Steven Scott Kirckof

6485978, Nov 26, 2002

Aug 5, 1999

09/368744

Steven S. Kirckof - Woodbury MN
Phillip A. Bolea - White Bear Lake MN

3M Innovative Properties Company - St. Paul MN

G01N 3100

436 1, 436164, 436166, 436169, 422 58

A sterilization indicator having sterilizing agent sensitive indicia is described. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish between color, quality or intensity of display patterns.

6485979, Nov 26, 2002

Aug 5, 1999

09/369098

Roland C. Kippenhan - Woodbury MN
Steven S. Kirckof - Woodbury MN
Phillip A. Bolea - White Bear Lake MN
Richard M. Rumble - Marietta GA

3M Innovative Properties Company - St. Paul MN

G01N 3100

436 1, 436 11, 436 28, 436164, 436166, 436169, 422 58, 422 61

A electronic system for tracking and monitoring articles to be subjected to a sterilization cycle is disclosed. The method uses a sterilization indicator and electronically links sterilization information with the articles subjected to the sterilization process. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish between color, quality or intensity of display patterns.

6488890, Dec 3, 2002

Aug 5, 1999

09/368742

Steven S. Kirckof - Woodbury MN

3M Innovative Properties Company - St. Paul MN

G01N 3300

422 56, 422 58, 422 61, 436 1, 436164, 436166, 436169

A sterilization indicator having sterilizing agent sensitive indicia is described. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish between color, quality or intensity of display patterns.

8492162, Jul 23, 2013

Feb 19, 2010

12/708849

Roland C. Kippenhan - Woodbury MN, US
Steven S. Kirckof - Woodbury MN, US
Philip A. Bolea - Grant MN, US
Richard M. Rumble - Mentor OH, US
Rodney K. Hehenberger - Apple Valley MN, US
Ramon T. Ignacio - Hillsborough NJ, US

3M Innovative Properties Company - St. Paul MN

G01N 31/00

436164, 436 1, 436 28, 436166, 422 8205, 422 8207, 422 8208

An electronic system for tracking and monitoring articles to be subjected to a sterilization cycle is disclosed. The method uses a sterilization indicator and electronically links sterilization information with the articles subjected to the sterilization process. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish between color, quality or intensity of display patterns.

20030170901, Sep 11, 2003

Nov 25, 2002

10/303465

Roland Kippenhan - Woodbury MN, US
Steven Kirckof - Woodbury MN, US
Philip Bolea - Grant MN, US
Richard Rumble - Mentor OH, US
Rodney Hehenberger - Apple Valley MN, US
Ramon Ignacio - Hillsborough NJ, US

3M Innovative Properties Company

C12Q001/22
A61L002/08

436/001000, 422/026000, 422/119000, 435/031000

A electronic system for tracking and monitoring articles to be subjected to a sterilization cycle is disclosed. The method uses a sterilization indicator and electronically links sterilization information with the articles subjected to the sterilization process. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish between color, quality or intensity of display patterns.

20060240563, Oct 26, 2006

Jun 22, 2006

11/472671

Roland Kippenhan - Woodbury MN, US
Steven Kirckof - Woodbury MN, US
Philip Bolea - Grant MN, US
Richard Rumble - Mentor OH, US
Rodney Hehenberger - Apple Valley MN, US
Ramon Ignacio - Hillsborough NJ, US

G01N 33/50
G01N 33/00

436100000

An electronic system for tracking and monitoring articles to be subjected to a sterilization cycle is disclosed. The method uses a sterilization indicator and electronically links sterilization information with the articles subjected to the sterilization process. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish between color, quality or intensity of display patterns.

20110064606, Mar 17, 2011

May 5, 2009

12/991023

William E. Foltz - Cottage Grove MN, US
Steven S. Kirckof - Woodbury MN, US
Lawrence D. Fosler - Gottage Grove MN, US
Joshua M. Schmitz - Flemington NJ, US
Chad M. Herrlein - Woodbury MN, US

A61L 2/16
A61L 2/00

422 3, 422119, 422105

A sterilization process challenge device comprising a solid body comprised of walls which define a space, wherein the space can fully contain a sterilization indicator and a volume of gas of at least 5 cubic centimeters and not more than 1000 cubic centimeters; a flow restrictor associated with the solid body such that any flow of the gas out of the space and any flow of a sterilant into the space is restricted; wherein the sterilization indicator indicates whether or not it has been contacted by the sterilant for a time and at a temperature sufficient to sterilize an article; and wherein the walls of the solid body are impervious to the sterilant and have a thickness of at least 0.3 centimeter, methods of using the device and a kit including the device are disclosed.

20110275159, Nov 10, 2011

Dec 30, 2009

13/142752

Kevin D. Landgrebe - Woodbury MN, US
David M. Read - White Bear Lake MN, US
Steven S. Kirckof - Woodbury MN, US

3M INNOVATIVE PROPERTIES COMPANY - St. Paul MN

G01N 21/78
B32B 33/00
B32B 29/00

436 1, 4285377

A chemical indicator composition comprising a bismuth (III) compound selected from the group consisting of bismuth (III) oxide and a bismuth (III) compound comprising at least one organic group which includes 2 to 20 carbon atoms; elemental sulfur; and a compound which makes the composition alkaline when exposed to water vapor at an elevated temperature; a chemical indicator composition comprising a bismuth (III) compound; elemental sulfur; a compound which makes the composition alkaline when exposed to water vapor at an elevated temperature; and at least one acid other than any acid present in the bismuth (III) compound; a chemical indicator comprising a substrate and the composition coated on at least a portion of a major surface of the substrate; methods of making the chemical indicator; and methods of using the chemical indicator are disclosed.