is at least one pressure-sensitive adhesive and the second component is at least one thermoplastic material, wherein the components form a blended composition having more than one domain and, whe ...


10
James J Kobe, David J Yarusso: Adhesive composition containing a block copolymer composition and polyphenylene oxide resin and products thereof. 3M Innovative Properties Company, Gary L Griswald, Lisa M McGeehan, August 21, 2001: US06277488 (14 worldwide citation)

A pressure sensitive adhesive composition comprising (a) a block copolymer composition comprising (i) a first component having a configuration of A-B, and (ii) a second component having a configuration of A-B-(B-A)